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12.400 Carats Perfect Loose Ametrine Gemstone
Located in Bangkok, TH
Perfect Loose Ametrine Gemstone, available for sale, natural high-quality loose gemstone, flawless
Category

21st Century and Contemporary Bolivian Loose Gemstones

Materials

Other

Lustrous Loose Ametrine Stone 13.035 Faceted Ametrine Flawless Loupe Clean
Located in Bangkok, TH
Lustrous Loose Ametrine Stone of 13.035 carats from Bolivia has a wonderful cut in a Oval Like
Category

21st Century and Contemporary Bolivian Modern Loose Gemstones

Materials

Other

Gigantic 38.25 Carats Natural Loose Ametrine Necklace Jewelry Gem
Located in Peshawar, PK
Loose Ametrine Weight: 38.25 Carats Dimension: 19.9x18.2X 15.7 Mm Origin: Brazil Shape: Cushion
Category

21st Century and Contemporary Brazilian Arts and Crafts Loose Gemstones

Materials

Amethyst, Citrine

17.75 Carat Loose Ametrine Emerald Cut
Located in Brisbane, AU
Faceted Ametrine Weight: 17.75 Carats Dimension: 17.7x12.5x10.2 Mm Origin: Bolivia Shape: Emerald
Category

21st Century and Contemporary Bolivian Arts and Crafts Loose Gemstones

Materials

Amethyst, Citrine, Quartz

17.75 Carat Loose Ametrine Emerald Cut
17.75 Carat Loose Ametrine Emerald Cut
W 0.5 in D 0.41 in L 0.7 in
8.15 Carat Natural Loose Ametrine Emerald Shape Gem For Jewellery
Located in Peshawar, PK
Loose Ametrine Weight: 8.15 Carats Dimension: 12.1 x 10.1 x 7.6 Mm Origin: Brazil Shape : Emerald
Category

21st Century and Contemporary Brazilian Arts and Crafts Loose Gemstones

Materials

Other

9.95 Carat Natural Loose Ametrine Oval Shape Gem For Necklace
Located in Peshawar, PK
Loose Ametrine Weight: 9.95 Carat Dimension: 17.1 x 13.6 x 9.2 Mm Origin: Brazil Treatment: Non
Category

21st Century and Contemporary Brazilian Arts and Crafts Loose Gemstones

Materials

Quartz

7.10 Carats Natural Loose Ametrine Emerald Shape Gem From Earth Mine
Located in Peshawar, PK
Loose Ametrine Weight: 7.10 Carats Dimension: 11.9 x 9.7 x 7.1 Mm Origin: Brazil Shape : Emerald
Category

21st Century and Contemporary Brazilian Arts and Crafts Loose Gemstones

Materials

Quartz

12.80 Carat Natural Loose Ametrine Octagon Shape Gem For Jewellery Making
Located in Peshawar, PK
Loose Ametrine Weight: 12.80 Carats Dimension: 14.4 x 13.9 x 10.4 Mm Origin: Bolivia Shape
Category

21st Century and Contemporary Bolivian Arts and Crafts Loose Gemstones

Materials

Quartz

18.90 Carats Natural Loose Ametrine Cushion Shape Bolivianite Gem For Jewellery
Located in Peshawar, PK
Loose Ametrine Weight: 18.90 Carats Dimension: 15.8 x 14.8 x 11.8 Mm Colour: Purple and Yellow
Category

21st Century and Contemporary Bolivian Arts and Crafts Loose Gemstones

Materials

Quartz

7.45 Carat Natural Loose Ametrine Oval Shape Gem For Necklace Jewellery
Located in Peshawar, PK
Loose Ametrine Weight: 7.45 Carats Dimension: 14.6 x 10.6 x 7.3 Mm Origin: Brazil Shape : Long Oval
Category

21st Century and Contemporary Brazilian Arts and Crafts Loose Gemstones

Materials

Other

35.60 Carats Super Dense Loose Ametrine Gemstone
Located in Peshawar, PK
Faceted Ametrine Weight: 35.60 Carats Dimension: 19.3 x 18.5 x 14 Mm Shape: Cushion Color: Purple
Category

21st Century and Contemporary Brazilian Arts and Crafts Loose Gemstones

Materials

Amethyst, Citrine

Gorgeous 14.25 Carat Loose Ametrine from Bolivia
Located in Peshawar, PK
Faceted Ametrine Weight: 14.25 Carats Dimension: 14.4x14x10.3 Mm Origin: Bolivia Sjape: Cushion
Category

21st Century and Contemporary Bolivian Arts and Crafts Loose Gemstones

Materials

Amethyst, Citrine

Gorgeous 14.25 Carat Loose Ametrine from Bolivia
Gorgeous 14.25 Carat Loose Ametrine from Bolivia
H 0.57 in W 0.56 in D 0.41 in L 0.57 in
7.30 Carats Natural Loose Ametrine Oval Shape Gem For Jewellery Making
Located in Peshawar, PK
Loose Ametrine Weight: 7.30 Carat Dimension: 16 x 11.5 x 8.3 Mm Origin: Brazil Treatment: Non
Category

21st Century and Contemporary Brazilian Arts and Crafts Loose Gemstones

Materials

Quartz

10.30 Carats Natural Bolivian Loose Ametrine Bi Color Gem For Jewellery Making
Located in Peshawar, PK
Loose Ametrine Weight: 10.30 Carats Dimension: 11.9x13.5x9.2 Mm Origin: Bolivia Shape: Oval
Category

21st Century and Contemporary Bolivian Arts and Crafts Loose Gemstones

Materials

Citrine, Amethyst

Pretty 5.95 Carat Natural Loose Ametrine Trystine Asscher Shape Gem For Ring
Located in Peshawar, PK
Loose Ametrine Weight: 5.95 Carat Dimension: 11.5 x 10.1 x 7.9 Mm Origin: Brazil Cut: Asscher
Category

21st Century and Contemporary Brazilian Arts and Crafts Loose Gemstones

Materials

Other

8.80 Carats Natural Loose Ametrine Oval Shape Bar Cut Gemstone Brazil Mine
Located in Peshawar, PK
Loose Ametrine Weight: 8.80 Carats Dimension: 14.5x11.6x10.2 Mm Origin: Brazil Shape: Oval Cut
Category

21st Century and Contemporary Brazilian Art Nouveau Loose Gemstones

Materials

Citrine, Amethyst

18.10 Carat Natural Loose Ametrine Heart Shape Gemstone
Located in Peshawar, PK
Faceted Ametrine Weight: 18.10 Carats Dimension: 18.7 x 18 x 11.6 Mm Origin: Brazil Color: Purple
Category

21st Century and Contemporary Brazilian Arts and Crafts Loose Gemstones

Materials

Amethyst, Citrine

12.95 Carat Natural Loose Ametrine Emerald Shape Gem
Located in Peshawar, PK
Faceted Ametrine Weight: 12.95 Carats Dimension; 15.3 x 13.1 x 11 Mm Origin: Brazil Color: Purple
Category

21st Century and Contemporary Bolivian Arts and Crafts Loose Gemstones

Materials

Citrine, Amethyst

19.10 Carat Natural Loose Ametrine Fancy Cut Gemstone
Located in Peshawar, PK
Faceted Ametrine Weight: 19.10 Carats Dimension: 17.4 x 19.7 x 13.5 Mm Origin: Brazil Color
Category

21st Century and Contemporary Bolivian Arts and Crafts Loose Gemstones

Materials

Amethyst, Citrine

9.75 Carat Natural Loose Ametrine Emerald Shape Gemstone
Located in Peshawar, PK
Faceted Ametrine Weight: 9.75 Carats Dimension: 12.7 x 11.6 x 7.7 Mm Origin: Brazil Color: Purple
Category

21st Century and Contemporary Brazilian Arts and Crafts Loose Gemstones

Materials

Amethyst, Citrine

12.90 Carat Natural Loose Ametrine Cushion Shape Gemstone
Located in Peshawar, PK
Faceted Ametrine Weight: 12.90 Carats Dimension: 15.7 x 13.9 x 11.2 Mm Origin: Brazil Color
Category

21st Century and Contemporary Brazilian Arts and Crafts Loose Gemstones

Materials

Amethyst, Citrine

13.35 Carat Natural Loose Ametrine Asscher Cut Gemstone
Located in Peshawar, PK
Faceted Ametrine Weight: 13.35 Carats Dimension: 14.9 x 13.2 x 10 Mm Origin: Brazil Color: Purple
Category

21st Century and Contemporary Brazilian Arts and Crafts Loose Gemstones

Materials

Amethyst, Citrine

20.60 Carat Natural Loose Ametrine Hexagon Cut Gemstone
Located in Peshawar, PK
Faceted Ametrine Weight: 20.60 Carats Dimension: 20 x 16.1 x 12 Mm Origin: Brazil Color: Purple
Category

21st Century and Contemporary Brazilian Arts and Crafts Loose Gemstones

Materials

Amethyst, Citrine

15.15 Carat Natural Loose Ametrine Round Shape Gemstone
Located in Peshawar, PK
Faceted Ametrine Weight: 15.15 Carats Dimension; 15.5 x 15.5 x 11.8 Mm Origin: Brazil Color
Category

21st Century and Contemporary Brazilian Arts and Crafts Loose Gemstones

Materials

Citrine, Amethyst

3.35 Carat Natural Loose Ametrine Cushion Shape Gemstone
Located in Peshawar, PK
Faceted Ametrine Weight: 3.35 Carats Dimension; 9 x 8.6 x 6.6 Mm Origin: Brazil Color: Purple
Category

21st Century and Contemporary Brazilian Arts and Crafts Loose Gemstones

Materials

Amethyst, Citrine

3.50 Carat Natural Loose Ametrine Pear Shape Gem
Located in Peshawar, PK
Faceted Ametrine Weight: 3.50 Carats Dimension; 12.8 x 7.7 x 6.8 Mm Origin: Brazil Color: Purple
Category

21st Century and Contemporary Brazilian Arts and Crafts Loose Gemstones

Materials

Citrine, Amethyst

4.43 Carat Natural Loose Ametrine Cushion Shape Gemstone
Located in Peshawar, PK
Faceted Ametrine Weight: 4.43 Carats Dimension; 11 x 8.5 x 6.6 Mm Origin: Brazil Color: Purple
Category

21st Century and Contemporary Afghan Arts and Crafts Loose Gemstones

Materials

Amethyst, Citrine

9.50 Carat Natural Loose Ametrine Emerald Shape Gemstone
Located in Peshawar, PK
Faceted Ametrine Weight: 9.50 Carats Dimension; 14 x 10.5 x 8.9 Mm Origin: Brazil Color: Purple
Category

21st Century and Contemporary Brazilian Arts and Crafts Loose Gemstones

Materials

Amethyst, Citrine

8.05 Carat Natural Loose Ametrine Emerald Shape Gemstone
Located in Peshawar, PK
Faceted Ametrine Weight: 8.05 Carats Dimension; 16 x 9.8 x 7 Mm Origin: Brazil Color: Purple
Category

21st Century and Contemporary Brazilian Arts and Crafts Loose Gemstones

Materials

Amethyst, Citrine

6.25 Carat Natural Loose Ametrine Cushion Shape Gemstone
Located in Peshawar, PK
Faceted Ametrine Weight: 6.25 Carats Dimension; 10.9 x 10 x 8.3 Mm Origin: Brazil Color: Purple
Category

21st Century and Contemporary Brazilian Arts and Crafts Loose Gemstones

Materials

Citrine, Amethyst

26.00 Carat Natural Loose Ametrine Pair For Jewellery Making
Located in Peshawar, PK
Faceted Ametrine Pair Weight: 26.00 Carats Dimension: 16.3 x 12.9 x 9.1 Mm Shape: Emerald Color
Category

21st Century and Contemporary Brazilian Arts and Crafts Loose Gemstones

Materials

Amethyst, Citrine

11.35 Carat Natural Loose Ametrine \ Bolivianite Cushion Shape Gemstone
Located in Peshawar, PK
Faceted Ametrine Weight: 11.35 Carats Dimension: 15.7 x 11.5 x 8.7 Mm Origin: Bolivia Color
Category

21st Century and Contemporary Brazilian Arts and Crafts Loose Gemstones

Materials

Amethyst, Citrine

7.15 Carat Natural Loose Ametrine \ Bolivianite Emerald Shape Gemstone
Located in Peshawar, PK
Faceted Ametrine Weight: 7.15 Carats Dimension: 15.5 x 9.4 x 6.5 Mm Origin: Bolivia Color: Purple
Category

21st Century and Contemporary Bolivian Arts and Crafts Loose Gemstones

Materials

Amethyst, Citrine

12.60 Carat Natural Loose Ametrine \ Bolivianite Emerald Shape Gemstone
Located in Peshawar, PK
Faceted Ametrine Weight: 12.60 Carats Dimension: 14.8 x 12.5 x 9 Mm Origin: Bolivia Color: Purple
Category

21st Century and Contemporary Bolivian Arts and Crafts Loose Gemstones

Materials

Amethyst, Citrine

10.25 Carat Natural Loose Ametrine Square Cushion Shape Gem
Located in Peshawar, PK
Faceted Ametrine Weight: 10.25 Carats Dimension: 14.3 x 14.2 x 9.8 Mm Origin: Brazil Color: Purple
Category

21st Century and Contemporary Brazilian Arts and Crafts Loose Gemstones

Materials

Amethyst, Citrine

9.80 Carat Natural Loose Ametrine Lot For Jewellery Making
Located in Peshawar, PK
Faceted Ametrine Lot Weight: 9.80 Carats Sizes: 1.90 To 3.00 Carats Origin: Brazil Color: Purple
Category

21st Century and Contemporary Brazilian Arts and Crafts Loose Gemstones

Materials

Amethyst, Citrine

26.50 Carat Natural Loose Ametrine Modify Cushion Cut Gemstone
Located in Peshawar, PK
Faceted Ametrine Weight: 26.50 Carats Dimension; 21 x 20 x 12.8 Mm Origin: Brazil Color: Purple
Category

21st Century and Contemporary Brazilian Arts and Crafts Loose Gemstones

Materials

Citrine, Amethyst

3.45 Carat Natural Loose Ametrine / Bolivianite Cushion Shape Gem
Located in Peshawar, PK
Faceted Ametrine Weight: 3.45 Carats Dimension; 9.3 x 8.7 x 6.1 Mm Origin: Brazil Color: Purple
Category

21st Century and Contemporary Brazilian Arts and Crafts Loose Gemstones

Materials

Amethyst, Citrine

13.45 Carat Natural Loose Ametrine Pair Cushion Shape Gemstone
Located in Peshawar, PK
Faceted Ametrine Pair Weight: 13.45 Carats Dimension; 12.1 x 10 x 8.1 Mm And
Category

21st Century and Contemporary Brazilian Arts and Crafts Loose Gemstones

Materials

Amethyst, Citrine

5.25 Carat Natural Loose Ametrine Long Cushion Shape Gemstone
Located in Peshawar, PK
Faceted Ametrine Weight: 5.25 Carats Dimension; 12.9 x 9.6 x 6.5 Mm Origin: Brazil Color: Purple
Category

21st Century and Contemporary Brazilian Arts and Crafts Loose Gemstones

Materials

Amethyst, Citrine

13.40 Carat Natural Loose Ametrine Hexagon Cut Gemstone From Jewellery
Located in Peshawar, PK
Faceted Ametrine Weight: 13.40 Carats Dimension; 24 x 12.5 x 9.1 Mm Origin: Brazil Color: Purple
Category

21st Century and Contemporary Brazilian Arts and Crafts Loose Gemstones

Materials

Amethyst, Citrine

5.85 Carat Natural Loose Ametrine Cushion Shape Gem For Jewellery
Located in Peshawar, PK
Faceted Ametrine Weight: 5.85 Carats Dimension; 11.3 x 10.7 x 7.8 Mm Origin: Brazil Color: Purple
Category

21st Century and Contemporary Brazilian Arts and Crafts Loose Gemstones

Materials

Amethyst, Citrine

6.40 Carat Pretty Loose Ametrine Emerald Shape Gem For Jewellery
Located in Peshawar, PK
Faceted Ametrine Weight: 6.40 Carats Dimension; 11.4 x 10 x 6.7 Mm Origin: Brazil Color: Purple
Category

21st Century and Contemporary Brazilian Arts and Crafts Loose Gemstones

Materials

Amethyst, Citrine

7.05 Carat Natural Loose Ametrine Emerald Shape Gem For Jewellery
Located in Peshawar, PK
Faceted Ametrine Weight: 7.05 Carats Dimension; 12.2 x 10.8 x 8.2 Mm Origin: Brazil Color: Purple
Category

21st Century and Contemporary Brazilian Arts and Crafts Loose Gemstones

Materials

Citrine, Amethyst

Purple Yellow 17.80 Carat Loose Ametrine Emerald Shape from Bolivia
Located in Peshawar, PK
Faceted Ametrine Weight: 17.80 Carats Dimension: 17.7x12.5x10.3 Mm Origin: Bolivia Color: Purple
Category

21st Century and Contemporary Bolivian Arts and Crafts Loose Gemstones

Materials

Amethyst, Citrine

Beautiful 8.50 Carat Dual Loose Ametrine Emerald Shape Gem For Earrings
Located in Peshawar, PK
Faceted Dual Ametrine Weight: 8.50 Carats Sizes: 4.15 And 4.35 Carat Origin: Brazil Color: Purple
Category

21st Century and Contemporary Brazilian Arts and Crafts Loose Gemstones

Materials

Amethyst, Citrine

Huge 11.55 Carat Natural Loose Ametrine Emerald Shape Gem For Necklace
Located in Peshawar, PK
Faceted Ametrine Weight: 11.55 Carats Dimension; 17.7 x 10.3 x 8.7 Mm Origin: Brazil Color: Purple
Category

21st Century and Contemporary Brazilian Arts and Crafts Loose Gemstones

Materials

Amethyst, Citrine

3.75 Carat Natural Loose Ametrine Pieces Cushion Shape Gem For Earrings
Located in Peshawar, PK
Faceted Ametrine Pieces Weight: 3.75 Carats Sizes: 1.85 to 1.95 Carat Origin: Brazil Color
Category

21st Century and Contemporary Brazilian Arts and Crafts Loose Gemstones

Materials

Citrine, Amethyst

6.65 Carat Natural Loose Ametrine Cushion Shape Gem From Brazilian Mine
Located in Peshawar, PK
Faceted Ametrine Weight: 6.65 Carats Dimension; 12.3 x 10.5 x 7.7 Mm Origin: Brazil Color: Purple
Category

21st Century and Contemporary Brazilian Arts and Crafts Loose Gemstones

Materials

Amethyst, Citrine

7.40 Carat Natural Loose Ametrine Oval Shape Gem For Jewellery Making
Located in Peshawar, PK
Faceted Ametrine Weight: 7.40 Carats Dimension; 13.9 x 10.4 x 8.1 Mm Origin: Brazil Color: Purple
Category

21st Century and Contemporary Brazilian Arts and Crafts Loose Gemstones

Materials

Amethyst, Citrine

7.10 Carat Natural Loose Ametrine Emerald Shape Gem For Jewellery Making
Located in Peshawar, PK
Faceted Ametrine Weight: 7.10 Carats Dimension; 15.2 x 8.5 x 7.1 Mm Origin: Brazil Color: Purple
Category

21st Century and Contemporary Brazilian Arts and Crafts Loose Gemstones

Materials

Citrine, Amethyst

6.55 Carat Natural Loose Ametrine Emerald Shape Gemstone From Brazil Mine
Located in Peshawar, PK
Faceted Ametrine Weight: 6.55 Carats Dimension; 11.2 x 10.2 x 8 Mm Origin: Brazil Color: Purple
Category

21st Century and Contemporary Brazilian Arts and Crafts Loose Gemstones

Materials

Amethyst, Citrine

6.70 Carat Natural Loose Ametrine Emerald Shape Gem For Jewellery Making
Located in Peshawar, PK
Faceted Ametrine Weight: 6.70 Carats Dimension; 13.9 x 8.8 x 6.7 Mm Origin: Brazil Color: Purple
Category

21st Century and Contemporary Brazilian Arts and Crafts Loose Gemstones

Materials

Other

11.65 Carat Natural Loose Ametrine Pair Emerald Shape Gem For Earrings
Located in Peshawar, PK
Faceted Ametrine Pair Weight: 11.65 Carats Sizes: 5.85 To 5.75 Carats Dimension; 10.9 x 10.1 x 7.5
Category

21st Century and Contemporary Brazilian Arts and Crafts Loose Gemstones

Materials

Amethyst, Citrine

13.65 Carat Natural Loose Ametrine Pair Cushion Shape Gem For Earrings
Located in Peshawar, PK
Faceted Ametrine Pair Weight: 13.65 Carats Sizes: 6.70 And 6.90 Carat Dimension: 10.9 x 10.1 x
Category

21st Century and Contemporary Brazilian Arts and Crafts Loose Gemstones

Materials

Amethyst, Citrine

7.50 Carat Natural Loose Ametrine Square Shape Gem From Brazilian Mine
Located in Peshawar, PK
Faceted Ametrine Weight: 7.50 Carats Dimension; 11 x 11.6 x 7.4 Mm Origin: Brazil Color: Purple
Category

21st Century and Contemporary Brazilian Arts and Crafts Loose Gemstones

Materials

Other

7.40 Carat Natural Loose Ametrine Oval Shape Gem For Jewellery Making
Located in Peshawar, PK
Faceted Ametrine Weight: 7.40 Carats Dimension; 14.5 x 10.5 x 7.2 Mm Origin: Brazil Color: Purple
Category

21st Century and Contemporary Brazilian Arts and Crafts Loose Gemstones

Materials

Other

7.05 Carat Natural Loose Ametrine Emerald Shape Gem For Necklace Jewellery
Located in Peshawar, PK
Faceted Ametrine Weight: 7.05 Carats Dimension; 15.2 x 8.5 x 7.2 Mm Origin: Brazil Color: Purple
Category

21st Century and Contemporary Brazilian Arts and Crafts Loose Gemstones

Materials

Other

7.45 Carat Natural Loose Ametrine Emerald Shape Gem For Jewellery Making
Located in Peshawar, PK
Faceted Ametrine Weight: 7.45 Carats Dimension; 12.4 x 9.6 x 8.5 Mm Origin: Brazil Color: Purple
Category

21st Century and Contemporary Brazilian Arts and Crafts Loose Gemstones

Materials

Other

3.40 Carat Natural Loose Ametrine Cushion Shape Gem For Jewellery Making
Located in Peshawar, PK
Faceted Ametrine Weight: 3.40 Carats Dimension; 10.3 x 8.1 x 6.3 Mm Origin: Brazil Color: Purple
Category

21st Century and Contemporary Brazilian Arts and Crafts Loose Gemstones

Materials

Other

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Loose Ametrine For Sale on 1stDibs

Find the exact loose ametrine you’re shopping for in the variety available on 1stDibs. Our collection of these items for sale includes 1 vintage editions and 11 modern creations to choose from as well. If you’re looking for a loose ametrine from a specific time period, our collection is diverse and broad-ranging, and you’ll find at least one that dates back to the 20th Century while another version may have been produced as recently as the 21st Century. There have been many well-made iterations of the classic loose ametrine over the years, but those made by Gems and Jewels UK and Sarosi By Timeless Gems are often thought to be among the most beautiful. A loose ametrine can be a stylish choice for most occasions, but amethyst rings, from our inventory of 6, can add a particularly distinctive touch to your look, day or night. Today, if you’re looking for an emerald cut version of this piece and are unable to find the perfect match, our selection also includes heart cut alternatives. If you’re browsing our inventory for a loose ametrine, you’ll find that many are available today for men, but there are still pieces to choose from for unisex and women.

How Much is a Loose Ametrine?

On average, a loose ametrine at 1stDibs sells for $295, while they’re typically $68 on the low end and $620 for the highest priced versions of this item.

Finding the Right Loose-gemstones for You

Are you shopping for diamonds and other loose gemstones to create your own custom jewelry? 

Why might you purchase a diamond or gemstone “loose” — that is, on its own, not mounted in a piece of jewelry? Perhaps you’re a connoisseur looking to acquire a unique investment. The scarcity of high-quality colored diamonds, for instance, especially pink diamonds, means that their value increases over time; the same is true of rare Kashmir sapphires and Burmese rubies. Far rarer than diamonds, Paraiba tourmaline, discovered only in the 1980s, is treasured as much for its extraordinary color as its scarcity, both of which contribute to its high value.

A more common scenario would be that you’re hoping to create a very special piece of custom jewelry, such as an engagement ring or a milestone-birthday present, and want to personally select the most beautiful, unusual, or ultra-rare stone you can find and afford. Doing so adds to the romance and substance of the gift and can be a part of the story told as the jewel is passed from generation to generation.

If this sounds like you, read on for tips on becoming one of the world’s savviest gem hunters.

Educate yourself: When buying any piece of gem-set fine jewelry, you should familiarize yourself with the factors that determine a stone’s price. This will enable you to streamline your search for the perfect gem and have intelligent, productive conversations with sellers.

There is a wealth of information online, such as our diamond-buying guide and this overview of colored gemstones for engagement rings. The buying guides of the Gemological Institute of America (GIA), searchable by stone type, are also a widely trusted source for consumers venturing into the world of diamonds and gems for the first time.

Vet your vendor: If you peruse 1stDibs with any regularity, you know there is no shortage of vendors who deal in top-quality loose gemstones. (Read about our vetted sellers.) Finding a trustworthy, established dealer may be as easy as getting a recommendation from friends or family. And, although it may sound obvious, it pays to Google your candidates — and consult customer reviews — before making contact.

Harakh Mehta, designer and founder of the Mumbai, India–based fine-jewelry brand Harakh, has an innate understanding of proper client relations, especially when the customer is in unfamiliar territory. “Start chatting with the dealer, get to know them better," he says. "It’s very important to establish a comfort level. We never push a sale, as we want it to be a carefully considered purchase. So, if the client is not in a rush, we do it over a few virtual meetings or phone calls.”

Request documentation: The best dealers go to great lengths to furnish clients with documents verifying the quality rating, natural origin and provenance of a stone — showing, for example, that loose emerald hails from the famous Muzo mine in Colombia — and disclosing any treatments applied to enhance its appearance. (And who doesn't love emerald jewelry? The most valuable emeralds are the ones that have a deep bluish-green to true green color and no visible inclusions.)

If no grading report is available for a stone you are interested in, the dealer should be able to provide an authenticity document, such as an appraisal or info sheet, that has been signed by an in-house gemologist or professional appraiser. Google those names, too, for extra peace of mind.

Ask for videos and visuals: When transacting with a gem dealer online, you should always request real-time videos and photographs, since professional photos of a stone, usually on a white background, have likely been retouched for optimal presentation.

Read more about how to buy loose gemstones and find your dream gems today on 1stDibs.