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IGI certified natural diamond 0.51carat Fancy Brown Yellow VS1
Located in bangkok, TH
yellow clarity: VS1 Cutting: very good Certification: IGI Treatment : No
Category

2010s Loose Gemstones

Materials

Multi-gemstone, Tourmaline, Tsavorite

IGI certified natural Diamond sterling silver bracelet with Yellow Gold plating
Located in Delhi, DL
polki diamond Diamond color: White Diamond Certificate- IGI Certified Metal: Silver Metal Purity
Category

2010s Indian Art Nouveau Modern Bracelets

Materials

Diamond, Sterling Silver

5.80 TCW Round and Princess Cut Diamond Link Bracelet in White Gold, IGI Cert
Located in Miami, FL
Bracelet Width: 0.25 inches Total Item Weight: 22.94 grams Material: 18k White Gold Certification: IGI
Category

21st Century and Contemporary Link Bracelets

Materials

Diamond, 18k Gold, White Gold

IGI certified natural Diamond sterling silver bracelet with Yellow Gold plating
Located in Delhi, DL
polki diamond Diamond color: White with tint of yellow Diamond Certificate- IGI Certified Metal: Silver
Category

2010s Indian Art Nouveau Modern Bracelets

Materials

Diamond, Sterling Silver, Gold Plate

Leo Diamond Engagement Ring Round 1.57 Carat I VS2 in 14 Karat Gold IGI Report
By The Leo Diamond
Located in San Diego, CA
Certificate: IGI #3229506U Metal: 14K Yellow Gold Size: 5.5 - sizable Total Carat Weight: 1.57 CTS
Category

2010s Solitaire Rings

Materials

Diamond, 14k Gold, Yellow Gold, Gold

Beauvince Antique Engagement Ring 6.20 Carat Oval KVVS2 IGI Diamond in Platinum
By Beauvince Jewelry
Located in New York, NY
Clarity: VVS2 Certificate: IGI S2F35672 Side Diamonds Shapes: Round Side Diamonds Weight: 0.38 ct
Category

2010s Solitaire Rings

Materials

Diamond, Platinum

Chrysoberyl Cats Eyes 0.97cts Natural Cabochon IGI Certified
Located in Chicago, IL
Certification: IGI Gemstone Type: Chrysoberyl Gemstone Form: Polished Cut Grade: Very Good Gemstone Creation
Category

2010s Indian More Jewelry

Materials

Chrysoberyl

Chrysoberyl 2.15ct Chrysoberyl Cut Stone IGI Certified Natural Stone
Located in Chicago, IL
of Manufacture: India Gemstone Shape: Oval Certification: IGI Gemstone Type: Chrysoberyl Gemstone
Category

2010s Indian More Jewelry

Materials

Chrysoberyl

Chrysoberyl Cut Stone IGI Certified Natural Chrysoberyl Octagon Shape
Located in Chicago, IL
Gemstone Shape: Octagon Cat's Eye: No Gemstone Creation: Natural Certification: IGI Lot: No Brand
Category

2010s Indian More Jewelry

Materials

Chrysoberyl

Certified natural uncut Diamonds shiny sterling silver hinged bracelet
Located in Delhi, DL
Diamond- 4.80cts Diamond type: uncut polki diamond Diamond color: White Diamond Certificate- IGI
Category

2010s Indian Art Nouveau Modern Bracelets

Materials

Diamond, Blue Sapphire, Sterling Silver

Chrysoberyl Cats Eyes 1.18ct Natural Cabochon IGI Certified
Located in Chicago, IL
original tags attached. Country/Region of Manufacture: India Gemstone Shape: Cabochon Certification: IGI
Category

2010s Indian More Jewelry

Materials

Chrysoberyl

Purple Garnet 1.90 cts AAA+ Color Mozambique origin rhodolite Garnet.
Located in Chicago, IL
Purple Garnet 1.90 cts AAA+ Color Origin Mozambique Family rhodolite garnet Certification: IGI
Category

2010s Mozambican Aesthetic Movement Loose Gemstones

Materials

Garnet, Rhodolite

Diamond, 1.06 Carat Natural Starcut Diamond
Located in AMSTELVEEN, NH
brilliant cut Weight: 1.06 carat Color: G Purity: VVS2 Certificate: IGI Certificate number: 564346916
Category

2010s Loose Gemstones

Materials

Diamond

Chrysoberyl Stone Color Change Effect 3.10ct Natural IGI Certified
Located in Chicago, IL
original tags attached. Country/Region of Manufacture: India Gemstone Shape: Oval Certification: IGI
Category

2010s Indian More Jewelry

Materials

Chrysoberyl

Chrysoberyl Cats Eye Natural Cabochon IGI Certified Stone
Located in Chicago, IL
Certification: IGI Gemstone Type: Chrysoberyl Gemstone Form: Polished Cut Grade: Very Good Gemstone Effect
Category

2010s Indian More Jewelry

Materials

Chrysoberyl

Certified natural uncut Diamonds blue sapphire oxidized sterling silver bracelet
Located in Delhi, DL
Diamond- 3.20cts Diamond type: uncut polki diamond Diamond color: White Diamond Certificate- IGI
Category

2010s Indian Art Nouveau Modern Bracelets

Materials

Diamond, Blue Sapphire, Sterling Silver

Chrysoberyl Stone 2.05 Cts Chrysoberyl Cut Stone Natural IGI Certified
Located in Chicago, IL
original tags attached. Country/Region of Manufacture: India Gemstone Shape: Oval Certification: IGI
Category

2010s Indian More Jewelry

Materials

Chrysoberyl

Certified natural uncut Diamonds white enamel sterling silver designer bracelet
Located in Delhi, DL
Certificate- IGI Certified Metal: Silver Metal Purity: Sterling Silver or 92.5% Pure Metal color- oxidized
Category

2010s Indian Art Nouveau Modern Bracelets

Materials

Diamond, Sterling Silver, Enamel

IGI 1.53 ct D VVS2 NO FLUO 18 Ct White Gold Solitarie Ring Certificate
Located in Bergamo, BG
splendor, supported by a band of White Gold that further enhances its brilliance. The IGI certificate
Category

21st Century and Contemporary Italian Cocktail Rings

Materials

Diamond, White Diamond, 18k Gold, White Gold

Mozambique Ruby Cut Stone 0.93cts 100% Natural IGI Certified
Located in Chicago, IL
Total Carat Weight (TCW): 0.93 Color: Red Certification: IGI Depth: 2.35mm Gemstone Clarity Grade
Category

2010s Indian More Jewelry

Materials

Ruby

Certified natural uncut rose cut Diamonds yellow gold plated silver bracelet
Located in Delhi, DL
Certificate- IGI Certified Metal: Silver Metal Purity: Sterling Silver or 92.5% Pure Metal color- oxidized
Category

2010s Indian Art Nouveau Modern Bracelets

Materials

Diamond, Sterling Silver, Yellow Gold, Silver, Gold Plate

Certified 5.70 carat natural uncut Diamonds sterling silver Gold plated bracelet
Located in Delhi, DL
Certificate- IGI Certified Metal: Silver Metal Purity: Sterling Silver or 92.5% Pure Metal color- oxidized
Category

2010s Indian Art Nouveau Modern Bracelets

Materials

Diamond, Gold Plate, Sterling Silver

Certified natural 8.60 carat uncut Diamond sterling silver Gold plated bracelet
Located in Delhi, DL
Certificate- IGI Certified Metal: Silver Metal Purity: Sterling Silver or 92.5% Pure Metal color- oxidized
Category

2010s Indian Art Nouveau Modern Bracelets

Materials

Diamond, Gold Plate, Sterling Silver

Diamond Wedding Band 14K Solid Gold Unisex wedding Ring Valentines Gift
Located in Chicago, IL
And Above Base Metal Gold Material Natural Diamond, 14K Solid Gold Main Stone Diamond Certification
Category

2010s Indian Art Deco Engagement Rings

Materials

Diamond, Gold, 14k Gold

14K Solid Gold Diamond Round Earring For Women Yellow gold Stylish Earing.
Located in Chicago, IL
stone shape Round Certification IGI
Category

2010s Indian Art Deco More Earrings

Materials

Diamond, Gold, 14k Gold

Certified natural rose cut Diamonds ruby yellow gold plated silver bracelet
Located in Delhi, DL
Certificate- IGI Certified Metal: Silver Metal Purity: Sterling Silver or 92.5% Pure Metal color- oxidized
Category

2010s Indian Art Nouveau Tennis Bracelets

Materials

Diamond, Ruby, Gold Plate, Yellow Gold, Silver, Sterling Silver

Mozambique Natural Purplish Red Ruby 1.03ct Cut Stone 100% IGI Certified
Located in Chicago, IL
) Natural/Lab-CreatedNatural Certification: IGI Total Carat Weight (TCW): 1.03 Gemstone Clarity Grade
Category

2010s Indian More Jewelry

Materials

Ruby

14k Solid Gold Dainty Twist Open Diamond Statement Ring Minimalist Delicate Ring
Located in Chicago, IL
Diamond Certification IGI Metal Purity 14k
Category

2010s Indian Art Deco Engagement Rings

Materials

Diamond, Gold, 14k Gold

14 Karat White Gold 2.08 Carat Diamond Stud Earrings
Located in Scottsdale, AZ
Certification: IGI 151503031 Diamond 2: 1.06ct Color: G Clarity: SI2 Dimensions: earrings measure 7.35mm in
Category

21st Century and Contemporary Stud Earrings

Materials

Diamond, 14k Gold, White Gold

Certified 15.3 carat natural uncut Diamonds sterling silver Gold plated bracelet
Located in Delhi, DL
Diamond color: White with tint of yellow Diamond Certificate- IGI Certified Metal: Silver Metal Purity
Category

2010s Indian Art Nouveau Tennis Bracelets

Materials

Diamond, Gold Plate, Sterling Silver

Diamond Stacking Ring 14K Solid Gold Graduation Gift For Girls diamond ring gift
Located in Chicago, IL
Yellow Gold Setting Style Prong Certification IGI Color Gold Metal Purity 14k
Category

2010s Indian Art Deco Engagement Rings

Materials

Diamond, Gold, 14k Gold

Diamond Bar Ring 14K Solid Gold Diamond Band Ring For Women Valentine Gift
Located in Chicago, IL
0.24 Cts And Above Certification IGI, 14K Hallmarked Band Width 1.8 mm Approx.
Category

2010s Indian Art Deco Band Rings

Materials

Diamond, Gold, 14k Gold

Pair of natural Diamond emerald sterling silver hinge bracelet Yellow Gold plate
Located in Delhi, DL
polki diamond Diamond color: White with tint of yellow Diamond Certificate- IGI Certified Metal: Silver
Category

2010s Indian Art Nouveau Modern Bracelets

Materials

Diamond, Emerald, Gold Plate, Sterling Silver

Natural Diamond Delicate Ring 14K Solid Gold Handmade Fine Engagement Ring.
Located in Chicago, IL
Gold, Natural Diamond Total Carat Weight 0.24 Cts And Above Certification IGI, 14K Hallmarked Metal
Category

2010s Indian Art Deco Engagement Rings

Materials

Diamond, Gold, 14k Gold

0.56 Carat Diamond Solitaire Engagement Ring
Located in London, GB
, Clarity: VVS2 Tested As: 18ct White Gold Box: The Vintage Jeweller Gift Box Certificate: IGI - D1D13558
Category

21st Century and Contemporary Solitaire Rings

Materials

Diamond, Gold, White Gold

Diamond Heart Ring 14K Solid Gold heart Stacking ring For Women Valentines Gift
Located in Chicago, IL
Stone Shape Heart Main Stone Diamond Metal Yellow Gold Certification IGI Color Gold Metal Purity 14k
Category

2010s Indian Art Deco Engagement Rings

Materials

Diamond, Gold, 14k Gold

New Eternity Band Ring 14K Solid Gold Certified Diamond Engagement Ring Gift.
Located in Chicago, IL
14K Solid Gold, Natural Diamond Total Carat Weight 0.24 Cts And Above Certification IGI, 14K
Category

2010s Indian Art Deco Band Rings

Materials

Diamond, Gold, 14k Gold

Leo Diamond Solitaire Engagement Ring Round Cut 1.64 CTS I SI1 14K White Gold
By The Leo Diamond
Located in San Diego, CA
Certificate: IGI # 7019337U Metal: 14KT White Gold Size: 6.75 - Sizable Total Carat Weight: 1.64 CTS
Category

Early 2000s American Engagement Rings

Materials

Diamond, 14k Gold, White Gold

Leo Round Diamond 1.01 Carat Solitaire Ring Platinum and 18 Karat White Gold
By The Leo Diamond
Located in San Diego, CA
Leo Diamond Engagement Ring Style: 4 - Prong Solitaire Certification: IGI 7092060A Metal: 18kt
Category

Early 2000s Solitaire Rings

Materials

Diamond, 18k Gold, White Gold, Platinum

Beauvince Diva Pear Shape 3 Stone Engagement Ring (6.64 ct IVS2 IGI Diamond)
By Beauvince Jewelry
Located in New York, NY
Diamond Shape: Pear Center Diamond Weight: 6.64 Center Diamond Color: I Diamond Clarity: VS2 Certificate
Category

2010s Engagement Rings

Materials

Diamond, White Diamond, Platinum

Leo Diamond Solitaire Engagement Ring Round 0.99 Carat H SI1 14 Karat White Gold
By The Leo Diamond
Located in San Diego, CA
Certificate: IGI # 7091359A Metal: 14KT White Gold Size: 6 - Sizable Total Carat Weight: 0.99 CTS Diamond
Category

2010s American Engagement Rings

Materials

Diamond, 14k Gold, White Gold

Leo Diamond Round Brilliant Solitaire Engagement Ring 1.00 CTS H SI1 14K W G
By The Leo Diamond
Located in San Diego, CA
Certificate: IGI # 3140367U Metal: 14KT White Gold Size: 5.0 - Sizable Total Carat Weight: 1.00 CTS
Category

Early 2000s American Engagement Rings

Materials

Diamond, 14k Gold, White Gold

Diamond Cat Stud Earrings 14K Solid Gold Women Earrings Christmas Gift.
Located in Chicago, IL
Weight 0.24 Cts Approxd Above Certification IGI, 14K Hallmarked Metal Purity 14k
Category

2010s Indian Art Deco More Earrings

Materials

Diamond, Gold, 14k Gold

Safety Pin Shape Ring Band 14k Solid Gold Diamond Designer Ring Birthday Gift.
Located in Chicago, IL
Carat Weight 0.24 & Under Certification IGI Metal Purity 14k
Category

2010s Indian Art Deco Band Rings

Materials

Diamond, Gold, 14k Gold

Leo Round Diamond Solitaire Engagement Ring 0.67 Carat I SI1 14 Karat White Gold
By The Leo Diamond
Located in San Diego, CA
Certificate: IGI # 33378743 Metal: 14K White Gold Size: 5 - Sizable Total Carat Weight: 0.67 CTS Diamond
Category

Early 2000s American Engagement Rings

Materials

Diamond, 14k Gold, White Gold

Leo Diamond Solitaire Engagement Ring Round Cut 1.05 CTS H SI1 14K White Gold
By The Leo Diamond
Located in San Diego, CA
Certificate: IGI # 32766888 Metal: 14KT White Gold Size: 5.0 - Sizable Total Carat Weight: 1.05 CTS
Category

Early 2000s American Engagement Rings

Materials

Diamond, 14k Gold, White Gold

Leo Diamond Solitaire Engagement Ring Round Cut 0.99 CTS H VS2 14K Yellow Gold
By The Leo Diamond
Located in San Diego, CA
Certificate: IGI # 31200657 Metal: 14KT Yellow Gold Size: 5.5 - Sizable Total Carat Weight: 0.99 CTS
Category

Early 2000s American Engagement Rings

Materials

Diamond, 14k Gold, Yellow Gold

Leo Diamond Engagement Ring Round 1.97 CTS H SI1 14KT White Gold w/Papers
By The Leo Diamond
Located in San Diego, CA
182935 Certificate: IGI # 7007308U Metal: 14KT White Gold Size: 7.0 - Sizable Total Carat Weight
Category

Early 2000s American Engagement Rings

Materials

Diamond, 14k Gold, White Gold

Leo Round Diamond Solitaire Engagement Ring 0.69 Carat G SI2 14 Karat White Gold
By The Leo Diamond
Located in San Diego, CA
Certificate: IGI # 6431100115 Metal: 14KT White Gold Size: 6.75 - Sizable Total Carat Weight: 0.69 CTS
Category

2010s American Engagement Rings

Materials

Diamond, 14k Gold, White Gold

Leo Diamond Engagement Ring Round Cut 1.62 TCW 14K White Gold Halo Setting
By The Leo Diamond
Located in San Diego, CA
THE LEO DIAMOND Style: Halo Diamond Pave Design Serial Number: LEO 034650 Certificate: IGI
Category

Early 2000s American Engagement Rings

Materials

Diamond, 14k Gold, White Gold

18 Karat White Gold Garavelli Diamond Tennis Bracelet Anniversary Collection
By Garavelli
Located in Valenza, IT
clarity VVS-VS Certificate IGI 44765 and ACG 8315521 Made in Italy GOLD gr: 22.50 WHITE DIAMONDS ct
Category

2010s Italian Modern Tennis Bracelets

Materials

White Diamond, Diamond, 18k Gold, White Gold

14K Solid Gold Butterfly Studs Dainty Butterfly Ear Studs Gold Cute Earrings.
Located in Chicago, IL
Metal Yellow Gold Certification IGI, BIS Hallmark Material 14k Solid Gold, Natural Diamond Item Length
Category

2010s Indian Art Deco More Earrings

Materials

Diamond, Gold, 14k Gold

Beauvince Ariel 3 Stone Ring (5.82 ct Emerald Cut IVVS2 IGI Diamond) in Platinum
By Beauvince Jewelry
Located in New York, NY
(Very Very Slightly Included 2) Certificate: IGI S3A64148 Side Diamonds Weight: 1.64 ct No. of Side
Category

2010s Engagement Rings

Materials

Diamond, White Diamond, Platinum

0.91 Carat Diamond Solitaire Engagement Ring
Located in London, GB
: 0.48 carats, Colour: F-G, Clarity: VS Hallmarked: Yes Box: The Vintage Jeweller Ring Box Certificate
Category

21st Century and Contemporary Solitaire Rings

Materials

Diamond, Platinum

Leo Bridal Diamond Round Brilliant Engagement Ring 2.10 Carat 14 Karat Gold
By The Leo Diamond
Located in San Diego, CA
THE LEO DIAMOND Style: Solitaire with Diamond Band Design Serial Number: LEO 202875 Certificate
Category

Early 2000s American Engagement Rings

Materials

Diamond, 14k Gold, White Gold

Pear Shape Blue Tanzanite 8.20 Cttw Diamond 2.10 Cttw Ring 18K White Gold
Located in New York, NY
estate piece is rendered in gleaming white gold. A head-turner! Currently, ring size 7. Certificate: IGI
Category

2010s American Modern Cocktail Rings

Materials

Diamond, Tanzanite, 18k Gold, White Gold

14k Solid White Diamond Star Stations Bracelet Gold Anniversary
Located in Chicago, IL
Certification IGI Gold Weight 2.39 Grams Approx Thickness 1.4 mm Approx
Category

2010s Indian Art Deco More Bracelets

Materials

Diamond, Gold, 14k Gold

14K Yellow Gold Natural Diamond Screw Back Earrings Moms Birthday Gift Jewelry
Located in Chicago, IL
Round Base Metal Yellow Gold Earrings Diameter 9.2 mm Approx Gold Weight 2.7 Grams Approx Certification
Category

2010s Indian Art Deco More Earrings

Materials

Diamond, Gold, 14k Gold

Leo Diamond Engagement Ring Round Cut 1.82 Carat 14 Karat White Gold
By The Leo Diamond
Located in San Diego, CA
Number: LEO 728970 Certificate: IGI # 32829478 Metal: 14KT White Gold & Platinum Prongs Size: 6.75
Category

Early 2000s American Engagement Rings

Materials

Diamond, 14k Gold, White Gold

Leo Diamond Engagement Ring Rounds 1.77 Carat, 14 Karat White Gold
By The Leo Diamond
Located in San Diego, CA
Number: LEO 720955 Certificate: IGI # 32671691 Metal: 14KT White Gold & Platinum Prongs Size: 6.75
Category

Early 2000s American Engagement Rings

Materials

Diamond, 14k Gold, White Gold

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Certificate Igi For Sale on 1stDibs

Surely you’ll find the exact certificate igi you’re seeking on 1stDibs — we’ve got a vast assortment for sale. Frequently made of gold, 18k gold and white gold, this item was constructed with great care. Find an antique version now, or shop for 92 vintage or 2877 modern creation for a more contemporary example of these cherished accessories. Finding the perfect certificate igi may mean sifting through those created during different time periods — you can find an early version that dates to the 19th Century and a newer variation that were made as recently as the 21st Century. Finding an appealing certificate igi — no matter the origin — is easy, but Studio Rêves, GLEAMIRE and Austy Lee each produced a popular version that is worth a look. Today, if you’re looking for a round cut version of this piece and are unable to find the perfect match, our selection also includes oval cut and cushion cut alternatives. Most of our certificate igi for sale are for women, but there are 716 pieces available to browse for men.

How Much is a Certificate Igi?

On average, a certificate igi at 1stDibs sells for $3,116, while they’re typically $1 on the low end and $780,000 for the highest priced versions of this item.

Why Gold Shines in Jewelry Craftsmanship

Gold is the feel-good metal, the serotonin of jewelry. Wear vintage and antique gold necklaces, watches, gold bracelets or gold rings and you feel happy, you feel dressed, you feel, well, yourself. 

Gold, especially yellow gold, with its rich patina and ancient pedigree going back thousands of years, is the steady standby, the well-mannered metal of choice. Any discussion of this lustrous metal comes down to a basic truth: Gold is elementary, my dear. Gold jewelry that couples the mystique of the metal with superb design and craftsmanship achieves the status of an enduring classic. Many luxury houses have given us some of our most treasured and lasting examples of gold jewelry over the years.

Since its founding, in 1837, Tiffany & Co. has built its reputation on its company jewelry as well as its coterie of boutique designers, which has included Jean Schlumberger, Donald Claflin, Angela Cummings and Elsa Peretti. There are numerous gold Tiffany classics worth citing. Some are accented with gemstones, but all stand out for their design and the workmanship displayed.

For the woman who prefers a minimalist look, the Tiffany & Co. twist bangle (thin, slightly ovoid) is stylishly simple. For Cummings devotees, signature pieces feature hard stone inlay, such as her pairs of gold ear clips inlaid with black jade (a play on the classic Chanel black and tan), or bangles whose design recalls ocean waves, with undulating lines of lapis lazuli and mother-of-pearl. And just about any design by the great Jean Schlumberger is by definition a classic.

Even had he eschewed stones and diamonds, Southern-born David Webb would be hailed for the vast arsenal of heavy gold jewelry he designed. Gold, usually hammered or textured in some manner, defines great David Webb jewelry. The self-taught jeweler made very au courant pieces while drawing inspiration from ancient and out-of-the-way sources — East meets West in the commanding gold necklaces made by Webb in the early 1970s. The same could be said for his endlessly varied gold cuffs.

In Europe, many houses have given us gold jewelry that sets the highest standard for excellence, pieces that were highly sought after when they were made and continue to be so. 

Numerous designs from Cartier are homages to gold. There are the classic Trinity rings, necklaces and bracelets — trifectas of yellow, white and rose gold. As a testament to the power of love, consider the endurance of the Cartier Love bracelet.

Aldo Cipullo, Cartier’s top in-house designer from the late 1960s into the early ’70s, made history in 1969 with the Love bracelet. Cipullo frequently said that the Love bracelet was born of a sleepless night contemplating a love affair gone wrong and his realization that “the only remnants he possessed of the romance were memories.” He distilled the urge to keep a loved one close into a slim 18-karat gold bangle. 

BVLGARI and its coin jewelry, gemme nummarie, hit the jackpot when the line launched in the 1960s. The line has been perennially popular. BVLGARI coin jewelry features ancient Greek and Roman coins embedded in striking gold mounts, usually hung on thick link necklaces of varying lengths. In the 1970s, BVLGARI introduced the Tubogas line, most often made in yellow gold. The Tubogas watches are classics, and then there is the Serpenti, the house's outstanding snake-themed watches and bracelets.

A collection called Monete that incorporated the gold coins is one of several iconic BVLGARI lines that debuted in the 1970s and ’80s, catering to a new generation of empowered women. Just as designers like Halston and Yves Saint Laurent were popularizing fuss-free ready-to-wear fashion for women on the go, BVLGARI offered jewels to be lived in

Since Van Cleef & Arpels opened its Place Vendôme doors in 1906, collection after collection of jewelry classics have enchanted the public. As predominantly expressed in a honeycomb of gold, there is the Ludo watch and accessories, circa the 1920s, and the golden Zip necklace, 1951, whose ingenious transformation of the traditional zipper was originally proposed by the Duchess of Windsor. Van Cleef's Alhambra, with its Moroccan motif, was introduced in 1968 and from the start its popularity pivoted on royalty and celebrity status. It remains one of VCA’s most popular and collected styles.

Mention must be made of Buccellati, whose name is synonymous with gold so finely spun that it suggests tapestry. The house’s many gold bracelets, typically embellished with a few or many diamonds, signified taste and distinction and are always in favor on the secondary market. Other important mid-20th-century houses known for their gold-themed jewelry include Hermès and Ilias Lalaounis.

Find a stunning collection of vintage and antique gold jewelry on 1stDibs.

The Legacy of Diamond in Jewelry Design

Antique diamond rings, diamond tiaras and dazzling vintage diamond earrings are on the wish lists of every lover of fine jewelry. And diamonds and diamond jewelry are primarily associated with storybook engagements and red-carpet grand entrances — indeed, this ultra-cherished gemstone has a dramatic history on its hands.

From “A Diamond Is Forever” to “Diamonds Are a Girl’s Best Friend,” pop culture has ingrained in our minds that diamonds are the most desired, the most lasting and the most valuable gemstone. But what makes the diamond so special? Each stone — whether it’s rubies, sapphires or another stone — is unique and important in its own right. April babies might claim diamonds for themselves, but just about everyone wants this kind of sparkle in their lives!

There are several factors that set diamonds apart from other stones, and these points are important to our gem education.

Diamonds are minerals. They are made up of almost entirely of carbon (carbon comprises 99.95 percent; the remainder consists of various trace elements). Diamonds are the hardest gemstones, ranking number 10 on the Mohs Hardness Scale. Even its name, diamond, is rooted in the Greek adamas, or unconquerable. The only object that can scratch a diamond is another diamond. Diamonds are formed deep within the earth at very high temperatures (1,652–2,372 degrees Fahrenheit at depths between 90 and 120 miles beneath the earth’s surface) and are carried up by volcanic activity. Diamonds are quite rare, according to the Gemological Institute of America, and only 30 percent of all the diamonds mined in the world are gem quality.

In the 1950s, the Gemological Institute of America developed the 4Cs grading system to classify diamonds: clarity, color, cut and carat weight. Not all diamonds are created equal (there are diamonds, and then there are diamonds). The value of the diamond depends on the clarity (flawless diamonds are very rare but a diamond's value decreases if there are many blemishes or inclusions), color (the less color the higher the grade), cut (how the diamond’s facets catch the light, certain cuts of diamonds show off the stone better than others) and carat weight (the bigger, the better).

When you start shopping for a diamond engagement ring, always prioritize the cut, which plays the largest role in the diamond's beauty (taking the time to clean your diamond ring at least every six months or so plays a role in maintaining said beauty). And on 1stDibs, a range of buying guides can be found for those in the market for antique engagement ringsvintage engagement rings or Art Deco engagement rings

Shop antique and vintage diamond rings, diamond necklaces and other extraordinary diamond jewelry on 1stDibs.