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Loose Ruby Gem Natural

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Certified 1.46 Carats Natural Pink Loose Ruby Ring Gem From Afghanistan Mine
Located in Peshawar, PK
Loose Ruby Weight: 1.46 Carats Dimension: 6.38x6.05x3.92 Mm Origin: Jagdalek Afghanistan Shape
Category

21st Century and Contemporary Afghan Arts and Crafts Loose Gemstones

Materials

Star Ruby, Ruby

Certified Natural Loose 1.79 Carat Lustrous Ruby Oval Shape Gem From Africa
Located in Peshawar, PK
Loose Ruby Weight: 1.79 Carats Dimension: 8.3 x 6.1 x 3.5 Mm Origin: Madagascar, Africa Shape
Category

21st Century and Contemporary Malagasy Arts and Crafts Loose Gemstones

Materials

Ruby

2.39Ct Natural Untreated Ruby Oval Loose Gemstone
By Hannaboya
Located in Sheridan, WY
Elevate your jewelry creations with the enchanting beauty of our 2.39Ct 100% Natural Ruby Oval
Category

2010s African Artisan Loose Gemstones

Materials

Ruby

Lustrous Natural Ruby from Mozambique 1.09 Carats Ruby Gem Ruby Gemstone
Located in Bangkok, TH
This Lustrous Natural Ruby of 1.09 carats from Mozambique has a wonderful cut in a Cushion shape
Category

21st Century and Contemporary Mozambican Modern Loose Gemstones

Materials

Ruby

Unheated Ruby Ring Gem 1.02 Carat Cushion No Heat Loose Gemstone
By Merkaba
Located in Beverly Hills, CA
Natural unheated 1.02 carat Ruby cushion gem, offered loose to a fine gemstone collector. Returns
Category

21st Century and Contemporary Mozambican Contemporary Loose Gemstones

Materials

Ruby

NO RESERVE 4.285ct NATURAL RUBY Octagonal Cut Loose Gemstone
By Hannaboya
Located in Sheridan, WY
Elevate your jewelry designs with the captivating allure of our 4.285 100% Natural Ruby Octagonal
Category

2010s African Artisan Loose Gemstones

Materials

Ruby

Unheated Ruby Ring Gem 4 Carat Oval Unmounted Loose Gemstone “Pigeon Blood”
By Merkaba
Located in Beverly Hills, CA
Exceedingly rare, vibrant and ultra fine, 4.32 carat natural, no heat “pigeon blood” Ruby oval gem
Category

21st Century and Contemporary Mozambican Contemporary Loose Gemstones

Materials

Ruby

Gorgeous 1.05 Carats Natural Red Burmese Loose Spinel Ring Gem
Located in Peshawar, PK
Loose Spinel Weight: 1.05 Carats Dimension: 6.7x5.7x3.1 Mm Origin: Myanmar Burma Treatment: Non
Category

21st Century and Contemporary Burmese Baroque Loose Gemstones

Materials

Spinel

Gorgeous 1.05 Carats Natural Red Burmese Loose Spinel Ring Gem
Gorgeous 1.05 Carats Natural Red Burmese Loose Spinel Ring Gem
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W 0.23 in D 0.13 in L 0.27 in
1.05 Carat Natural Loose Red Spinel Ring Gem From Myanmar Mine
Located in Peshawar, PK
Loose Spinel Weight: 1.05 Carats Dimension: 5.5x5.5x4 Mm Origin: Burma Myanmar Shape: Cushion
Category

21st Century and Contemporary Burmese Arts and Crafts Loose Gemstones

Materials

Spinel

1.05 Carat Natural Loose Red Spinel Ring Gem From Myanmar Mine
1.05 Carat Natural Loose Red Spinel Ring Gem From Myanmar Mine
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W 0.22 in D 0.16 in L 0.22 in
Natural Mozambique Red Loose Ruby Stone 0.85 carats Oval Shaped Gemstone
Located in Bangkok, TH
Gemstone Type Natural Ruby Gemstone Weight 0.85 Carats Dimensions 7.1 x 5.7 x 2.4 mm Clarity VVS
Category

21st Century and Contemporary Mozambican Modern Loose Gemstones

Materials

Ruby

6.60 Carats Faceted Loose Pink Rubies Stones Natural Gemstones From Afghanistan
Located in Bangkok, TH
faceted loose Pink Rubies from the heart of Afghanistan, a testament to the natural beauty that the earth
Category

21st Century and Contemporary Afghan Modern Loose Gemstones

Materials

Ruby

Certified Natural 1.10 Carat Loose Sapphire Cushion Shape Gem For Ring
Located in Peshawar, PK
Loose Sapphire Weight: 1.10 Carats Dimension: 5.5 x 5.3 x 3.9 Mm Colour: Greenish Blue Origin
Category

21st Century and Contemporary Central African Arts and Crafts Loose Gems...

Materials

Sapphire

3.00 Carat Natural Loose Parti Sapphire Cushion Gem For Engagement Ring
Located in Peshawar, PK
Loose Sapphire Weight: 3.00 Carats Dimension: 9.3 x 7.6 x 4.1 Mm Colour: Blue And Green Origin
Category

21st Century and Contemporary Central African Arts and Crafts Loose Gems...

Materials

Sapphire

10.90 Carat Natural Emerald Pear Cabochon Sugarloaf May Birthstone Loose Gem
Located in New York, NY
Hardness: 7.5 - 8 Birthstone: May Natural WANT TO CUSTOM ORDER? We customize high jewelry made with
Category

21st Century and Contemporary American Artisan Loose Gemstones

Materials

Emerald

Included 3.80 Carat Natural Loose Rubelitte Tourmaline Ring Gem Oval Shape
Located in Peshawar, PK
, and ruby-red colored specimens without orange or brown overtones are highly prized. The rubellite is a
Category

21st Century and Contemporary Afghan Arts and Crafts Loose Gemstones

Materials

Rubelite, Tourmaline

GIA Certified No Heat Natural Star Ruby Loose Stone Weighing 4.84 Carats
By OGI Ltd
Located in New York, NY
6224671008 Natural star rubies are relatively rare and highly sought after by gem enthusiasts and collectors
Category

20th Century Sri Lankan Contemporary Loose Gemstones

Materials

Ruby, Star Ruby

0.80 Carats Oval Shaped Natural Mozambique Loose Red Ruby Gemstone VVS Clarity
Located in Bangkok, TH
Gemstone Type Natural Ruby Gemstone Weight 0.80 Carats Dimensions 6.8 x 5.3 x 2.8 mm Clarity VVS
Category

21st Century and Contemporary Mozambican Modern Loose Gemstones

Materials

Ruby

1.02 Ct Ruby Pear Loose Gemstone
Located in Fort Lee, NJ
vibrant collection of Emerald, Ruby & Sapphires in our store available as a loose gemstone & matching your
Category

2010s Malagasy Loose Gemstones

Materials

Ruby

1.02 Ct Ruby Pear Loose Gemstone
1.02 Ct Ruby Pear Loose Gemstone
W 0.23 in D 0.12 in L 0.31 in
2.16 Ct Ruby Pear Loose Gemstone
Located in Fort Lee, NJ
vibrant collection of Emerald, Ruby & Sapphires in our store available as a loose gemstone & matching your
Category

2010s Malagasy Loose Gemstones

Materials

Ruby

2.16 Ct Ruby Pear Loose Gemstone
2.16 Ct Ruby Pear Loose Gemstone
W 0.28 in D 0.17 in L 0.37 in
1.27 Ct Ruby Oval Loose Gemstone
Located in Fort Lee, NJ
vibrant collection of Emerald, Ruby & Sapphires in our store available as a loose gemstone & matching your
Category

2010s Malagasy Loose Gemstones

Materials

Ruby

1.27 Ct Ruby Oval Loose Gemstone
1.27 Ct Ruby Oval Loose Gemstone
W 0.24 in D 0.12 in L 0.32 in
1.12 Ct Ruby Oval Loose Gemstone
Located in Fort Lee, NJ
vibrant collection of Emerald, Ruby & Sapphires in our store available as a loose gemstone & matching your
Category

2010s Malagasy Loose Gemstones

Materials

Ruby

1.12 Ct Ruby Oval Loose Gemstone
1.12 Ct Ruby Oval Loose Gemstone
W 0.24 in D 0.1 in L 0.32 in
1.50 Ct Ruby Oval Loose Gemstone
Located in Fort Lee, NJ
vibrant collection of Emerald, Ruby & Sapphires in our store available as a loose gemstone & matching your
Category

2010s Malagasy Loose Gemstones

Materials

Ruby

1.50 Ct Ruby Oval Loose Gemstone
1.50 Ct Ruby Oval Loose Gemstone
W 0.24 in D 0.15 in L 0.31 in
4.09 Ct Ruby Oval Loose Gemstone
Located in Fort Lee, NJ
vibrant collection of Emerald, Ruby & Sapphires in our store available as a loose gemstone & matching your
Category

2010s Malagasy Loose Gemstones

Materials

Ruby

4.09 Ct Ruby Oval Loose Gemstone
4.09 Ct Ruby Oval Loose Gemstone
W 0.33 in D 0.22 in L 0.4 in
3.76 Ct Ruby Oval Loose Gemstone
Located in Fort Lee, NJ
vibrant collection of Emerald, Ruby & Sapphires in our store available as a loose gemstone & matching your
Category

2010s Malagasy Loose Gemstones

Materials

Ruby

3.76 Ct Ruby Oval Loose Gemstone
3.76 Ct Ruby Oval Loose Gemstone
W 0.31 in D 0.2 in L 0.42 in
1.05 Ct Ruby Oval Loose Gemstone
Located in Fort Lee, NJ
vibrant collection of Emerald, Ruby & Sapphires in our store available as a loose gemstone & matching your
Category

2010s Malagasy Loose Gemstones

Materials

Ruby

1.05 Ct Ruby Oval Loose Gemstone
1.05 Ct Ruby Oval Loose Gemstone
W 0.24 in D 0.09 in L 0.31 in
1.10 Ct Ruby Oval Loose Gemstone
Located in Fort Lee, NJ
vibrant collection of Emerald, Ruby & Sapphires in our store available as a loose gemstone & matching your
Category

2010s Malagasy Loose Gemstones

Materials

Ruby

1.10 Ct Ruby Oval Loose Gemstone
1.10 Ct Ruby Oval Loose Gemstone
W 0.24 in D 0.12 in L 0.31 in
1.26 Ct Ruby Oval Loose Gemstone
Located in Fort Lee, NJ
vibrant collection of Emerald, Ruby & Sapphires in our store available as a loose gemstone & matching your
Category

2010s Malagasy Loose Gemstones

Materials

Ruby

1.26 Ct Ruby Oval Loose Gemstone
1.26 Ct Ruby Oval Loose Gemstone
W 0.24 in D 0.1 in L 0.32 in
2.56 Ct Ruby Pear Loose Gemstone
Located in Fort Lee, NJ
vibrant collection of Emerald, Ruby & Sapphires in our store available as a loose gemstone & matching your
Category

2010s Malagasy Loose Gemstones

Materials

Ruby

2.56 Ct Ruby Pear Loose Gemstone
2.56 Ct Ruby Pear Loose Gemstone
W 0.28 in D 0.21 in L 0.35 in
1.57 Ct Ruby Oval Loose Gemstone
Located in Fort Lee, NJ
vibrant collection of Emerald, Ruby & Sapphires in our store available as a loose gemstone & matching your
Category

2010s Malagasy Loose Gemstones

Materials

Ruby

1.57 Ct Ruby Oval Loose Gemstone
1.57 Ct Ruby Oval Loose Gemstone
W 0.25 in D 0.13 in L 0.33 in
2.58 Ct Ruby Oval Loose Gemstone
Located in Fort Lee, NJ
vibrant collection of Emerald, Ruby & Sapphires in our store available as a loose gemstone & matching your
Category

2010s Malagasy Loose Gemstones

Materials

Ruby

2.58 Ct Ruby Oval Loose Gemstone
2.58 Ct Ruby Oval Loose Gemstone
W 0.27 in D 0.18 in L 0.37 in
3.77 Ct Ruby Round Loose Gemstone
Located in Fort Lee, NJ
vibrant collection of Emerald, Ruby & Sapphires in our store available as a loose gemstone & matching your
Category

2010s Malagasy Loose Gemstones

Materials

Ruby

3.77 Ct Ruby Round Loose Gemstone
3.77 Ct Ruby Round Loose Gemstone
W 0.33 in D 0.24 in L 0.33 in
3.07 Ct Ruby Oval Loose Gemstone
Located in Fort Lee, NJ
vibrant collection of Emerald, Ruby & Sapphires in our store available as a loose gemstone & matching your
Category

2010s Malagasy Loose Gemstones

Materials

Ruby

3.07 Ct Ruby Oval Loose Gemstone
3.07 Ct Ruby Oval Loose Gemstone
W 0.31 in D 0.19 in L 0.37 in
Certified 23.46 Carats Mozambique Ruby Oval Faceted Cutstone No Heat Natural Gem
Located in Jaipur, RJ
Very Rare Size RUBY !!! As we are auction partners at Gemfields, we have sourced these rubies from
Category

21st Century and Contemporary Mozambican Art Deco Loose Gemstones

Materials

Ruby

Certified 34.29 Carats Mozambique Ruby Oval Faceted Cutstone No Heat Natural Gem
Located in Jaipur, RJ
RARE 34 CARATS RUBY !! As we are auction partners at Gemfields, we have sourced these rubies from
Category

21st Century and Contemporary Mozambican Art Deco Loose Gemstones

Materials

Ruby

Certified 22.51 Carats No Heat Burmese Ruby Oval Faceted Cutstone Natural Gem
Located in Jaipur, RJ
Very Rare Burmese Myanmar ruby no heat no treatment Weight: 22.51 Carats Size: 16x14.5x11 MM Pieces
Category

21st Century and Contemporary Burmese Art Deco Loose Gemstones

Materials

Ruby

Certified 3.24 Carats Mozambique Ruby Oval Faceted Cutstone No Heat Natural Gem
Located in Jaipur, RJ
As we are auction partners at Gemfields, we have sourced these rubies from winning auctions and had
Category

21st Century and Contemporary Mozambican Art Deco Loose Gemstones

Materials

Ruby

Certified 3.64 Carats Mozambique Ruby Oval Faceted Cutstone No Heat Natural Gem
Located in Jaipur, RJ
As we are auction partners at Gemfields, we have sourced these rubies from winning auctions and had
Category

21st Century and Contemporary Mozambican Art Deco Loose Gemstones

Materials

Ruby

Certified 3.18 Carats Mozambique Ruby Oval Faceted Cutstone No Heat Natural Gem
Located in Jaipur, RJ
As we are auction partners at Gemfields, we have sourced these rubies from winning auctions and had
Category

21st Century and Contemporary Mozambican Art Deco Loose Gemstones

Materials

Ruby

Certified 2.84 Carats Mozambique Ruby Oval Faceted Cutstone No Heat Natural Gem
Located in Jaipur, RJ
As we are auction partners at Gemfields, we have sourced these rubies from winning auctions and had
Category

21st Century and Contemporary Mozambican Art Deco Loose Gemstones

Materials

Ruby

Certified 7.50 Carats Mozambique Ruby Pear Faceted Cutstone No Heat Natural Gem
Located in Jaipur, RJ
As we are auction partners at Gemfields, we have sourced these rubies from winning auctions and had
Category

21st Century and Contemporary Mozambican Art Deco Loose Gemstones

Materials

Ruby

Certified 1.69 Carats Mozambique Ruby Oval Faceted Cutstone No Heat Natural Gem
Located in Jaipur, RJ
As we are auction partners at Gemfields, we have sourced these rubies from winning auctions and had
Category

21st Century and Contemporary Mozambican Art Deco Loose Gemstones

Materials

Ruby

Certified 1.94 Carats Mozambique Ruby Pear Faceted Cutstone No Heat Natural Gem
Located in Jaipur, RJ
As we are auction partners at Gemfields, we have sourced these rubies from winning auctions and had
Category

21st Century and Contemporary Mozambican Art Deco Loose Gemstones

Materials

Ruby

Certified 1.48 Carats Mozambique Ruby Pear Faceted Cutstone No Heat Natural Gem
Located in Jaipur, RJ
As we are auction partners at Gemfields, we have sourced these rubies from winning auctions and had
Category

21st Century and Contemporary Mozambican Art Deco Loose Gemstones

Materials

Ruby

Certified 5.27 Carats Mozambique Ruby Oval Faceted Cutstone No Heat Natural Gem
Located in Jaipur, RJ
As we are auction partners at Gemfields, we have sourced these rubies from winning auctions and had
Category

21st Century and Contemporary Mozambican Art Deco Loose Gemstones

Materials

Ruby

Certified 2.13 Carats Mozambique Ruby Oval Faceted Cutstone No Heat Natural Gem
Located in Jaipur, RJ
As we are auction partners at Gemfields, we have sourced these rubies from winning auctions and had
Category

21st Century and Contemporary Mozambican Art Deco Loose Gemstones

Materials

Ruby

Certified 3.30 Carats Mozambique Ruby Oval Faceted Cutstone No Heat Natural Gem
Located in Jaipur, RJ
As we are auction partners at Gemfields, we have sourced these rubies from winning auctions and had
Category

21st Century and Contemporary Mozambican Art Deco Loose Gemstones

Materials

Ruby

Certified 3.75 Carats Mozambique Ruby Oval Faceted Cutstone No Heat Natural Gem
Located in Jaipur, RJ
As we are auction partners at Gemfields, we have sourced these rubies from winning auctions and had
Category

21st Century and Contemporary Mozambican Art Deco Loose Gemstones

Materials

Ruby

Certified 2.89 Carats Mozambique Ruby Pear Faceted Cutstone No Heat Natural Gem
Located in Jaipur, RJ
As we are auction partners at Gemfields, we have sourced these rubies from winning auctions and had
Category

21st Century and Contemporary Mozambican Art Deco Loose Gemstones

Materials

Ruby

Certified 2.41 Carats Mozambique Ruby Oval Faceted Cutstone No Heat Natural Gem
Located in Jaipur, RJ
As we are auction partners at Gemfields, we have sourced these rubies from winning auctions and had
Category

21st Century and Contemporary Mozambican Art Deco Loose Gemstones

Materials

Ruby

Certified 3.16 Carats Mozambique Ruby Oval Faceted Cutstone No Heat Natural Gem
Located in Jaipur, RJ
As we are auction partners at Gemfields, we have sourced these rubies from winning auctions and had
Category

21st Century and Contemporary Mozambican Art Deco Loose Gemstones

Materials

Ruby

Certified 2.41 Carats Mozambique Ruby Oval Faceted Cutstone No Heat Natural Gem
Located in Jaipur, RJ
As we are auction partners at Gemfields, we have sourced these rubies from winning auctions and had
Category

21st Century and Contemporary Mozambican Art Deco Loose Gemstones

Materials

Ruby

Certified 11.03 Carats No Heat Burmese Ruby Oval Faceted Cutstone Natural Gem
Located in Jaipur, RJ
Rare Burmese Myanmar ruby no heat no treatment Weight: 11.03 Carats Size: 15.5x12x6 MM Pieces: 1
Category

21st Century and Contemporary Burmese Art Deco Loose Gemstones

Materials

Ruby

Certified 9.58 Carats No Heat Burmese Ruby Round Faceted Cutstone Natural Gem
Located in Jaipur, RJ
Rare Burmese Myanmar ruby no heat no treatment Weight: 9.58 Carats Size: 11X9 MM Pieces: 1 Shape
Category

21st Century and Contemporary Burmese Art Deco Loose Gemstones

Materials

Ruby

Certified 9.55 Carats No Heat Burmese Ruby Oval Faceted Cutstone Natural Gem
Located in Jaipur, RJ
Rare Burmese Myanmar ruby no heat no treatment Shape: Roundish Oval Weight: 9.55 Carats Size: 10x9
Category

21st Century and Contemporary Burmese Art Deco Loose Gemstones

Materials

Ruby

Certified 10.44 Carats Mozambique Ruby Pear Faceted Cutstone No Heat Natural Gem
Located in Jaipur, RJ
As we are auction partners at Gemfields, we have sourced these rubies from winning auctions and had
Category

21st Century and Contemporary Mozambican Art Deco Loose Gemstones

Materials

Ruby

Certified 3.99 Carats Mozambique Ruby Oval Faceted Cutstone No Heat Natural Gem
Located in Jaipur, RJ
As we are auction partners at Gemfields, we have sourced these rubies from winning auctions and had
Category

21st Century and Contemporary Mozambican Art Deco Loose Gemstones

Materials

Ruby

Certified 7.50 Carats Mozambique Ruby Pear Faceted Cutstone No Heat Natural Gem
Located in Jaipur, RJ
As we are auction partners at Gemfields, we have sourced these rubies from winning auctions and had
Category

21st Century and Contemporary Mozambican Art Deco Loose Gemstones

Materials

Ruby

Certified 5.10 Carats Mozambique Ruby Round Faceted Cutstone No Heat Natural Gem
Located in Jaipur, RJ
As we are auction partners at Gemfields, we have sourced these rubies from winning auctions and had
Category

21st Century and Contemporary Mozambican Art Deco Loose Gemstones

Materials

Ruby

Certified 3.66 Carats Mozambique Ruby Oval Faceted Cutstone No Heat Natural Gem
Located in Jaipur, RJ
As we are auction partners at Gemfields, we have sourced these rubies from winning auctions and had
Category

21st Century and Contemporary Mozambican Art Deco Loose Gemstones

Materials

Ruby

Certified 6.51 Carats Mozambique Ruby Oval Faceted Cutstone No Heat Natural Gem
Located in Jaipur, RJ
As we are auction partners at Gemfields, we have sourced these rubies from winning auctions and had
Category

21st Century and Contemporary Mozambican Art Deco Loose Gemstones

Materials

Ruby

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Loose Ruby Gem Natural For Sale on 1stDibs

You are likely to find exactly the loose ruby gem natural you’re looking for on 1stDibs, as there is a broad range for sale. Frequently made of gold, 18k gold and 14k gold, this item was constructed with great care. You can easily find a 7 antique edition and 254 modern creations to choose from as well. Making the right choice when shopping for a loose ruby gem natural may mean carefully reviewing examples of this item dating from different eras — you can find an early iteration of this piece from the 18th Century and a newer version made as recently as the 21st Century, both of which have proven very popular over the years. A loose ruby gem natural from Merkaba, OGI Ltd and Sarosi By Timeless Gems — each of whom created a beautiful version of this treasured accessory — is worth considering. Take a look at a loose ruby gem natural featuring ruby from our inventory today to add the perfect touch to your look. An oval cut version of this piece has appeal, but there are also pear cut and cushion cut versions for sale. There aren’t many items for men if you’re seeking a loose ruby gem natural, as most of the options available are for women and unisex.

How Much is a Loose Ruby Gem Natural?

On average, a loose ruby gem natural at 1stDibs sells for $1,592, while they’re typically $110 on the low end and $200,000 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.