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Blue Tourmaline Loose Stone

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Greenish Blue Natural Tourmaline Stone 4.87 Carats Loose Tourmaline For Ring
Located in Bangkok, TH
Greenish Blue Natural Tourmaline stone for jewelry, available for sale at wholesale price, Flawless
Category

21st Century and Contemporary South African Modern Loose Gemstones

Materials

Tourmaline

3.21 Carats Loose Blue Tourmaline Stone Cushion Cut Natural Afghan Gemstone
Located in Bangkok, TH
Cut Step Cushion The 3.21 carats Blue Tourmaline Stone is a captivating and exquisite gemstone
Category

21st Century and Contemporary Afghan Modern Loose Gemstones

Materials

Tourmaline

3.20 Carats Lagoon Blue Loose Tourmaline Stone Cushion Cut Afghani Gemstone
Located in Bangkok, TH
cushion Cut fancy cushion The stunning 3.20 carat Lagoon Blue Tourmaline Stone showcases the
Category

21st Century and Contemporary Afghan Modern Loose Gemstones

Materials

Tourmaline

1.33 Carat Brazilian Paraiba Tourmaline Loose Stone
Located in Carefree, AZ
A beautiful Blue Green Brazilian Paraiba Tourmaline from the original mine in Brazil...Mina da
Category

Early 2000s Brazilian Artist Loose Gemstones

Materials

Tourmaline, Paraiba

3.80 Carats Greenish Blue Loose Tourmaline Stone Cushion Cut Afghan Gemstone
Located in Bangkok, TH
cushion Cut fancy cushion The 3.80 carat Greenish Blue Tourmaline stone, meticulously cut into a
Category

21st Century and Contemporary Afghan Modern Loose Gemstones

Materials

Tourmaline

3.96 Carats Natural Loose Tourmaline Stone Pair Cushion Cut Afghan Gemstone
Located in Bangkok, TH
cushion Cut fancy cushion The 3.96 carat Natural Tourmaline stone pair, meticulously cut into a
Category

21st Century and Contemporary Afghan Modern Loose Gemstones

Materials

Tourmaline

4.55 Carats Natural Loose Electric Blue Indicolite Tourmaline Gem
Located in Peshawar, PK
Loose Indicolite Tourmaline Weight: 4.55 Carats Dimension: 12.2x7.8x5.4 Mm Origin: Kunar
Category

21st Century and Contemporary Afghan Art Deco Loose Gemstones

Materials

Indicolite, Tourmaline

Beautiful Greenish Blue Tourmaline Stone 1.25 Carats Tourmaline Gemstone Jewelry
Located in Bangkok, TH
Beautiful Greenish Blue Tourmaline Stone of 1.25 carats from Afghanistan has a wonderful cut in a
Category

21st Century and Contemporary Afghan Modern Loose Gemstones

Materials

Tourmaline

Soft Blue Tourmaline From Africa 2.30 Carats Natural Tourmaline Stone
Located in Bangkok, TH
Soft Blue Tourmaline From Africa of 2.30 carats from Africa has a wonderful cut in a Octagon shape
Category

21st Century and Contemporary South African Modern Loose Gemstones

Materials

Tourmaline

3.05 Carats Sea Form Loose Tourmaline Stone Pair Round Cut Afghan Gemstones
Located in Bangkok, TH
clean Shape round Cut round brilliant This exquisite pair of Afghan tourmaline gemstones, each
Category

21st Century and Contemporary Afghan Modern Loose Gemstones

Materials

Tourmaline

14.95 Carats Natural Loose Blue Indicolite Tourmaline Gemstone Emerald Shape
Located in Peshawar, PK
Loose Indicolite Tourmaline Weight: 14.95 Carats Dimension: 16.8x11.3x8.7 Mm Origin: Kunar
Category

21st Century and Contemporary Afghan Aesthetic Movement Loose Gemstones

Materials

Indicolite, Tourmaline

3.25 carats Lagoon Blue Loose Tourmaline Cushion Cut Natural Afghan Gemstone
Located in Bangkok, TH
. tourmaline tourmaline stone tourmaline jewellery blue tourmaline tourmaline for sale tourmaline price
Category

21st Century and Contemporary Afghan Modern Loose Gemstones

Materials

Tourmaline

Tiffany Blue Loose Tourmaline 1.65 Carats Baguette Cut Natural Afghan Gemstone
Located in Bangkok, TH
elegance. tourmaline paraiba tourmaline tourmaline stone tourmaline birthstone tourmaline jewellery blue
Category

21st Century and Contemporary Afghan Modern Loose Gemstones

Materials

Tourmaline

4.61 carats Loose Greenish Blue Tourmaline Cushion Cut Natural Afghani Gemstone
Located in Bangkok, TH
blue tourmaline tourmaline gemstone green tourmaline stone tourmaline price
Category

21st Century and Contemporary Afghan Modern Loose Gemstones

Materials

Tourmaline

5.09 Carats Loose Greenish Blue Tourmaline Pair Emerald Cut Afghan Gemstones
Located in Bangkok, TH
Shape octagon Cut emerald This exquisite pair of fine quality Greenish Blue Tourmaline gemstones
Category

21st Century and Contemporary Afghan Modern Loose Gemstones

Materials

Tourmaline

Lagoon Blue Loose Tourmaline 1.60 Carats Emerald Cut Natural Afghan Gemstone
Located in Bangkok, TH
paraiba tourmaline tourmaline stone tourmaline birthstone tourmaline jewellery blue tourmaline indicolite
Category

21st Century and Contemporary Afghan Modern Loose Gemstones

Materials

Tourmaline

4.97 carats Greenish Blue Loose Tourmaline Cushion Cut Natural Afghani Gemstone
Located in Bangkok, TH
exquisite gemstone. tourmaline tourmaline stone green tourmaline tourmaline jewellery blue tourmaline
Category

21st Century and Contemporary Afghan Modern Loose Gemstones

Materials

Tourmaline

Greenish Blue Tourmaline 2.70 carats Emerald Cut Natural Afghani Loose Gemstone
Located in Bangkok, TH
Greenish Blue Tourmaline, a 2.70 carat gemstone of unrivaled natural beauty. This Afghani treasure boasts
Category

21st Century and Contemporary Afghan Modern Loose Gemstones

Materials

Tourmaline

Neon Blue Loose Tourmaline 1.65 Carats Scissors Cut Natural Afghan Gemstone
Located in Bangkok, TH
tourmaline stone tourmaline birthstone tourmaline jewellery blue tourmaline tourmaline gemstone green
Category

21st Century and Contemporary Afghan Modern Loose Gemstones

Materials

Tourmaline

3.40 Carat Marvellous Natural Loose Blue Green Tourmaline Cushion Shape Gemstone
Located in Peshawar, PK
Loose Blue Green Tourmaline Weight: 3.40 Carats Dimension: 9.2 x 7.2 x 6.2Mm Colour: Blue Green
Category

21st Century and Contemporary Afghan Arts and Crafts Loose Gemstones

Materials

Tourmaline

Natural Bicolor Tourmaline Stone 3.80 Carats Tourmaline Stone for Jewellery
Located in Bangkok, TH
Tourmaline Stone Tourmaline Loose Gemstone Cuttingstone Facetedrough Cleanstone Gemstoneforjewelry
Category

21st Century and Contemporary Afghan Modern Loose Gemstones

Materials

Tourmaline

2.40 Carat Natural Loose Blue Seafoam Tourmaline Long Cushion Shape Gemstone
Located in Peshawar, PK
Loose Blue Seafoam Tourmaline Weight: 2.40 Carats Dimension: 10.6 x 6.1 x 4.1 Mm Colour: Blue
Category

21st Century and Contemporary Afghan Arts and Crafts Loose Gemstones

Materials

Tourmaline

Natural Indicolite Tourmaline Stone 2.45 Carats Tourmaline Stone for Jewellery
Located in Bangkok, TH
Tourmaline Stone Tourmaline Loose Gemstone Cuttingstone Facetedrough Cleanstone Gemstoneforjewelry
Category

21st Century and Contemporary Afghan Modern Loose Gemstones

Materials

Tourmaline, Indicolite

Greenish Blue Fancy Cut Tourmaline Gem 1.65 Carats Tourmaline Stone For Jewelry
Located in Bangkok, TH
Greenish Blue Fancy Cut Tourmaline Gem, Available For Sale At Wholesale Price Natural High Quality
Category

21st Century and Contemporary Afghan Modern Loose Gemstones

Materials

Tourmaline

28.75 Cts Natural Loose Blue Green Bicolor Tourmaline For Necklace Jewellery
Located in Peshawar, PK
: Bicolor Blue Green Treatment: Non Shape: Emerald Certificate: on customer demand . Bicolour tourmaline
Category

21st Century and Contemporary Afghan Arts and Crafts Loose Gemstones

Materials

Tourmaline

2.50 Carat Natural Loose Blue Indicolite Tourmaline Ring Gemstone Emerald Shape
Located in Peshawar, PK
Loose Tourmaline Weight: 2.50 Carats Dimension: 8.5x6.5x4.5 Mm Origin: Afghanistan Shape
Category

21st Century and Contemporary Afghan Arts and Crafts Loose Gemstones

Materials

Tourmaline, Indicolite

The Gorgeous Color Loose Natural Blue Bicolor Tourmaline Gemstone 7.50 Carats
Located in Peshawar, PK
, resembling a watermelon slice. Other popular types include "Paraíba tourmaline," known for its vivid blue
Category

21st Century and Contemporary Afghan Arts and Crafts Loose Gemstones

Materials

Tourmaline

Gorgeous Indicolite Tourmaline Stone 2.15 Carats Tourmaline Stone for Jewellery
Located in Bangkok, TH
Ring Tourmaline Necklace Tourmaline Bracelets Tourmaline Stone Tourmaline Loose Gemstone Cuttingstone
Category

21st Century and Contemporary Congolese Modern Loose Gemstones

Materials

Tourmaline, Indicolite

5.25 Carat Natural Loose Blue Seafoam Tourmaline Cushion Cut Ring Gemstone
Located in Peshawar, PK
Faceted Tourmaline Weight: 5.25 Carats Dimension: 12x10.4x6.1 Mm Origin: Afghanistan Shape
Category

Antique Late 19th Century Afghan Art Deco Loose Gemstones

Materials

Indicolite, Tourmaline

3.70 Carat Natural Loose Ink Blue Tourmaline Cushion Shape Gem For Jewellery
Located in Peshawar, PK
Loose Ink Blue Tourmaline Weight: 3.70 Carats Dimension: 10 x 7.6 x 6.6 Mm Colour: Ink Blue Origin
Category

21st Century and Contemporary Afghan Arts and Crafts Loose Gemstones

Materials

Tourmaline

Rare Color 5.05 Carat Natural Loose Blue Seafoam Tourmaline Emerald Shape Gem
Located in Peshawar, PK
Loose Blue Seafoam Tourmaline Weight: 5.05 Carats Dimension: 15.5 x 6.5 x 5.6 Mm Colour: Blue
Category

21st Century and Contemporary Afghan Arts and Crafts Loose Gemstones

Materials

Tourmaline

0.90 Carat Natural Loose Ink Blue Tourmaline Cushion Shape Gem For Jewellery
Located in Peshawar, PK
Loose Ink Blue Tourmaline Weight: 0.90 Carats Dimension: 7.9 x 5.5 x 3 Mm Colour: Ink Blue Origin
Category

21st Century and Contemporary Afghan Arts and Crafts Loose Gemstones

Materials

Tourmaline

Intense Ink Indigo Blue Loose Tourmaline 1.35 Carat with Cushion Shape Gem
Located in Peshawar, PK
Blue Indicolite Tourmaline Weight : 1.35 Carats Dimensions : 7.2x5.9x4.8 Mm Origin : Kunar
Category

Antique 17th Century Afghan Arts and Crafts Loose Gemstones

Materials

Indicolite, Tourmaline

3.05 Carat Emerald Cut Natural Loose Open Green Loose Tourmaline Ring Gemstone
Located in Peshawar, PK
Loose Tourmaline Weight: 3.05 Carats Dimension: 10.3x6.3x5.4 Mm Origin: Kunar Afghanistan Shape
Category

21st Century and Contemporary Afghan Arts and Crafts Loose Gemstones

Materials

Tourmaline

6.97 Carats blue Tourmaline Octagon Faceted cut stone Natural Gemstone
Located in Jaipur, RJ
6.97 Carats greenish blue Tourmaline Octagon Faceted cut stone Natural Gemstone Gemstone
Category

21st Century and Contemporary Nigerian Art Deco Loose Gemstones

Materials

Tourmaline

2.75 Carat Natural Loose Blue Green Tourmaline Cushion Shape Gem From Earth Mine
Located in Peshawar, PK
Loose Blue Green Tourmaline Weight: 2.75 Carats Dimension: 7.3 x 7.3 x 6.8 Mm Colour: Blue Green
Category

21st Century and Contemporary Afghan Arts and Crafts Loose Gemstones

Materials

Tourmaline

12.60 Carats Greenish Blue Tourmaline Stone Cushion Cut Natural Afghani Gemstone
Located in Bangkok, TH
Blue Tourmaline Stone takes center stage in this remarkable gem. Meticulously crafted into a cushion
Category

21st Century and Contemporary Afghan Modern Loose Gemstones

Materials

Tourmaline

4.27 Carats Greenish Blue Tourmaline Stone Cushion Cut Natural Afghani Gemstone
Located in Bangkok, TH
clean Shape octagon Cut emerald The exquisite beauty of a 4.27 carats Greenish Blue Tourmaline
Category

21st Century and Contemporary Afghan Modern Loose Gemstones

Materials

Tourmaline

2.42 Carats greenish blue Tourmaline pear Faceted cut stone Natural Gemstone
Located in Jaipur, RJ
2.42 Carats greenish blue Tourmaline pear Faceted cut stone Natural Gemstone Gemstone - Tourmaline
Category

21st Century and Contemporary Nigerian Art Deco Loose Gemstones

Materials

Tourmaline

3.25 Carats Greenish Blue Tourmaline Stone Cushion Cut Natural Afghani Gemstone
Located in Bangkok, TH
Shape cushion Cut fancy cushion The exquisite beauty of a 3.25 carats Greenish Blue Tourmaline
Category

21st Century and Contemporary Afghan Modern Loose Gemstones

Materials

Tourmaline

18.72 Carats greenish blue Tourmaline Octagon Faceted cut stone Natural Gemstone
Located in Jaipur, RJ
18.72 Carats greenish blue Tourmaline Octagon Faceted cut stone Natural Gemstone Gemstone
Category

21st Century and Contemporary Nigerian Art Deco Loose Gemstones

Materials

Tourmaline

6.25 Carat Greenish Blue Tourmaline Stone Set Natural Gemstones From Afghanistan
Located in Bangkok, TH
remarkable piece of nature's artistry, the 6.25 Carats Greenish Blue Tourmaline Stone Set, sourced directly
Category

21st Century and Contemporary Afghan Modern Loose Gemstones

Materials

Tourmaline

Greenish Blue Tourmaline Stone 1.90 Carats Step Cushion Cut Afghan Gemstone
Located in Bangkok, TH
Cushion The Greenish Blue Tourmaline, boasting a substantial weight of 1.90 carats, is a gemstone that
Category

21st Century and Contemporary Afghan Modern Loose Gemstones

Materials

Tourmaline

3.10 Carat Natural Loose Bright Green Tourmaline Emerald Shape
Located in Peshawar, PK
Loose Mint Green Tourmaline Weight: 3.10 Carats Dimension: 9.3 x 6.8 x 5.2 Mm Colour: Mint Green
Category

21st Century and Contemporary Afghan Arts and Crafts Loose Gemstones

Materials

Tourmaline

3.10 Carat Natural Loose Bright Green Tourmaline Emerald Shape
3.10 Carat Natural Loose Bright Green Tourmaline Emerald Shape
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W 0.27 in D 0.21 in L 0.37 in
2.40 Carat Natural Loose Dual Tourmaline For Jewellery Making
Located in Peshawar, PK
Loose Dual Tourmaline Weight: 6.80 Carats Dimension: 6.7 x 5.2 x 3.9 Mm And 8.5 x 5.4 x 3.7 Mm
Category

21st Century and Contemporary Afghan Arts and Crafts Loose Gemstones

Materials

Tourmaline

Top Quality 9.35 Carat Natural Loose Indicolite Tourmaline Gemstone
Located in Peshawar, PK
Loose Indicolite Tourmaline Weight: 9.35 Carats Dimension: 13.2 x 10.2 x 7.8 Mm Colour: Blue Origin
Category

21st Century and Contemporary Afghan Arts and Crafts Loose Gemstones

Materials

Indicolite, Tourmaline

5.20 Carat Natural Loose Bright Green Tourmaline Emerald Shape
Located in Peshawar, PK
Loose Bright Green Tourmaline Weight: 5.20 Carats Dimension: 12.4 x 8.7 x 5.7 Mm Colour: Green
Category

21st Century and Contemporary Afghan Arts and Crafts Loose Gemstones

Materials

Tourmaline

5.20 Carat Natural Loose Bright Green Tourmaline Emerald Shape
5.20 Carat Natural Loose Bright Green Tourmaline Emerald Shape
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W 0.35 in D 0.23 in L 0.49 in
4.95 Carat Natural Loose Tourmaline Lot Gemstone For Jewellery
Located in Peshawar, PK
Loose Tourmaline Lot Weight: 4.95 Carats Sizes: 0.62 To 1.80 Carat Colour: Mint Green And
Category

21st Century and Contemporary Afghan Arts and Crafts Loose Gemstones

Materials

Tourmaline

4.25 Carats Natural Loose Tourmaline Pieces For Jewellery Making
Located in Peshawar, PK
Loose Tourmaline Weight: 4.25 Carats Size: 1.85 , 1.35 , 0.95 Carats Origin: Kunar Afghanistan
Category

21st Century and Contemporary Afghan Arts and Crafts Loose Gemstones

Materials

Tourmaline

8.76 Carats Blue Tourmaline Oval Jewelry Faceted Cut Stone Natural Gemstone
Located in Jaipur, RJ
Gemstone - Tourmaline Weight- 8.76 Carats Shape - Oval Size - 15.5x12x15.5 MM Pieces - 1
Category

21st Century and Contemporary Congolese Art Deco Loose Gemstones

Materials

Tourmaline

3.80 Carat Natural Loose Seafoam Tourmaline Slightly Included Gemstone
Located in Peshawar, PK
Loose Seafoam Tourmaline Weight: 3.80 Carats Dimension: 8.8 x 8.1 x 6.8 Mm Colour: Seafoam Origin
Category

21st Century and Contemporary Afghan Arts and Crafts Loose Gemstones

Materials

Tourmaline

1.45 Carats Natural Loose Mint Green Tourmaline Ring Gemstone
Located in Peshawar, PK
Loose Mint Tourmaline Weight: 1.45 Carats Dimension: 6.1x5.9x5.5 Mm Origin: Kunar Afghanistan
Category

21st Century and Contemporary Afghan Arts and Crafts Loose Gemstones

Materials

Tourmaline

1.45 Carats Natural Loose Mint Green Tourmaline Ring Gemstone
1.45 Carats Natural Loose Mint Green Tourmaline Ring Gemstone
Free Shipping
W 0.24 in D 0.22 in L 0.25 in
9.60 Carat Natural Loose Tourmaline Lot For Jewellery Making
Located in Peshawar, PK
Loose Tourmaline Lot Weight: 9.60 Carats Sizes: 1.25 to 2.20 Carat Colour: Mint Green And White
Category

21st Century and Contemporary Afghan Arts and Crafts Loose Gemstones

Materials

Tourmaline

25.55 Carats Blue Paraiba Tourmaline Oval Cut Stone Fine Jewelry Natural Gem
Located in Jaipur, RJ
25.55 Carats Blue Paraiba Tourmaline Oval Cut Stone Fine Jewelry Natural Gem Gemstone - Paraiba
Category

21st Century and Contemporary Mozambican Art Deco Loose Gemstones

Materials

Tourmaline, Paraiba

Glowing Indicolite Tourmaline 1.80 Carats Emerald Cut Loose Pakistani Gemstone
Located in Bangkok, TH
our 1.80 carat Indicolite Tourmaline. Meticulously cut in an elegant emerald cut, this loose gemstone
Category

21st Century and Contemporary Afghan Modern Loose Gemstones

Materials

Tourmaline, Indicolite

15.90 Carats Blue Cat’s Eye Tourmaline Stone Oval Cut Natural Afghan Gemstone
Located in Bangkok, TH
Translucent Shape oval Cut cabochon The 15.90 carats Blue Cat’s Eye Tourmaline Stone is a mesmerizing
Category

21st Century and Contemporary Afghan Modern Loose Gemstones

Materials

Tourmaline, Cat’s Eye

4.72 Carat Paraiba Tourmaline Oval, Unset Loose Gemstone, GIA Certified
By Sarosi By Timeless Gems
Located in Los Angeles, CA
This exceptionally bright, "Windex" blue tourmaline is a perfect example of why paraiba tourmalines
Category

21st Century and Contemporary Artisan Loose Gemstones

Materials

Tourmaline, Paraiba

Gorgeous Natural Loose Tourmaline Ring Gem 1.80 Carats Afghanistan Mine
Located in Peshawar, PK
: Emerald Treatment: Non Color: Blue Green Loose tourmaline gemstones come in a dazzling array of colors
Category

21st Century and Contemporary Afghan Anglo-Indian Loose Gemstones

Materials

Tourmaline

Certified 4.11 Carats Blue Paraiba Tourmaline Oval Cut Stone for Fine Jewelry
Located in Jaipur, RJ
Exceptional 4.11 Paraiba Tourmaline Cut Stone for Fine Jewelry Gemstone - Paraiba Tourmaline Size
Category

21st Century and Contemporary Mozambican Art Deco Loose Gemstones

Materials

Tourmaline, Paraiba

Certified 15.06 Carats Blue Paraiba Tourmaline Oval Cut Stone for Fine Jewelry
Located in Jaipur, RJ
Exceptional 15.06 Paraiba Tourmaline Cut Stone for Fine Jewelry Gemstone - Paraiba Tourmaline Size
Category

21st Century and Contemporary Mozambican Art Deco Loose Gemstones

Materials

Tourmaline, Paraiba

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Blue Tourmaline Loose Stone For Sale on 1stDibs

Surely you’ll find the exact blue tourmaline loose stone you’re seeking on 1stDibs — we’ve got a vast assortment for sale. Frequently made of silver, sterling silver and gold, this item was constructed with great care. In our selection of items, you can find a vintage example as well as a contemporary version. You’re likely to find the perfect blue tourmaline loose stone among the distinctive items we have available, which includes versions made as long ago as the 18th Century as well as those produced as recently as the 21st Century. Finding an appealing blue tourmaline loose stone — no matter the origin — is easy, but Martha Seely, Sarosi By Timeless Gems and Gems and Jewels UK each produced a popular version that is worth a look. A brilliant cut version of this piece has appeal, but there are also cushion cut and emerald cut versions for sale. Finding a blue tourmaline loose stone for sale for women should be easy, but there are 30 pieces available to browse for unisex as well as men, too.

How Much is a Blue Tourmaline Loose Stone?

Prices for a blue tourmaline loose stone can differ depending upon size, time period and other attributes — at 1stDibs, these accessories begin at $62 and can go as high as $165,200, while this accessory, on average, fetches $1,446.

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.