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Green Tourmaline Loose Stone

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Adorable Natural Green Tourmaline Stone 1.55 Cts Loose Tourmaline for Jewelry
Located in Bangkok, TH
Adorable Natural Green Tourmaline Stone, Available For Sale At Wholesale Price Natural High Quality
Category

21st Century and Contemporary Afghan Modern Loose Gemstones

Materials

Tourmaline

1.20 Carat Paraiba Tourmaline Loose Stone in Nylon Green and Blue
Located in London, GB
1.20 Carat Paraiba Tourmaline Loose stone in Nylon Green and Blue Website video uploading might
Category

2010s Loose Gemstones

Materials

Tourmaline, Paraiba

8.38 Carats Loose Green Tourmaline Stone Scissors Cut Natural Afghan Gemstone
Located in Bangkok, TH
clean Shape octagon Cut scissors The Green Tourmaline Stone you possess is a captivating gem of
Category

21st Century and Contemporary Afghan Modern Loose Gemstones

Materials

Tourmaline

1.15 Carats Loose Green Tourmaline Stone Emerald Cut Natural Afghan Gemstone
Located in Bangkok, TH
Shape octagon Cut emerald The exquisite Green Tourmaline stone, boasting a weight of 1.15 carats
Category

21st Century and Contemporary Afghan Modern Loose Gemstones

Materials

Tourmaline

4 Carat Natural Bi Color Tourmaline Loose stone in Green and White
Located in London, GB
4 Carat Natural Bi Color Tourmaline Loose stone in Green and White GRS/GCS/GIA appointed lab
Category

2010s 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

Excellent Mint Green Loose Tourmaline Stone 1.05 Carats Fine Jewelry Fine Gems
Located in Bangkok, TH
Excellent Mint Green Loose Tourmaline Stone, Available For Sale At Wholesale Price Natural High
Category

21st Century and Contemporary Afghan Modern Loose Gemstones

Materials

Tourmaline

4.53 Carat Natural Bi Color Watermelon Tourmaline Loose stone in Pink and Green
Located in London, GB
4.53 Carat Natural Bi Color Watermelon Tourmaline Loose stone in Pink and Green Website video
Category

2010s Loose Gemstones

Materials

Tourmaline

Gorgeous 3.80 Carats Natural Loose Mint Green Tourmaline
Located in Peshawar, PK
Loose Tourmaline Weight: 3.80 Carats Dimension: 10.1x7.8x6.1 Mm Origin: Kunar Afghanistan Shape
Category

21st Century and Contemporary Afghan Arts and Crafts Loose Gemstones

Materials

Tourmaline

Gorgeous 3.80 Carats Natural Loose Mint Green Tourmaline
Gorgeous 3.80 Carats Natural Loose Mint Green Tourmaline
Free Shipping
W 0.31 in D 0.25 in L 0.4 in
GIA Certified 0.63 ct Mozambique Loose Paraiba Tourmaline, Blue-Green Tourmaline
Located in Los Angeles, CA
, uplifting energy. A natural Mozambique Paraiba tourmaline is a beautiful, vibrant stone with a midnight blue
Category

21st Century and Contemporary Mozambican Loose Gemstones

Materials

Tourmaline, Paraiba

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

3.5 Carat Natural Mozambique Tourmaline Octagon Cut - Single Loose Stone
Located in Endwell, NY
This high-quality Mozambique tourmaline exhibits a light shade of bluish-green, reminiscent of the
Category

21st Century and Contemporary African Loose Gemstones

Materials

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
2.69 Carats Loose Chrome Tourmaline Heart Cut Stone Natural African Gemstone
Located in Bangkok, TH
tourmaline for sale chrome tourmaline green tourmaline stone
Category

21st Century and Contemporary African Modern Loose Gemstones

Materials

Tourmaline, Chrome Tourmaline

15.42 Carat Natural Green Tourmaline, Tourmaline Stone, October Birthstone
Located in Los Angeles, CA
Step into the world of stunning gemstones with our 15.42 carats Natural Green Tourmaline. Its
Category

21st Century and Contemporary Brazilian Loose Gemstones

Materials

Tourmaline

AAA Quality 7.35 Carat Loose Green Tourmaline From Afghanistan
Located in Peshawar, PK
Shape: Emerald Color: Green Quality: AAA Certificate: On Demand Green Tourmaline moves healing energy
Category

2010s Afghan Arts and Crafts Loose Gemstones

Materials

Tourmaline

AAA Quality 7.35 Carat Loose Green Tourmaline From Afghanistan
AAA Quality 7.35 Carat Loose Green Tourmaline From Afghanistan
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H 0.5 in W 0.42 in D 0.26 in L 0.5 in
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
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W 0.24 in D 0.22 in L 0.25 in
1.80ct Fine Olive Green Tourmaline Oval Cut Loose Gemstone 8x6.8mm
Located in Birmingham, GB
1.80ct Fine Olive Green Tourmaline Oval Cut Loose Gemstone 8x6.8mm Natural Olive Green Tourmaline
Category

21st Century and Contemporary Loose Gemstones

Materials

Tourmaline

Soft Green Tourmaline Gems 2.05 Carats Tourmaline Stone for Jewellery
Located in Bangkok, TH
Proposal Tourmaline Engagement Tourmaline Bracelets Tourmaline Stone Tourmaline Loose Gemstone Cuttingstone
Category

21st Century and Contemporary Afghan Modern Loose Gemstones

Materials

Tourmaline

Apple Green Tourmaline Gemstone 0.840 Carats Tourmaline Stone for Jewellery
Located in Bangkok, TH
Ring Proposal Tourmaline Engagement Tourmaline Bracelets Tourmaline Stone Tourmaline Loose Gemstone
Category

21st Century and Contemporary Afghan Modern Loose Gemstones

Materials

Tourmaline

2.60 Carats Baby Pink Loose Tourmaline Stone Cushion Cut Afghani Gemstone
Located in Bangkok, TH
jewellery tourmaline gemstone green tourmaline stone tourmaline for sale pink tourmaline jewellery pink
Category

21st Century and Contemporary Afghan Modern Loose Gemstones

Materials

Tourmaline

GIA Certified 0.80 Carat Paraiba Tourmaline, Green-Blue Tourmaline Stone
Located in Los Angeles, CA
, uplifting energy. A natural Mozambique Paraiba tourmaline is a beautiful, vibrant stone with a midnight blue
Category

21st Century and Contemporary Mozambican Loose Gemstones

Materials

Tourmaline, Paraiba

GIA Certified 0.46 Carat Natural Paraiba Tourmaline Loose Stone Oval Shape
Located in Los Angeles, CA
Paraiba tourmaline loose with a stunning color and clarity. Tourmaline Paraiba authentic is a natural
Category

21st Century and Contemporary Mozambican Loose Gemstones

Materials

Tourmaline, Paraiba

Spectacular Grass Green Tourmaline Stone 3.35 Carats
Located in Bangkok, TH
Spectacular Grass Green Tourmaline Gemstone, Available For Sale At Wholesale Price Natural High
Category

21st Century and Contemporary Afghan Modern Loose Gemstones

Materials

Tourmaline

4.10 Carats Natural Loose Bright Green Tourmaline Ring Jewelry Gemstone
Located in Peshawar, PK
Loose Tourmaline Weight: 4.10 Carats Dimension: 8.6x8.2x7 Mm Origin: Kunar Afghanistan Shape
Category

21st Century and Contemporary Afghan Arts and Crafts Loose Gemstones

Materials

Tourmaline

3 Carats Natural Loose Green Tourmaline Pieces For Jewellery Making
Located in Peshawar, PK
Loose Tourmaline Weight: 3.0 Carats Dimension: 10x4.8x3.1 Emerald 7.5x6.2x4.4 cushion Origin
Category

21st Century and Contemporary Afghan Arts and Crafts Loose Gemstones

Materials

Tourmaline

Stunning 3.15 Carats Natural Loose Mint Green Tourmaline Emerald Shape
Located in Peshawar, PK
Loose Tourmaline Weight: 3.15 Carats Dimension: 10.2x5.8x5.8 Mm Origin: Kunar Afghanistan Shape
Category

21st Century and Contemporary Afghan Arts and Crafts Loose Gemstones

Materials

Tourmaline

6.25 Carat Natural Loose Blueish Green Tourmaline Asscher Cut Gem
Located in Peshawar, PK
Loose Bright Green Tourmaline Weight: 6.25 Carats Dimension: 10.1 x 10 x 8.5 Mm Colour: Green
Category

21st Century and Contemporary Afghan Arts and Crafts Loose Gemstones

Materials

Tourmaline

6.65 Carats Asscher Cut Loose Green Seafoam Tourmaline Ring Gem
Located in Peshawar, PK
Loose Tourmaline Weight: 6.65 Carats Dimension: 10.8x10.3x7.9 Mm Origin: Kunar Afghanistan Shape
Category

21st Century and Contemporary Afghan Arts and Crafts Loose Gemstones

Materials

Tourmaline

6.65 Carats Asscher Cut Loose Green Seafoam Tourmaline Ring Gem
6.65 Carats Asscher Cut Loose Green Seafoam Tourmaline Ring Gem
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W 0.41 in D 0.32 in L 0.43 in
Gorgeous Fancy Cut 1.80 Carat Natural Green Loose Tourmaline Gemstone
Located in Peshawar, PK
species. A few may belong to the dravite species. Green Tourmaline is one of the primary stones used by
Category

21st Century and Contemporary Afghan Arts and Crafts Loose Gemstones

Materials

Tourmaline

Gigantic 29.70 Carat Natural Loose Green Tourmaline AAA Quality Afghanistan Mine
Located in Peshawar, PK
, green tourmaline is believed to possess metaphysical properties. It's considered a stone of rejuvenation
Category

21st Century and Contemporary Afghan Arts and Crafts Loose Gemstones

Materials

Tourmaline, Chrome Tourmaline

2.40 Carats Natural Loose Green Tourmaline With Lagoon Shade Emerald Shape
Located in Peshawar, PK
Loose Tourmaline Weight: 2.40 Carats Dimension: 10.1x5.3x4.5 Mm Origin; Kunar Afghanistan Shape
Category

21st Century and Contemporary Afghan Arts and Crafts Loose Gemstones

Materials

Tourmaline, Chrome Tourmaline

Lovely Color Apple Green Tourmaline 4.605 Carats Tourmaline Stone for Jewellery
Located in Bangkok, TH
Lovely Color Apple Green Tourmaline, available for sale at wholesale price, natural high-quality
Category

21st Century and Contemporary Congolese Modern Loose Gemstones

Materials

Tourmaline

Shiny Natural Green Tourmaline Stone 2.05 Carats Afghan Tourmaline for Jewelry
Located in Bangkok, TH
Shiny Natural Green Tourmaline Stone, Available For Sale At Wholesale Price Natural High Quality
Category

21st Century and Contemporary Afghan Modern Loose Gemstones

Materials

Tourmaline

2.60 carats Bi-Color Loose Tourmaline Stone Emerald Cut Natural African Gemstone
Located in Bangkok, TH
. tourmaline tourmaline stone green tourmaline tourmaline birthstone tourmaline jewellery tourmaline price
Category

21st Century and Contemporary African Modern Loose Gemstones

Materials

Tourmaline

1.82 carats Green Chrome Loose Tourmaline Emerald Cut Natural Tanzanian Gemstone
Located in Bangkok, TH
Shape octagon Cut emerald Behold the exquisite allure of a 1.82-carat Green Chrome Tourmaline
Category

21st Century and Contemporary Tanzanian Modern Loose Gemstones

Materials

Tourmaline

Natural Mint Green Loose Tourmaline 2.60 carats Emerald Cut Afghan Gemstone
Located in Bangkok, TH
transformation into a stunning gem. tourmaline paraiba tourmaline tourmaline stone green tourmaline
Category

21st Century and Contemporary Afghan Modern Loose Gemstones

Materials

Tourmaline

Mint Green Loose Tourmaline 1.80 carat Emerald Cut Natural Afghanistani Gemstone
Located in Bangkok, TH
tourmaline tourmaline stone green tourmaline tourmaline birthstone tourmaline jewellery tourmaline gemstone
Category

21st Century and Contemporary Afghan Modern Loose Gemstones

Materials

Tourmaline

Mint Green Tourmaline 6.10 Carats Emerald Cut Natural Afghani Loose Gemstone
Located in Bangkok, TH
color but also authentic origin. tourmaline stone paraiba tourmaline green tourmaline indicolite
Category

21st Century and Contemporary Afghan Modern Loose Gemstones

Materials

Tourmaline

Bluish Green Tourmaline 3.75 carats Emerald Cut Natural Loose African Gemstone
Located in Bangkok, TH
reflecting the play of light with unmatched beauty. tourmaline paraiba tourmaline tourmaline stone green
Category

21st Century and Contemporary African Modern Loose Gemstones

Materials

Tourmaline

Bluish Green Tourmaline 3.20- carats Cushion Cut Natural Loose African Gemstone
Located in Bangkok, TH
paraiba tourmaline tourmaline stone green tourmaline tourmaline birthstone tourmaline jewelry tourmaline
Category

21st Century and Contemporary African Modern Loose Gemstones

Materials

Tourmaline

Seafoam & Bluish Green Natural Tourmaline Loose Gemstones reverse pair, 3.85 Ct
Located in Peshawar, PK
Elevate your jewelry creations with these enchanting natural Tourmaline Loose Gemstones. Skillfully
Category

21st Century and Contemporary Afghan Contemporary Loose Gemstones

Materials

Tourmaline

2.25 Carat Natural Loose Green Tourmaline Emerald Shape Gem From Afghanistan
Located in Peshawar, PK
Loose Green Tourmaline Weight: 2.25 Carats Dimension: 9.2 x 5.9 x 4.9 Mm Colour: Green Origin
Category

21st Century and Contemporary Afghan Arts and Crafts Loose Gemstones

Materials

Tourmaline

2.55 Carats Natural Loose Emerald Shape Green Tourmaline Gem For Ring
Located in Peshawar, PK
Loose Green Tourmaline Weight: 2.55 Carats Dimension: 8.5 x 6.5 x 5.5 Mm Colour: Green Origin
Category

21st Century and Contemporary Afghan Arts and Crafts Loose Gemstones

Materials

Tourmaline

Beauteous 1.10 Carats Loose Blueish Green Tourmaline Asscher Cut Ring Gemstone
Located in Peshawar, PK
Loose Tourmaline Weight: 1.10 Carats Dimension: 5.9x5.7x4.5 Mm Origin: Kunar Afghanistan Shape
Category

21st Century and Contemporary Afghan Aesthetic Movement Loose Gemstones

Materials

Tourmaline

2.95 Carats Natural Loose Green Tourmaline Emerald Shape Gem For Ring
Located in Peshawar, PK
Loose Green Tourmaline Weight: 2.95 Carats Dimension: 9.8 x 6.1 x 5.3 Mm Colour: Green Origin
Category

21st Century and Contemporary Afghan Arts and Crafts Loose Gemstones

Materials

Tourmaline

Pretty Natural Loose Green Lagoon Tourmaline 3.55 Carat Emerald Shape Gemstone
Located in Peshawar, PK
Loose Green Lagoon Tourmaline Weight: 3.55 Carats Dimension: 11 x 7 x 5.4 Mm Colour: Green Lagoon
Category

21st Century and Contemporary Afghan Arts and Crafts Loose Gemstones

Materials

Tourmaline

5.20 Carat Pretty Natural Loose Green Lagoon Tourmaline Cushion Shape Gemstone
Located in Peshawar, PK
Loose Green Lagoon Tourmaline Weight: 5.20 Carats Dimension: 10.7 x 9 x 7 Mm Colour: Green Lagoon
Category

21st Century and Contemporary Afghan Arts and Crafts Loose Gemstones

Materials

Tourmaline

1.75 Carat Natural Loose Green Tourmaline Cushion Gem For Jewellery Making
Located in Peshawar, PK
Loose Green Tourmaline Weight: 1.75 Carats Dimension: 6.1 x 7.6 x 4.7 Mm Colour: Green Origin
Category

21st Century and Contemporary Afghan Arts and Crafts Loose Gemstones

Materials

Tourmaline

2.95 Carats Natural Loose Blueish Green Tourmaline Emerald Cut Ring Gemstone
Located in Peshawar, PK
Loose Tourmaline Weight: 2.95 Carats Dimension: 7.5x7.3x6.4 Mm Origin: Afghanistan Color: Blue
Category

21st Century and Contemporary Afghan Aesthetic Movement Loose Gemstones

Materials

Tourmaline

Sparkling 6.0 Carats Natural Loose Mint Green Tourmaline Trilliant Shape Gem
Located in Peshawar, PK
Loose Tourmaline Weight: 6.0 Carats Dimension: 11.3x11.3x7.9 Mm Origin: Kunar Afghanistan Shape
Category

21st Century and Contemporary Afghan Arts and Crafts Loose Gemstones

Materials

Tourmaline

1.00 Carats Exquisite Mint Green Cut Tourmaline Stone Tourmaline For Making Ring
Located in Bangkok, TH
Exquisite Mint Green Cut Tourmaline Stone, Available For Sale At Wholesale Price Natural High
Category

21st Century and Contemporary Afghan Modern Loose Gemstones

Materials

Tourmaline

1.75 Cts Natural Loose Mint Green Tourmaline Emerald Shape Ring Gem
Located in Peshawar, PK
-precious stone, renowned for its delicate green hue, is a member of the tourmaline mineral family, which
Category

21st Century and Contemporary Afghan Art Nouveau Loose Gemstones

Materials

Tourmaline

1.65 Carats Natural Loose Lagoon Green Tourmaline Cushion Cut Afghan Mine
Located in Peshawar, PK
Color: Lagoon Green Treatment: Non/ Natural Certificate: On Demand Lagoon green tourmaline, also known
Category

2010s Afghan Arts and Crafts Loose Gemstones

Materials

Tourmaline

2.60 Carats Natural Loose Green Tourmaline With Lagoon Shade Emerald Shape
Located in Peshawar, PK
Loose Tourmaline Weight: 2.60 Carats Dimension: 10.1x6.3x5 Mm Origin: Kunar Afghanistan Shape
Category

21st Century and Contemporary Afghan Arts and Crafts Loose Gemstones

Materials

Tourmaline

Vivid Green Tourmaline, Faceted Gem, 12, 30 Ct., Loose Gemstone, Oval
Located in Kirschweiler, DE
We are delighted to be able to offer, this 12,30 ct. green Tourmaline from our collection. This
Category

21st Century and Contemporary German Contemporary Loose Gemstones

Materials

Tourmaline

Stunning 6.10 Carats Natural Loose Tourmaline Light Green Color Ring Gem
Located in Peshawar, PK
Loose Tourmaline Weight: 6.10 Carats Dimension: 13.1x8.2x6.4 Mm Origin: Afghanistan Shape
Category

21st Century and Contemporary Afghan Arts and Crafts Loose Gemstones

Materials

Tourmaline

Gorgeous Mint Green Loose Tourmaline Jewelry Gem 24.20 Carat Asscher Cut
Located in Peshawar, PK
species. A few may belong to the dravite species. Green Tourmaline is one of the primary stones used by
Category

21st Century and Contemporary Malagasy Arts and Crafts Loose Gemstones

Materials

Tourmaline

Stunning 2.10 Carat Natural Loose Mint Green Afghan Tourmaline Cushion Shape
Located in Peshawar, PK
species. A few may belong to the dravite species. Green Tourmaline is one of the primary stones used by
Category

21st Century and Contemporary Afghan Arts and Crafts Loose Gemstones

Materials

Tourmaline

Gorgeous Mint Green Loose Tourmaline Ring Gem 5.95 Carat Cushion Gemstone
Located in Peshawar, PK
species. A few may belong to the dravite species. Green Tourmaline is one of the primary stones used by
Category

21st Century and Contemporary Afghan Arts and Crafts Loose Gemstones

Materials

Tourmaline

Gorgeous Mint Green Loose Tourmaline Ring Gem 5.95 Carat Cushion Gemstone
Gorgeous Mint Green Loose Tourmaline Ring Gem 5.95 Carat Cushion Gemstone
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H 0.38 in W 0.39 in D 0.33 in L 0.38 in
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Green Tourmaline Loose Stone For Sale on 1stDibs

You are likely to find exactly the green tourmaline loose stone you’re looking for on 1stDibs, as there is a broad range for sale. Frequently made of gold, silver and sterling silver, 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 green tourmaline loose stone 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. Finding an appealing green tourmaline loose stone — no matter the origin — is easy, but Sarosi By Timeless Gems, Martha Seely 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 oval cut versions for sale. When shopping for a green tourmaline loose stone, you’ll find that there are less available pieces for unisex or men today than there are for women.

How Much is a Green Tourmaline Loose Stone?

The price for a green tourmaline loose stone starts at $37 and tops out at $150,480 with these rings, on average, selling for $870.

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.