Carat Gem Lab
to
5
52
35
26
17
14
64
23
21
20
7
3
22
45
1
3
3
1
1
3
1
37
33
13
11
11
8
7
to
2
2
2
1
1
17
15
12
6
2
2
1
70
54
11
Sort By
GIA Certified 9.71 Ct. Minor Oil Emerald Diamond Ring
Located in Chicago, IL
2.95 cts.
Platinum, size 6.5
Carat Gem Lab: Thailand (Siam) indications of heating
Category
2010s American Contemporary Cocktail Rings
Materials
Emerald, White Diamond, Diamond, Platinum
18 Karat White Gold Ring with No Heat Star Ruby 6 Carat, Diamonds 1.83 Carat
Located in Antwerp, BE
Red, Cabochon Star Ruby, No indications of heating. Comes with Carat Gem Lab Certificate CGL28027
Category
20th Century European Artisan Signet Rings
Materials
Diamond, Star Ruby, Ruby, 18k Gold, White Gold
Carat Gemlab Certified 2.54 Carat Emerald Dome Ring with Baguette Diamonds
Located in Antwerp, BE
Carat Gem Lab Certificate
Category
21st Century and Contemporary Artisan Cocktail Rings
Materials
Diamond, Emerald, 18k Gold, Yellow Gold
18kt White Gold Bracelet Set Necklace Earring Sapphire Diamonds CGL Certified
Located in Antwerp, BE
diamonds Together approx 17.13 Carat.
Material: 18 kt White gold.
Comes with Carat Gem Lab certificate
Category
21st Century and Contemporary Belgian Contemporary More Necklaces
Materials
Diamond, Blue Sapphire, Sapphire, 18k Gold, White Gold
Platinum Toi & Moi Ring with 2.4 Ct Ruby and 1.55ct Diamond
Located in Antwerp, BE
, intense red, Comes with Carat Gem Lab certificate
Diamonds: Cushion shape diamond 1.55ct G SI1 Comes with
Category
21st Century and Contemporary Artisan More Rings
Materials
Diamond, Ruby, Platinum
18kt White Gold Earrings with 21.42ct Sapphires, 5.09ct Diamonds, CGL Certified
Located in Antwerp, BE
pieces together 5.09 ct in total.
Material: 18kt white gold
Very secure fastening
Comes with Carat Gem
Category
21st Century and Contemporary Contemporary Chandelier Earrings
Materials
Diamond, Sapphire, 18k Gold
18kt Yellow & White Gold Ring With a 9.93Ct Ceylon Cabochon Sapphire & Diamonds
Located in Antwerp, BE
sapphire 9.93 ct. Comes with Carat Gem Lab certificate.
Material: 18 kt. white and yellow gold
Ring size
Category
21st Century and Contemporary Belgian Artisan Fashion Rings
Materials
Diamond, Sapphire, White Gold
18kt White Gold Ring with Heart Shaped Ruby and Diamonds , CGL Certified
Located in Antwerp, BE
/ 0.300 oz / 5.5 dwt
Comes with a Carat Gem Lab Certificate
Category
21st Century and Contemporary Artisan More Rings
Materials
Diamond, Ruby, White Gold
18kt White Gold Bracelet 27.33ct Sapphires, 9ct Diamonds, CGL Certificated
Located in Antwerp, BE
in total.
Material: 18 kt white gold
Comes with very secure fastening.
Comes with a Carat Gem Lab
Category
21st Century and Contemporary Contemporary Tennis Bracelets
Materials
Diamond, Blue Sapphire, Sapphire, 18k Gold
H 0.32 in Dm 6.89 in L 7.49 in
18kt Yellow Gold Ring 6.75ct Minor Emerald Colombia, Triangle Diamonds CGL
Located in Antwerp, BE
Gem Lab certificate.
Category
21st Century and Contemporary Contemporary Fashion Rings
Materials
Diamond, Emerald, 18k Gold, Yellow Gold
18kt White Gold Ring 4.05ct Burma Ruby, 5.76ct Diamonds, CGL Certified
Located in Antwerp, BE
: 18 kt. white gold
Size:51
Total weight: 10.6 grams, 6.8 dwt , 0.375 oz.
Comes with a Carat Gem Lab
Category
21st Century and Contemporary Contemporary Cocktail Rings
Materials
Diamond, Ruby, White Gold, 18k Gold
18kt White Gold 4 Ct No Heat Vivid Ruby Ring, 1.5 Ct Diamonds, CGL Certificate
Located in Antwerp, BE
Ruby, 4.02ct
Comes with a Carat Gem Lab Certificate
Diamonds 24 brilliant cut diamonds together
Category
21st Century and Contemporary Artisan Engagement Rings
Materials
Diamond, Ruby, 18k Gold, White Gold, Yellow Gold
18 kt Yellow Gold Ring with 2ct Sapphire and 2.8ct Diamonds, Estate Sultan Oman
Located in Antwerp, BE
Carat Gem Lab Certificate CGL28028
Diamonds: Brilliant cut diamonds together approx. 2.8 ct. diamonds
Category
20th Century European Artisan Cluster Rings
Materials
Diamond, Sapphire, 18k Gold, Yellow Gold
18kt White Gold 59.31ct Sapphire, 17.13ct Diamonds CGL Certified
Located in Antwerp, BE
.
Material: 18kt White gold.
Comes with Carat Gem Lab certificate.
Category
21st Century and Contemporary Contemporary More Necklaces
Materials
Diamond, Sapphire, 18k Gold
Platinum Asprey & Co Sapphire & Diamond Bracelet to His Majesty Qaboos Bin Said
By Asprey London
Located in Antwerp, BE
& Royal Blue Siam Sapphires together 23.5 ct.
Comes with a Carat Gem Lab certificate (Report number
Category
20th Century British Artisan Tennis Bracelets
Materials
Diamond, Sapphire, Platinum
18kt Ring 4.83 Minor Emerald Diamonds CGL Certified
Located in Antwerp, BE
weight: 7.6 gram
Comes with a Carat Gem Lab certificate, Orologio certificate, a presentable box
Category
21st Century and Contemporary Contemporary Fashion Rings
Materials
Diamond, Emerald, 18k Gold
Platinum Clip-On Earrings 7ct Rubies CGL Certified, 6.8ct Diamonds, Estate Oman
Located in Antwerp, BE
.
Comes with Carat Gem Lab certificate CGL28029
Diamonds:
14 Brilliant cut diamonds, together approx. 4
Category
20th Century European Artisan Clip-on Earrings
Materials
Diamond, Ruby, Platinum
W 1.23 in D 0.62 in L 0.75 in
Beautiful 18kt Handmade White Gold Ring4.36 Ct Colombia Emerald Minor&Diamonds
Located in Antwerp, BE
Measurements: 23mm x 21.7mm
Total weight: 11.8 gram / 0.415 oz / 7.6 dwt
Comes with Carat Gem Lab
Category
21st Century and Contemporary Artist Cocktail Rings
Materials
Diamond, Emerald, 18k Gold, White Gold
18 Kt, Earrings Minor Colombian 5.39 & 5.14ct Emeralds, Diamonds, CGL Certified
Located in Antwerp, BE
Emeralds, 5.39 ct. and 5.14 ct.
Comes with Carat Gem Lab certificate Report number CGL17383
Diamonds
Category
21st Century and Contemporary Belgian Artisan Dangle Earrings
Materials
Diamond, Emerald, 18k Gold, Yellow Gold
18 Kt White Gold Pendant / Hanger Intense Green Emerald 10.5 Ct & Diamonds
Located in Antwerp, BE
/ 0.675 oz / 12.3 dwt
Necklace will come presented in a brand new jewellery box with the Carat Gem Lab
Category
21st Century and Contemporary Belgian Artisan Pendant Necklaces
Materials
Emerald, Diamond, White Gold, 18k Gold
W 1.08 in D 0.44 in L 1.69 in
CGL Certified, 4.43 Ct Colombian Emerald Minor Oil, Diamond Ring 18 kt Whit Gol
Located in Antwerp, BE
adjusted for free)
Comes with a Carat Gem Lab certificate.
Category
21st Century and Contemporary Contemporary Fashion Rings
Materials
Diamond, Emerald, 18k Gold, White Gold
18 kt. Gold Ring With 3.78 ct. Minor Emerald Cabochon, Diamonds, Sapphire, Ruby
Located in Antwerp, BE
, Sapphire, Ruby
Emerald: Intense Green Minor Cabochon 3.78 ct. with Carat Gem Lab certificate CGL 15818
Category
21st Century and Contemporary Belgian Artisan Fashion Rings
Materials
Sapphire, Ruby, Emerald, Diamond, Gold
Adler Genève 18kt Gold 190 ct Emeralds Beaded Necklace, Estate Sultan of Oman
By Adler
Located in Antwerp, BE
ct.
Comes with a Carat Gem Lab certificate, (Report number CGL28032)
Diamonds: Brilliant cut
Category
20th Century Swiss Artisan Multi-Strand Necklaces
Materials
Emerald, Gold, 18k Gold
Colombian emerald and diamond flank solitaire ring, circa 1925
Located in London, GB
a smooth D-shape shank. Marked platinum, circa 1925, accompanied by Carat Gem Lab report #CGL19347
Category
Vintage 1920s Solitaire Rings
Materials
Diamond, Emerald, Platinum
Adler Genèva 18kt Gold Necklaces 480ct Faceted Bead Emeralds CGL Certified
By Adler
Located in Antwerp, BE
Emeralds
Both necklaces come with a certificate from Carat Gem Lab (Report number: CGL28033 and CGL28034
Category
20th Century Swiss Artisan Beaded Necklaces
Materials
Emerald, Gold, 18k Gold
Certified 17.81ct Colombian Emerald and Diamond Cocktail Ring in 18K Gold
By Claris-A
Located in Monte Carlo, MC
, certified by Carat Gem Lab, a highly regarded French gemological laboratory. The emerald’s intense green
Category
21st Century and Contemporary European Contemporary Cocktail Rings
Materials
Emerald, White Diamond, Diamond, 18k Gold
Certified Emerald 2.7ct & 2.7ct and Diamond Twist Ring in 18K Yellow Gold
Located in London, GB
, dimensions: 11.3 x 7.7 x 5.4 mm each.
With accompanying gemmological certificate from Carat Gem Lab.
82 x
Category
2010s European Modernist Cocktail Rings
Materials
Emerald, Diamond, Yellow Gold, 18k Gold
Boucheron Paris Solitaire Natural Unenhanced Burmese Sapphire Diamond Ring
By Boucheron
Located in London, GB
SSEF report #131307, Carat Gem Lab report #06105, and Gem Paris Laboratoire report #20131971099-1. UK
Category
Vintage 1930s French Solitaire Rings
Materials
Blue Sapphire, Diamond, Platinum
Tiffany & Co. Star Ruby Diamond Gold Ring
By Tiffany & Co.
Located in London, GB
, accompanied by Carat Gem Lab report #CGL11698. UK finger size L.
Please note shipping to the United States of
Category
Vintage 1970s French Engagement Rings
Materials
Diamond, Ruby, Yellow Gold
1.69 Carat Burmese Sapphire and 1.15 Carat Diamond White Gold Cocktail Ring
Located in Jesmond, Newcastle Upon Tyne
diamond ring is supplied with an independent diamond grading report card, in addition to a Carat Gem Lab
Category
Vintage 1930s Unknown Cluster Rings
Materials
Diamond, Sapphire, White Gold, Platinum
GRS Certified 3.5 carat Exceptional Pink Sapphire & Diamond Halo Platinum Ring
Located in London, GB
carat vivid pink sapphire—certified by the esteemed Gem Research Lab Switzerland for its exceptional
Category
21st Century and Contemporary Unknown Art Deco Engagement Rings
Materials
Diamond, Pink Sapphire, Platinum
Gubelin Certified 2.45 Carat Burma No Heat Ruby White Diamond Platinum Ring
Located in Kowloon, HK
Gubelin Gem Lab, the ruby is fashioned as a cushion-cut, hailing from the historic ruby mines of Burma
Category
2010s Cluster Rings
Materials
White Diamond, Ruby, Platinum
AGL 16.22 Carat NO HEAT Natural Star Sapphire and Diamond Necklace Platinum
By Kiersten Elizabeth
Located in Southport, CT
Carats
All Set in Platinum 950
Total Gem Weight 17.87 Carats
Lab Certification Detail
Larger Star
Category
21st Century and Contemporary American Modern Pendant Necklaces
Materials
Diamond, Star Sapphire, Platinum
H 0.33 in W 0.4 in L 17.25 in
Sapphire and Diamond Cluster Ring
Located in London, GB
Gem and Pearl Lab Cert stating that the sapphire is from Madagascar with no signs of heating, four
Category
2010s British Modern Cluster Rings
Materials
Diamond, Sapphire, Platinum
Art Deco Colombian Cabochon Emerald and Diamond Cluster Ring
Located in London, GB
weigh 4,0 carats, accompanied by The Gem & Pearl Lab. Report stating that is of Colombian origin, set to
Category
Vintage 1920s British Art Deco Engagement Rings
Materials
Diamond, Emerald
Rose Gold, Platinum Diamond Ring, 1.68 Carat Ruby
Located in Paris, IDF
carat non heated Burmese ruby, surrounded with 8/8 cut diamonds.
Size : 6 3/4 US (53.5)
Carat Gem Lab
Category
Vintage 1950s Unknown Post-War Cocktail Rings
Materials
Diamond, Ruby, Rose Gold, Platinum
Certified 1 Carat Diamonds Sapphires 18 Carat White Gold Art Deco Style Ring
Located in Paris, FR
with diamonds.
Central diamond weight: 0.94 carats
With a Carat Gem Lab certificate specifying color
Category
2010s French Art Deco Engagement Rings
Materials
Diamond, Sapphire, 18k Gold, White Gold
A 19th Century English Topaz Diamond Ring
Located in New York, NY
, circa 1890.
Accompanied by a Carat Gem Lab Certificate Report #CGL09249, dated June 2015.
Category
Antique 19th Century English More Rings
Materials
Diamond, Topaz, Gold
Certified 40 carats Santa Maria Aquamarine 18-carat White Gold Ring
Located in Paris, FR
.
Aquamarine weight: 39.24 carats
With Carat Gem Lab certificate, specifying Natural Aquamarine, Santa-Maria
Category
Late 20th Century French Modern Cocktail Rings
Materials
Aquamarine, 18k Gold, White Gold
Emeralds and Diamonds Dome Ring
Located in Paris, IDF
emerald shouldered on each side by 3 baguette-cut emeralds.
Carat Gem Lab certificate stating : Colombian
Category
21st Century and Contemporary French Contemporary Cocktail Rings
Materials
Diamond, Emerald, 18k Gold, Yellow Gold
Certified 4.22 Carats Paraïba Tourmaline 1.60 Carats Diamonds 18K White Gold Rin
Located in Paris, FR
surrounded by brilliant-cut diamonds.
Tourmaline certified by the Carat Gem Lab.
Ring dimensions: 16.59 x
Category
2010s French Contemporary Engagement Rings
Materials
Paraiba, Tourmaline, Diamond, 18k Gold, White Gold
2.02 Carat Unheated Intense Red Cushion Natural Ruby 'Mozambique' Ring Certified
Located in Hong Kong, Hong Kong
gold, ring size 6½
Accompanied from the Carat Gem Lab report stating that the 2.02 carat sapphire is
Category
2010s Hong Kong Art Deco Cluster Rings
Materials
Ruby, Diamond, 18k Gold
Certified 2 Carats Diamond 18 Carats White Gold Solitaire Ring
Located in Paris, FR
Carat Gem Lab certificate, specifying H color, SI1 clarity, no fluorescence.
Total estimated weight of
Category
Early 2000s French Modern Solitaire Rings
Materials
Diamond, White Gold
French Art Deco Certified 1, 30 Carat Emerald Ring on White Gold with Diamonds
Located in PARIS, FR
emeralds, which total weight is apx 0.15Ct.
Emerald certified as natural and Brazilian (Carat Gem Lab
Category
Vintage 1930s French Art Deco Cluster Rings
Materials
Diamond, Emerald, White Gold
Certified 4.21 Carats Brazilian Emerald Diamonds 18 Carats White Gold Pompadour
Located in Paris, FR
brilliant diamonds.
Weight of the emerald : 4.21 carats
With Carat Gem Lab certificate, specifying natural
Category
Vintage 1970s French Modern Engagement Rings
Materials
Diamond, Emerald, White Gold
Certified Unheated 3.63 Carats Burma Cabochon Ruby Diamonds Platinum Yellow Gold
Located in Paris, FR
.
Estimated ruby weight: 3.63 carats
With Carat Gem Lab certificate, specifying natural ruby, intense red
Category
Early 20th Century French Modern Engagement Rings
Materials
Ruby, Diamond, Platinum, Yellow Gold, 18k Gold
Certified Unheated Burma Cabochon Spinel Diamond 18k White Gold Ring
By Les Pierres de Julie
Located in Paris, FR
diamonds.
One of a kind.
Weight of the spinel : 4.01 carats
With Carat Gem Lab certificate, specifying
Category
2010s French Modern Engagement Rings
Materials
Diamond, Spinel, White Gold
Certified Retro Ruby Diamonds 18 Carats White Gold Ring
Located in Paris, FR
weight of the ruby : 1.75 carats
With Carat Gem Lab certificate, specifying natural ruby, intense red
Category
Vintage 1970s French Modern Fashion Rings
Materials
Diamond, Ruby, White Gold
Engagement Emerald & Diamonds Cluster Ring on White Gold
Located in PARIS, FR
estimated G/H, clarity VS).
Hallmark : owl
Emerald certified as natural and Brazilian (Carat Gem Lab Paris
Category
Vintage 1960s Engagement Rings
Materials
Diamond, Emerald, White Gold
Edwardian Cluster Ring, Unheated Burmese Ruby 1.60 Cts, Diamond Surround
Located in PARIS, FR
accompanied by a Carat Gem Lab certificate, specifying natural Burmese ruby without thermal modifications
Category
Early 20th Century European Edwardian Cluster Rings
Materials
Diamond, Ruby
GIA CDC Certified 16.10 Carat Emerald Diamond 18 Karat Yellow Gold Pendant
By Andreoli
Located in New York, NY
Color SI2 Clarity eye clean 0.74 carat diamond. CDC Gem Swiss Lab Certified vivid green 16.10 carat
Category
2010s American Contemporary Pendant Necklaces
Materials
Diamond, White Diamond, Emerald, Gold, 18k Gold, Yellow Gold
CGL Certified 7.04 Carat Thai Ruby and Diamond 18 Karat Gold Earring
By Rewa Jewellery
Located in Bangkok, TH
certified by Carat Gem Lab (CGL) surrounded by 2.61 Carat diamonds. The earring is made in 18k white gold
Category
2010s Stud Earrings
Materials
Diamond, Ruby, 18k Gold, White Gold, Gold
7.72 Carat No Heat Thai Ruby, Emerald and Diamond Earring 18k Gold
Located in Bangkok, TH
weighs 3.51 carat is certified by Carat Gem Lab (CGL) as natural, 'No heat' and 'Intense Red'. The total
Category
2010s Dangle Earrings
Materials
Diamond, Emerald, Ruby, 18k Gold, White Gold
Natural Imperial Topaz Ring Gem 7.75 Carat Loose Gemstone Brazil
By Merkaba
Located in Beverly Hills, CA
Superb natural Brazilian Imperial Topaz oval gem, weighing a total of 7.75 carats.
The CDC gem lab
Category
21st Century and Contemporary Brazilian Contemporary Loose Gemstones
Materials
Imperial Topaz, Topaz
Gübelin Certified No Heat 8.05 carat Purple Sapphire Earrings
Located in New York, NY
will captivate your imagination. Each earring boasts a stunning 4.03 carat Gübelin Gem Lab certified No
Category
21st Century and Contemporary American Art Deco Dangle Earrings
Materials
Purple Sapphire, Diamond, 18k Gold, White Gold, Yellow Gold
AGL Cert 16.22 Carat NO HEAT Natural Star Sapphire and Diamond Necklace Plat
By Kiersten Elizabeth
Located in Southport, CT
Carats
All Set in Platinum 950
Total Gem Weight 17.87 Carats
Lab Certification Detail
Larger Star
Category
21st Century and Contemporary American Modern Pendant Necklaces
Materials
Diamond, Star Sapphire, Platinum
H 0.33 in W 0.4 in L 17.25 in
Bracelet 18 kt gold diamonds + sapphire cabouchon earrings
Located in Antwerp, BE
20 mm x 18 mm
Total weight: 11.0 gram / 0.390 oz / 7.1 dwt
Comes with 2 Carat Gem Lab Certificates
Category
21st Century and Contemporary Belgian Artisan Modern Bracelets
Materials
Diamond, Sapphire, Gold
Designer Cartier Emerald and Diamond Platinum Ring
By Cartier
Located in Scottsdale, AZ
(1) Emerald and includes a Cartier Carat Gem Lab Gemological Laboratory Report. Reference #4278952
Category
21st Century and Contemporary French Fashion Rings
Materials
Emerald, Platinum
French Art Nouveau Pearl and Diamond Ring
Located in London, GB
Gem & Pearl Lab report, stating to be natural of saltwater origin, set between two old brilliant-cut
Category
Antique 1890s French Art Nouveau Three-Stone Rings
Materials
Diamond, Pearl, Natural Pearl, Yellow Gold, Silver
Victorian Sapphire and Diamond Bee Brooch
Located in London, GB
accompanied by Gem & Pearl Lab Report 17165 stating to be natural with no indication of heating, the wings
Category
Antique 1880s British Late Victorian Brooches
Materials
Diamond, Ruby, Sapphire, Yellow Gold, Silver
- 1
Get Updated with New Arrivals
Save "Carat Gem Lab", and we’ll notify you when there are new listings in this category.
Carat Gem Lab For Sale on 1stDibs
On 1stDibs, you can find the most appropriate carat gem lab for your needs in our varied inventory. Frequently made of Gold, 18k Gold and White Gold, this item was constructed with great care. Our collection of these items for sale includes 1 vintage editions and 11 modern creations to choose from as well. You’re likely to find the perfect carat gem lab among the distinctive items we have available, which includes versions made as long ago as the 20th Century as well as those produced as recently as the 21st Century. For this particular accessory, there are many different carat weights to choose from, but versions are of considerable interest. Finding an appealing carat gem lab — no matter the origin — is easy, but Héritage Jewelry each produced a popular version that is worth a look. A cushion cut version of this piece has appeal, but there are also emerald cut and brilliant cut versions for sale. There aren’t many items for men if you’re seeking a carat gem lab, as most of the options available are for women and unisex.
How Much is a Carat Gem Lab?
Prices for a carat gem lab can differ depending upon size, time period and other attributes — at 1stDibs, these accessories begin at $8,085 and can go as high as $224,767, while this accessory, on average, fetches $53,735.