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Emerald Loose Gem

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Oval Cut No Oil Russian Emerald Loose Gem 1.28 Carat Weight
By Tsarina Jewels
Located in Bangkok, TH
An amazing Russian Emerald which allows jewelers to create a unique piece of wearable art. This
Category

2010s Russian Modern Loose Gemstones

Materials

Emerald

One-of-the-kind Untreated Russian Emerald Loose Gem 0.85 Carat Certified
By Tsarina Jewels
Located in Bangkok, TH
An exceptional Neon Green color No Oil Clean Russian Emerald which allows jewelers to create a
Category

2010s Russian Modern Loose Gemstones

Materials

Emerald

GIA Certified 1.48ct Natural Green Emerald Octagonal Emerald Cut Loose Gem
By Gems and Jewels UK
Located in Birmingham, GB
GIA Certified 1.48ct Natural Green Emerald Octagonal Emerald Cut Loose Gem GIA Certified Natural
Category

21st Century and Contemporary Loose Gemstones

Materials

Emerald

Spinel Oval Waterfall Loose Gems Set
By Emeralds Maravellous
Located in US
Spinel fancy 100% natural oval loose gems set palette from baby pink to hot pink and violet to
Category

21st Century and Contemporary Unknown Artisan Loose Gemstones

Materials

Spinel

Spinel Oval Waterfall Loose Gems Set
Spinel Oval Waterfall Loose Gems Set
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W 0.2 in L 0.25 in
2.02ct Vivid Olive Green Tourmaline Fancy Octagon Emerald Loose Cut Gem
By Gems and Jewels UK
Located in Birmingham, GB
2.02ct Vivid Olive Green Tourmaline Fancy Octagon Emerald Loose Cut Gem 8.2x6mm Natural Olive
Category

20th Century Loose Gemstones

Materials

Emerald, Tourmaline

Spinel Fancy Oval Waterfall Loose Gems Set
By Emeralds Maravellous
Located in US
Spinel fancy 100% natural oval loose gems set palette from baby pink to hot pink and violet to
Category

21st Century and Contemporary Unknown Artisan Loose Gemstones

Materials

Spinel

Spinel Fancy Oval Waterfall Loose Gems Set
Spinel Fancy Oval Waterfall Loose Gems Set
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W 0.2 in L 0.25 in
19.60 Carat Natural Loose Emerald Gemstone. AAA Gem
Located in Miami, FL
This superb loose emerald boasts a remarkable 19.60 carats and features a stunning cushion cut
Category

21st Century and Contemporary European Loose Gemstones

Materials

Emerald

15.50 Carat Natural Loose Emerald Gemstone. AAA Gem
Located in Miami, FL
Presenting this superb loose emerald, boasting a remarkable weight of 15.50 carats and measuring
Category

21st Century and Contemporary European Loose Gemstones

Materials

Emerald

Mandarin Garnet Earrings Gemstone Pair 5.80 Carat Unset Oval Loose Gems
By Emeralds Maravellous
Located in US
loose and design your own is available don't hesitate to contact us. Measurements: 8.35mm x 7.16mm each
Category

21st Century and Contemporary Nigerien Modern Loose Gemstones

Materials

Garnet, Mandarin Garnet

23.65 Carat Natural Loose Emerald Gemstone. AAA Gem
Located in Miami, FL
Presenting this exquisite loose emerald, featuring a superb sugar loaf cut and boasting an
Category

21st Century and Contemporary European Loose Gemstones

Materials

Emerald

Emerald Cut Loose Emerald from Russia Ring Gem 2.1 Carat
By Tsarina Jewels
Located in Bangkok, TH
-house from rough gems we source in Russia. We use only natural, untreated and certified Emeralds
Category

2010s Russian Modern Loose Gemstones

Materials

Emerald

Charismatic Hessonite Garnet Gem 2.50 carats Emerald Cut Madagascar Loose Gem
Located in Bangkok, TH
(Milky inclusions) Shape Octagon Cut Emerald The Hessonite Garnet gemstone is a stunning and unique
Category

21st Century and Contemporary Malagasy Modern Loose Gemstones

Materials

Garnet, Hessonite

1.45 Carat Natural Loose Emerald Gem From Swat, Pakistan
Located in Peshawar, PK
Loose Emerald Weight: 1.45 Carat Dimension: 7.4 x 5.5 x 4.9 Mm Origin: Swat, Pakistan Treatment
Category

21st Century and Contemporary Pakistani Arts and Crafts Loose Gemstones

Materials

Emerald

1.45 Carat Natural Loose Emerald Gem From Swat, Pakistan
1.45 Carat Natural Loose Emerald Gem From Swat, Pakistan
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W 0.22 in D 0.2 in L 0.3 in
Deep Green Tourmaline 2.12ct Octagon Emerald Cut Loose Gem
Located in Birmingham, GB
Deep Green Tourmaline 2.12ct Octagon Emerald Cut Loose Gem 7.6 x 7mm Natural Deep Green Tourmaline
Category

21st Century and Contemporary Loose Gemstones

Materials

Tourmaline

9.91 Carat Tanzanite Emerald Cut, Loose Gemstone
By Sarosi By Timeless Gems
Located in Los Angeles, CA
If there was ever a gemstone that could make you fall in love with emerald-cuts, this would be it
Category

21st Century and Contemporary Artisan Loose Gemstones

Materials

Tanzanite

34.25 Carat Aquamarine Emerald-Cut Unset Loose 3-Stone Ring Gemstone
By Gems Paradise
Located in Jaipur, IN
34.25 Carat Aquamarine Emerald-Cut Unset Loose 3-Stone Ring Gemstone Length: 13.39 mm Width: 27.57
Category

2010s Unknown Artisan Loose Gemstones

Materials

Aquamarine

10.55 Carat Aquamarine Emerald-Cut Unset Loose 3-Stone Ring Gemstone
By Gems Paradise
Located in Jaipur, IN
10.55 Carat Aquamarine Emerald-Cut Unset Loose 3-Stone Ring Gemstone Length: 9 mm Width: 14.10 mm
Category

2010s Unknown Artisan Loose Gemstones

Materials

Aquamarine

Bicolor Tourmaline Ring Gem 17.68 Carat Emerald Cut Loose Gemstone
By Merkaba
Located in Beverly Hills, CA
Exceptional 17.68 carat, "loupe clean", Bicolor Tourmaline emerald-cut gem, offered loose to a fine
Category

21st Century and Contemporary Mozambican Modern Loose Gemstones

Materials

Tourmaline, Other

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

Natural Loose Aquamarine 2.90 Carat Emerald Shape Gem For Jewellery
Located in Peshawar, PK
, respectively. This gem belongs to the beryl family, sharing its lineage with emeralds and morganite. The
Category

21st Century and Contemporary Pakistani Arts and Crafts Loose Gemstones

Materials

Aquamarine

11.20 Carat Natural Loose Aquamarine Emerald Shape Gem For Necklace
Located in Peshawar, PK
, respectively. This gem belongs to the beryl family, sharing its lineage with emeralds and morganite. The
Category

21st Century and Contemporary Pakistani Arts and Crafts Loose Gemstones

Materials

Aquamarine

2.70 Carat Natural Loose Green Peridot Ring Gem Emerald Shape
Located in Peshawar, PK
Loose Peridot Weight: 2.70 Carats Dimension: 8.9x6.2x5.4 Mm Origin: Pakistan Shape: Emerald Color
Category

21st Century and Contemporary Pakistani Aesthetic Movement Loose Gemstones

Materials

Peridot

2.70 Carat Natural Loose Green Peridot Ring Gem Emerald Shape
2.70 Carat Natural Loose Green Peridot Ring Gem Emerald Shape
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W 0.25 in D 0.22 in L 0.36 in
8.45 Carat Natural Loose Aquamarine Emerald Shape Gem For Necklace
Located in Peshawar, PK
, respectively. This gem belongs to the beryl family, sharing its lineage with emeralds and morganite. The
Category

21st Century and Contemporary Pakistani Arts and Crafts Loose Gemstones

Materials

Aquamarine

8.20 Carats Natural Loose Aquamarine Emerald Shape Gem For Necklace
Located in Peshawar, PK
, respectively. This gem belongs to the beryl family, sharing its lineage with emeralds and morganite. The
Category

21st Century and Contemporary Pakistani Arts and Crafts Loose Gemstones

Materials

Aquamarine

3.37 Carat Emerald Cut Octagonal Loose Unset Aquamarine Gemstone
By Sarosi By Timeless Gems
Located in Los Angeles, CA
! If you love aquamarine and emerald-cuts, you'll fall in love with this gem!
Category

21st Century and Contemporary Artisan Loose Gemstones

Materials

Aquamarine, Emerald

1.95 Carats Natural Loose Green Peridot Ring Gem Emerald Shape
Located in Peshawar, PK
Loose Peridot Weight: 1.95 Carats Dimension: 7.3x6.1x5 Mm Origin: Pakistan Shape: Emerald Color
Category

21st Century and Contemporary Pakistani Aesthetic Movement Loose Gemstones

Materials

Peridot

1.76 Carat Brazilian Emerald, Unset Loose Gemstone, GIA Certified
By Sarosi By Timeless Gems
Located in Los Angeles, CA
large inventory of emeralds, both loose and set in original designs. We would love to design a bespoke
Category

21st Century and Contemporary Brazilian Artisan Loose Gemstones

Materials

Emerald

Elegant Natural Loose Emerald Ring Gem from Zambia Mine 4.65 Carat
Located in Peshawar, PK
Loose Emerald Weight: 4.65 Carats Dimension: 9.7x9.5x6.8 Mm Origin: Zambia Mine Shape: Emerald
Category

21st Century and Contemporary Zambian Arts and Crafts Loose Gemstones

Materials

Emerald

6.60 Carats Natural Loose Blue Indicolite Tourmaline Emerald Shape Gem
Located in Peshawar, PK
Loose Indicolite Tourmaline Weight: 6.60 Carats Dimension: 15.6x8.7x5.5 Mm Origin: Kunar
Category

21st Century and Contemporary Afghan Arts and Crafts Loose Gemstones

Materials

Indicolite, Tourmaline

6.95 Carat Natural Loose Amethyst Emerald Shape Gem For Necklace
Located in Peshawar, PK
Loose Amethyst Weight: 6.95 Carats Dimension: 13.2 x 8.7 x 8.2 Mm Colour: Purple Origin: Brazil
Category

21st Century and Contemporary Brazilian Arts and Crafts Loose Gemstones

Materials

Amethyst

8.30 Carat Natural Loose Amethyst Emerald Shape Gem For Necklace
Located in Peshawar, PK
Loose Amethyst Weight: 8.30 Carats Dimension: 18.9 x 8.1 x 7.5 Mm Colour: Purple Origin: Brazil
Category

21st Century and Contemporary Brazilian Arts and Crafts Loose Gemstones

Materials

Amethyst

6.55 Carats Natural Loose Yellow Lemon Quartz Emerald Shape Gem
Located in Peshawar, PK
Loose Lemon Quartz Weight: 6.55 Carats Dimension: 13.3x8.8x8.1 Mm Origin: Brazil Color: Yellow
Category

21st Century and Contemporary Brazilian Arts and Crafts Loose Gemstones

Materials

Yellow Beryl, Quartz

6.55 Carats Natural Loose Yellow Lemon Quartz Emerald Shape Gem
6.55 Carats Natural Loose Yellow Lemon Quartz Emerald Shape Gem
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W 0.35 in D 0.32 in L 0.53 in
1.37 Carat Emerald Oval, Unset Loose Gemstone, GIA Certified
By Sarosi By Timeless Gems
Located in Los Angeles, CA
This vibrant, bright green emerald is an exceptional gem with gorgeous color and clarity! It is a
Category

21st Century and Contemporary Artisan Loose Gemstones

Materials

Emerald

Blue Green Tourmaline Ring Gem 11.35 Carat Emerald Cut Loose Gemstone
By Merkaba
Located in Beverly Hills, CA
Magnificent 11.35 carat Bluish Green Tourmaline emerald cut gem, offered loose to an avid gemstone
Category

21st Century and Contemporary Afghan Modern Loose Gemstones

Materials

Tourmaline

3.70 Carat Colombian Emerald, Unset Loose Gemstone, GIA Certified
By Sarosi By Timeless Gems
Located in Los Angeles, CA
millimeters, this gem is exceptionally well cut and proportioned, giving the emerald superior brilliance and
Category

21st Century and Contemporary Colombian Artisan Loose Gemstones

Materials

Emerald

Blue Green Tourmaline Gem 9.64 Carat Unset Emerald Cut Loose Gemstone
By Merkaba
Located in Beverly Hills, CA
Exclusive 9.64 carat elongated emerald-cut Bluish Green Tourmaline gem offered loose to a very
Category

21st Century and Contemporary Afghan Contemporary Loose Gemstones

Materials

Other, Tourmaline

5.70 Carat Natural Loose Emerald Oval Shape Gem For Jewellery Making
Located in Peshawar, PK
Loose Emerald Weight: 5.70 Carat Dimension: 13.1 x 9.2 x 6.2 Mm Origin: Swat, Pakistan Treatment
Category

21st Century and Contemporary Pakistani Arts and Crafts Loose Gemstones

Materials

Emerald

Grey Violet Spinel Ring Gem 6.18 Carat Emerald Cut Loose Gemstone
By Merkaba
Located in Beverly Hills, CA
Exclusive 6.18 carat Greyish Violet Spinel emerald cut gem, offered unmounted to a fine gemstone
Category

21st Century and Contemporary Burmese Contemporary Loose Gemstones

Materials

Spinel

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

Gorgeous 3.05 Carats Natural Loose Green Emerald Swat Pakistan Mine Ring Gem
Located in Peshawar, PK
Loose Emerald Weight: 3.05 Carats Dimensions: 10.5x6.2x5.9 Mm Origin: Swat Pakistan Shape
Category

21st Century and Contemporary Pakistani Arts and Crafts Loose Gemstones

Materials

Emerald

Emerald Shape Natural Loose Green Tourmaline 2.60 Carat Earth Mine Gem
Located in Peshawar, PK
Loose Green Tourmaline Weight: 2.60 Carat Dimension: 9 x 5.8 x 5.3 Mm Colour: Dark Green Origin
Category

21st Century and Contemporary Afghan Arts and Crafts Loose Gemstones

Materials

Tourmaline

3.80 Carat Natural Loose Aquamarine Emerald Shape Gem For Jewellery Making
Located in Peshawar, PK
, respectively. This gem belongs to the beryl family, sharing its lineage with emeralds and morganite. The
Category

21st Century and Contemporary Pakistani Arts and Crafts Loose Gemstones

Materials

Aquamarine

4.70 Carat Natural Loose Aquamarine Emerald Shape Gem For Jewellery Making
Located in Peshawar, PK
, respectively. This gem belongs to the beryl family, sharing its lineage with emeralds and morganite. The
Category

21st Century and Contemporary Pakistani Arts and Crafts Loose Gemstones

Materials

Aquamarine

Blue Indicolite Tourmaline Ring Gem 8.20 Carat Emerald Cut Loose Gemstone
By Merkaba
Located in Beverly Hills, CA
Exceptional 8.20 carat exotic Indicolite Tourmaline gem, offered loose to a fine gemstone collector
Category

21st Century and Contemporary Namibian Modern Loose Gemstones

Materials

Tourmaline, Indicolite

3.65 Carat Natural Loose Aquamarine Emerald Shape Gem For Jewellery Making
Located in Peshawar, PK
, respectively. This gem belongs to the beryl family, sharing its lineage with emeralds and morganite. The
Category

21st Century and Contemporary Pakistani Arts and Crafts Loose Gemstones

Materials

Aquamarine

9.45 Carat Huge Natural Loose Aquamarine Emerald Shape Gem For Necklace
Located in Peshawar, PK
, respectively. This gem belongs to the beryl family, sharing its lineage with emeralds and morganite. The
Category

21st Century and Contemporary Pakistani Arts and Crafts Loose Gemstones

Materials

Aquamarine

7.05 Carat Natural Loose Aquamarine Emerald Shape Gem For Jewellery Making
Located in Peshawar, PK
, respectively. This gem belongs to the beryl family, sharing its lineage with emeralds and morganite. The
Category

21st Century and Contemporary Pakistani Arts and Crafts Loose Gemstones

Materials

Aquamarine

2.10 Carat Natural Loose Peridot Emerald Shape Gem From Earth Mine
Located in Peshawar, PK
Loose Peridot Weight: 2.10 Carats Dimension: 7.7 x 7.2 x 4.3 Mm Colour: Green Origin: Supat Valley
Category

21st Century and Contemporary Pakistani Arts and Crafts Loose Gemstones

Materials

Peridot

10.90 Carat Natural Emerald Pear Cabochon Sugarloaf May Birthstone Loose Gem
Located in New York, NY
DETAILS Emerald Weight: 10.90 CT Measurements: 18.9 x 15.3 mm Shape: Pear Cabochon Color: Green
Category

21st Century and Contemporary American Artisan Loose Gemstones

Materials

Emerald

0.95 Carat Natural Loose Emerald Oval Shape Gem For Jewellery Making
Located in Peshawar, PK
Loose Emerald Weight: 0.95 Carats Dimension: 9 x 5.4 x 3 Mm Colour: Green Origin: Swat, Pakistan
Category

21st Century and Contemporary Pakistani Arts and Crafts Loose Gemstones

Materials

Emerald

32.20 Carat Natural Loose Golden Topaz Emerald Shape Gem For Necklace
Located in Peshawar, PK
Loose Topaz Weight: 32.20 Carats Dimension: 21 x 14.6 x 11.1 Mm Origin: Skardu, Pakistan Shape
Category

21st Century and Contemporary Pakistani Arts and Crafts Loose Gemstones

Materials

Topaz

3.15 Carat Glamorous Loose Rubellite Tourmaline Emerald Shape Gem For Ring
Located in Peshawar, PK
Loose Rubellite Tourmaline Weight: 3.15 Carats Dimension: 10.2 x 6.8 x 5.6 Mm Origin: Afghanistan
Category

21st Century and Contemporary Afghan Arts and Crafts Loose Gemstones

Materials

Rubelite

1.75 Cts Natural Loose Mint Green Tourmaline Emerald Shape Ring Gem
Located in Peshawar, PK
: Emerald Color: Mint Treatment: Non Certificate: On Demand Mint green tourmaline, a captivating gemstone
Category

21st Century and Contemporary Afghan Art Nouveau Loose Gemstones

Materials

Tourmaline

2.85 Carat Natural Loose Mint Tourmaline Emerald Shape Gem For Ring
Located in Peshawar, PK
Loose Mint Tourmaline Weight: 2.85 Carats Dimension: 10.4 x 5.8 x 5 Mm Colour : Mint Green Origin
Category

21st Century and Contemporary Afghan Arts and Crafts Loose Gemstones

Materials

Tourmaline

3.80 Carat Natural Loose Emerald Cut Mint Tourmaline Gem For Ring
Located in Peshawar, PK
Loose Mint Tourmaline Weight: 3.80 Carats Dimension: 14.1 x 6.1 x 5 Mm Colour : Mint Green
Category

21st Century and Contemporary Afghan Arts and Crafts Loose Gemstones

Materials

Tourmaline

2.30 Carat Natural Loose Iolite Emerald Shape Gem For Jewellery Making
Located in Peshawar, PK
Loose iolite Weight: 2.30 Carats Dimension: 10.2 x 6.8 x 5.3 Mm Origin: India Certificate: On
Category

21st Century and Contemporary Indian Arts and Crafts Loose Gemstones

Materials

Iolite

Gigantic 14.70 Carats Natural Earth Mine Loose Green Emerald Gem Zambia Mine
Located in Peshawar, PK
Loose Emerald Weight: 14.70 Carats Dimension: 16.2x14.4x8.3 Mm Origin: Zambia Shape: Emerald
Category

21st Century and Contemporary Zambian Arts and Crafts Loose Gemstones

Materials

Emerald

2.75 Carat Natural Loose Emerald Shape mint Tourmaline Gem For Ring
Located in Peshawar, PK
Loose Mint Tourmaline Weight: 2.75 Carats Dimension: 11.1 x 5.7 x 4.6 Mm Colour: Mint Green Origin
Category

21st Century and Contemporary Afghan Arts and Crafts Loose Gemstones

Materials

Tourmaline

2.85 Carats Natural Loose Emerald Shape Mint Tourmaline Gem For jewellery
Located in Peshawar, PK
Loose Mint Tourmaline Weight: 2.85 Carats Dimension: 9.5 x 7 x 5 Mm Colour: Mint Green Origin
Category

21st Century and Contemporary Afghan Arts and Crafts Loose Gemstones

Materials

Tourmaline

1.50 Carat Natural Vibrant Green Loose Tourmaline Ring Gem Emerald Shape
Located in Peshawar, PK
Loose Tourmaline Weight: 1.50 Carats Dimension: 7.4x5.1x4.8 Mm Origin; Afghanistan Shape: Emerald
Category

21st Century and Contemporary Afghan Arts and Crafts Loose Gemstones

Materials

Tourmaline

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Emerald Loose Gem For Sale on 1stDibs

Surely you’ll find the exact emerald loose gem you’re seeking on 1stDibs — we’ve got a vast assortment for sale. Each design created in this style — which was crafted with great care and often made from 18k gold, gold and platinum — can elevate any look. An emerald loose gem from Merkaba, Gems and Jewels UK and Sarosi By Timeless Gems — each of whom created a beautiful version of this treasured accessory — is worth considering. Take a look at an emerald loose gem featuring emerald from our inventory today to add the perfect touch to your look. See these pages for an emerald cut iteration of this accessory, while there are also octagon cut cut and oval cut cut versions available here, too. Finding an emerald loose gem for sale for women should be easy, but there are 99 pieces available to browse for unisex as well as men, too.

How Much is a Emerald Loose Gem?

Prices for an emerald loose gem can differ depending upon size, time period and other attributes — at 1stDibs, these accessories begin at $18 and can go as high as $260,000, while this accessory, on average, fetches $3,375.

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.