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Loose Gemstones For Sale
2.19 Ct Blue Sapphire Pear Loose Gemstone
Located in Fort Lee, NJ
This natural Blue sapphire offers elegance and sophistication. With its rich color saturation and precise cutting, it is the perfect centerpiece for an engagement ring or luxury jewe...
Category

2010s Sri Lankan Loose Gemstones

Materials

Blue Sapphire

2.59 Ct Blue Sapphire Pear Loose Gemstone
Located in Fort Lee, NJ
This natural Blue sapphire offers elegance and sophistication. With its rich color saturation and precise cutting, it is the perfect centerpiece for an engagement ring or luxury jewe...
Category

2010s Sri Lankan Loose Gemstones

Materials

Blue Sapphire

1.93 Ct Blue Sapphire Pear Loose Gemstone
Located in Fort Lee, NJ
This natural Blue sapphire offers elegance and sophistication. With its rich color saturation and precise cutting, it is the perfect centerpiece for an engagement ring or luxury jewe...
Category

2010s Sri Lankan Loose Gemstones

Materials

Blue Sapphire

8.65 Carat Natural Loose Yellow Citrine Emerald Shape Gemstone
Located in Peshawar, PK
Loose Citrine Weight: 8.65 Carats Dimension: 14 x 10.3 x 8.7 Mm Origin: Brazil Treatment: Non Certficate: On Demand Shape: Emerald Citrine, a radiant and versatile gemstone, encha...
Category

21st Century and Contemporary Brazilian Arts and Crafts Loose Gemstones

Materials

Citrine

2.55 Carat Natural Loose Pink Spinel Stone Cushion Cut Tanzanian Gemstone
Located in Bangkok, TH
Weight 2.55 carat Dimensions 7.7x7.2x5.5mm Treatment None Origin Tanzanian Clarity VVS Shape Cut Asscher This 2.55 Carat Natural Loose Pink Spinel showcases a vivid, rosy hu...
Category

21st Century and Contemporary Tanzanian Modern Loose Gemstones

Materials

Spinel

Perfect Square Shape Ametrine 13.65 Carat Flower Cut Gem For Necklace Jewellery
Located in Peshawar, PK
Loose Ametrine Weight: 13.65 Carats Dimension: 13.9 x 13.9 x 11.1 Mm Origin: Brazil Shape : Square Treatment: Non Certificate: On Demand Ametrine, a captivating and unique gemston...
Category

21st Century and Contemporary Brazilian Arts and Crafts Loose Gemstones

Materials

Other

9.64-Carat Bluish Green Tourmaline Elongated Emerald Cut Loose Gem by Tamir
Located in Beverly Hills, CA
An exceptional 9.64-carat natural bluish green Tourmaline, precision cut in an elongated emerald shape and offered loose and unmounted for collectors, connoisseurs, and custom jewelr...
Category

21st Century and Contemporary Afghan Modern Loose Gemstones

Materials

Emerald, Tourmaline, Other, Platinum, Yellow Gold, White Gold, Rose Gold...

GIA Certified 0.70 Carat Fancy Light Yellow I1 Clarity Diamond
Located in บางรัก, TH
Certificate: GIA Report Number: 1216998020 Shape And Cut: Pear Carat Weight: 0.70 carat Measurements: 6.72x4.97x2.90mm Color Grade: Fancy Light Yellow FEATURES OF THE DIAMOND: Our ...
Category

2010s Asian Loose Gemstones

Materials

Diamond, Yellow Diamond

Natural Cobalt Blue Spinel Gemstone, Top Grade Spinel From Tanzania 3.14 CTs
Located in Peshawar, PK
Color : Cobalt Blue Clarity : SI Treatment :Natural Origin : Tanzania Hardness : 7.5-8 Family : Oxide This stunning **Cobalt Blue Spinel gemstone** is a rare and captivating treasu...
Category

2010s Tanzanian Loose Gemstones

Materials

Spinel

Natural Blue Sapphire: Faceted Oval Cut Gemstone For Jewelry 6.02 CTs
Located in Peshawar, PK
Clarity : SI Clean Treatment: Heated Zodiac sign : virgo , Taurus, Aries Birth : September Hardness : mohs 9 knoop 1175-1380 This sapphire gemstone is a captivating example of one ...
Category

2010s Sri Lankan Loose Gemstones

Materials

Blue Sapphire

Adorable 1.75 Carat Natural Faceted Bi Colour Tourmaline Cushion Shape Gemstone
Located in Peshawar, PK
Loose Bi Colour Tourmaline Weight: 1.75 Carats Dimension: 7 x 5.8 x 5 Mm Colour: Mint Green And Pink Origin: Afghanistan Certificate: On Demand Treatment: Non Shape: Cushion Tour...
Category

21st Century and Contemporary Afghan Arts and Crafts Loose Gemstones

Materials

Tourmaline

18.30 Carat Natural Loose Amethyst Round Shape Gemstone
Located in Peshawar, PK
Stone: Amethyst Weight : 18.30 Carats Dimension: 16.5 x 16.5 x 12.9 Mm Origin: Brazil Shape: Round Color: Purple Treatment: Non Certificate: On Customer Demand Amethyst, a stunning...
Category

21st Century and Contemporary Brazilian Arts and Crafts Loose Gemstones

Materials

Amethyst

2.70 Carat Pretty Natural Loose Tourmaline Pink Shade Cushion Shape Gem
Located in Peshawar, PK
Loose Purple Shade Tourmaline Weight: 2.70 Carats Dimension: 8 x 6.8 x 6.3 Mm Colour: Purple Shade Origin: Afghanistan Certificate: On Demand Treatment: Non Shape: Cushion Tourm...
Category

21st Century and Contemporary Afghan Arts and Crafts Loose Gemstones

Materials

Tourmaline

1.75 Carat Natural Loose Sphene / Titanite Round Shape Gemstone
Located in Peshawar, PK
Loose Sphene/ Titanite Weight: 1.75 Carats Dimension: 7.2 x 7.2 x 4.4 Mm Origin: Warsak Pakistan Shape: Round Treatment: Non Certificate: On Demand Sphene, also known as titanite, ...
Category

21st Century and Contemporary Pakistani Arts and Crafts Loose Gemstones

Materials

Other

1.85 Carat Natural Loose Mint Tourmaline Square Shape Gem For Jewellery Making
Located in Peshawar, PK
Loose Mint Green Tourmaline Weight: 1.85 Carats Dimension: 7.7 x 7.4 x 4.5 Mm Colour: Mint Green Origin: Afghanistan Certificate: On Demand Treatment: Non Shape: Square Tourmalin...
Category

21st Century and Contemporary Afghan Arts and Crafts Loose Gemstones

Materials

Tourmaline

GIA Emerald Natural Diamond 1.60ct F/VS1 Loose GIA XX $2000 Credit, Inscription
By GIA
Located in San Diego, CA
Exquisite loose 1.60ct emerald-cut diamond certified by GIA with laser inscription number 1175388529. F Color and VS1 Clarity with no fluorescence. The diamond has excellent polish a...
Category

2010s American Modern Loose Gemstones

Materials

Green Sapphire, Emerald, Multi-gemstone, Rubelite, Ruby, Sapphire, Blue ...

Ancient Susanian Carved Agate Head Intaglio Bead
Located in New York, NY
An ancient Sasanian hand carved red agate intaglio bead. The bead depicts a head with a high hairstyle. Ancient Sasanian Jewelry Wares and Accessories and Collectibles. Dimensions: ...
Category

19th Century Unknown Antique Loose Gemstones

Materials

Agate, Sterling Silver

Opal Ethiopian 25.49Ct natural gemstone, Oval cabochon, Ethiopia, GFCO certified
Located in Daugavpils, LV
Natural Ethiopian Opal gemstone GFCO certified Gemstone Color: White Multicolor Gemstone Type: Opal Gemstone size: 26.44x20.65x11.38mm Cut Grade: Very Good Gemstone Shape: Pear Cabo...
Category

2010s Ethiopian Loose Gemstones

Materials

Opal

Natural Blue-Grey Spinel loose gemstone 3.52 ct. High quality, Cushion, Tanzania
Located in Daugavpils, LV
Natural Blue-Grey Spinel loose gemstone 3.52 ct., High quality, Cushion cut, Origin Tanzania. GFCO Laboratory certified Gemstone Color: Blue-Grey/Grey-Blue Gemstone Type: Spinel Gem...
Category

2010s Tanzanian Loose Gemstones

Materials

Spinel

1.50 carats Aquamarine Stone Custom Precision Cut Natural Nigeria Gemstone
Located in Bangkok, TH
Weight 1.50 carats Dimensions 8.4x5.9x5.3mm Treatment None Origin Nigeria Clarity Eye Clean Shape Rectangular Cut Custom Precision Na This exquisite 1.50 carat Aquamarine gemstone,...
Category

21st Century and Contemporary Nigerian Modern Loose Gemstones

Materials

Aquamarine

1.77 Ct Blue Sapphire Octagon Loose Gemstone
Located in Fort Lee, NJ
This natural Blue sapphire offers elegance and sophistication. With its rich color saturation and precise cutting, it is the perfect centerpiece for an engagement ring or luxury jewe...
Category

2010s Sri Lankan Loose Gemstones

Materials

Blue Sapphire

2.59 Ct Blue Sapphire Pear Loose Gemstone
Located in Fort Lee, NJ
This natural Blue sapphire offers elegance and sophistication. With its rich color saturation and precise cutting, it is the perfect centerpiece for an engagement ring or luxury jewe...
Category

2010s Sri Lankan Loose Gemstones

Materials

Blue Sapphire

Natural Spessartite Loose Garnet Gemstone 1.65 Carats Namibia Garnet for Jewelry
Located in Bangkok, TH
Natural Spessartite Loose Garnet Gemstone of 1.65 carats from Namibia has a wonderful cut in a Oval shape, incredible Red color, Great brilliance. Th...
Category

21st Century and Contemporary Namibian Modern Loose Gemstones

Materials

Garnet

2.16 Ct Blue Sapphire Pear Loose Gemstone
Located in Fort Lee, NJ
This natural Blue sapphire offers elegance and sophistication. With its rich color saturation and precise cutting, it is the perfect centerpiece for an engagement ring or luxury jewe...
Category

2010s Sri Lankan Loose Gemstones

Materials

Blue Sapphire

1.53 Ct Blue Sapphire Round Loose Gemstone
Located in Fort Lee, NJ
This natural Blue sapphire offers elegance and sophistication. With its rich color saturation and precise cutting, it is the perfect centerpiece for an engagement ring or luxury jewe...
Category

2010s Sri Lankan Loose Gemstones

Materials

Blue Sapphire

Spectacular Red Garnet For Jewelry 1.95 Carats AAA Eye Clean Loose Garnet Stone
Located in Bangkok, TH
Spectacular Red Garnet For Jewelry, Available For Sale at Wholesale Price Natural High Quality 1.95 Carats Unheated Garnet Gemstone From Madagascar. ...
Category

21st Century and Contemporary Malawian Modern Loose Gemstones

Materials

Garnet

Natural Peach Orange Tourmaline Ring Gem 4.45 Carat Cushion Loose Gemstone
Located in Peshawar, PK
Faceted Tourmaline Weight: 4.45 Carats Dimension: 11.3x8.9x6.7 Mm Origin: Afghanistan Color: Peach Orange Shape: Long Cushion Quality: AAA Certificate: On Demand . Orange tourmaline ...
Category

21st Century and Contemporary Afghan Arts and Crafts Loose Gemstones

Materials

Tourmaline

2.05 Ct Blue Sapphire Round Loose Gemstone
Located in Fort Lee, NJ
This natural Blue sapphire offers elegance and sophistication. With its rich color saturation and precise cutting, it is the perfect centerpiece for an engagement ring or luxury jewe...
Category

2010s Sri Lankan Loose Gemstones

Materials

Blue Sapphire

1.96 Ct Blue Sapphire Round Loose Gemstone
Located in Fort Lee, NJ
This natural Blue sapphire offers elegance and sophistication. With its rich color saturation and precise cutting, it is the perfect centerpiece for an engagement ring or luxury jewe...
Category

2010s Sri Lankan Loose Gemstones

Materials

Blue Sapphire

1.91 Ct Blue Sapphire Round Loose Gemstone
Located in Fort Lee, NJ
This natural Blue sapphire offers elegance and sophistication. With its rich color saturation and precise cutting, it is the perfect centerpiece for an engagement ring or luxury jewe...
Category

2010s Sri Lankan Loose Gemstones

Materials

Blue Sapphire

1.81 Ct Blue Sapphire Round Loose Gemstone
Located in Fort Lee, NJ
This natural Blue sapphire offers elegance and sophistication. With its rich color saturation and precise cutting, it is the perfect centerpiece for an engagement ring or luxury jewe...
Category

2010s Sri Lankan Loose Gemstones

Materials

Blue Sapphire

1.77 Ct Blue Sapphire Round Loose Gemstone
Located in Fort Lee, NJ
This natural Blue sapphire offers elegance and sophistication. With its rich color saturation and precise cutting, it is the perfect centerpiece for an engagement ring or luxury jewe...
Category

2010s Sri Lankan Loose Gemstones

Materials

Blue Sapphire

2.89 Ct Blue Sapphire Round Loose Gemstone
Located in Fort Lee, NJ
This natural Blue sapphire offers elegance and sophistication. With its rich color saturation and precise cutting, it is the perfect centerpiece for an engagement ring or luxury jewe...
Category

2010s Sri Lankan Loose Gemstones

Materials

Blue Sapphire

2.04 Ct Blue Sapphire Round Loose Gemstone
Located in Fort Lee, NJ
This natural Blue sapphire offers elegance and sophistication. With its rich color saturation and precise cutting, it is the perfect centerpiece for an engagement ring or luxury jewe...
Category

2010s Sri Lankan Loose Gemstones

Materials

Blue Sapphire

1.99 Ct Blue Sapphire Round Loose Gemstone
Located in Fort Lee, NJ
This natural Blue sapphire offers elegance and sophistication. With its rich color saturation and precise cutting, it is the perfect centerpiece for an engagement ring or luxury jewe...
Category

2010s Sri Lankan Loose Gemstones

Materials

Blue Sapphire

2.10 Ct Blue Sapphire Round Loose Gemstone
Located in Fort Lee, NJ
This natural Blue sapphire offers elegance and sophistication. With its rich color saturation and precise cutting, it is the perfect centerpiece for an engagement ring or luxury jewe...
Category

2010s Sri Lankan Loose Gemstones

Materials

Blue Sapphire

1.99 Ct Blue Sapphire Round Loose Gemstone
Located in Fort Lee, NJ
This natural Blue sapphire offers elegance and sophistication. With its rich color saturation and precise cutting, it is the perfect centerpiece for an engagement ring or luxury jewe...
Category

2010s Sri Lankan Loose Gemstones

Materials

Blue Sapphire

1.90 Carat Pretty Natural Loose Pink Tourmaline Oval Shape Gemstone
Located in Peshawar, PK
Loose Pink Tourmaline Weight: 1.90 Carats Dimension: 7.6 x 7.1 x 5.6 Mm Origin: Afghanistan Certificate: On Demand Treatment: Non Colour: Pink Tourmaline is a captivating gemst...
Category

21st Century and Contemporary Afghan Arts and Crafts Loose Gemstones

Materials

Tourmaline

2.40 Carat Pretty Loose Hessonite Garnet Trillion Cut Gem For Jewellery Making
Located in Peshawar, PK
Loose Hessonite Garnet Weight: 2.40 Carats Dimension: 8.2 x 8.2 x 5 Mm Colour: Orange Cut: Trillion Certificate: On Demand Hessonite garnet, also known as cinnamon stone or gomedh...
Category

21st Century and Contemporary Brazilian Arts and Crafts Loose Gemstones

Materials

Hessonite

2.01 Ct Blue Sapphire Round Loose Gemstone
Located in Fort Lee, NJ
This natural Blue sapphire offers elegance and sophistication. With its rich color saturation and precise cutting, it is the perfect centerpiece for an engagement ring or luxury jewe...
Category

2010s Sri Lankan Loose Gemstones

Materials

Blue Sapphire

2.13 Ct Blue Sapphire Round Loose Gemstone
Located in Fort Lee, NJ
This natural Blue sapphire offers elegance and sophistication. With its rich color saturation and precise cutting, it is the perfect centerpiece for an engagement ring or luxury jewe...
Category

2010s Sri Lankan Loose Gemstones

Materials

Blue Sapphire

1.92 Ct Blue Sapphire Round Loose Gemstone
Located in Fort Lee, NJ
This natural Blue sapphire offers elegance and sophistication. With its rich color saturation and precise cutting, it is the perfect centerpiece for an engagement ring or luxury jewe...
Category

2010s Sri Lankan Loose Gemstones

Materials

Blue Sapphire

1.91 Ct Blue Sapphire Round Loose Gemstone
Located in Fort Lee, NJ
This natural Blue sapphire offers elegance and sophistication. With its rich color saturation and precise cutting, it is the perfect centerpiece for an engagement ring or luxury jewe...
Category

2010s Sri Lankan Loose Gemstones

Materials

Blue Sapphire

1.90 Ct Blue Sapphire Round Loose Gemstone
Located in Fort Lee, NJ
This natural Blue sapphire offers elegance and sophistication. With its rich color saturation and precise cutting, it is the perfect centerpiece for an engagement ring or luxury jewe...
Category

2010s Sri Lankan Loose Gemstones

Materials

Blue Sapphire

1.89 Ct Blue Sapphire Round Loose Gemstone
Located in Fort Lee, NJ
This natural Blue sapphire offers elegance and sophistication. With its rich color saturation and precise cutting, it is the perfect centerpiece for an engagement ring or luxury jewe...
Category

2010s Sri Lankan Loose Gemstones

Materials

Blue Sapphire

1.79 Ct Blue Sapphire Round Loose Gemstone
Located in Fort Lee, NJ
This natural Blue sapphire offers elegance and sophistication. With its rich color saturation and precise cutting, it is the perfect centerpiece for an engagement ring or luxury jewe...
Category

2010s Sri Lankan Loose Gemstones

Materials

Blue Sapphire

AIG Certified 4.14 Carat Natural Loose Paraiba Tourmaline Heart Shape Gemstone
Located in Peshawar, PK
Loose Paraiba Tourmaline Weight: 4.14 Carat Dimension: 8.16 x 10.45 x 7.25 Mm Colour: Green Blue Shape: Heart Origin: Mozambique, Africa Treatment: Non Certificate: AIG Certificate...
Category

21st Century and Contemporary Mozambican Arts and Crafts Loose Gemstones

Materials

Tourmaline, Paraiba, Other

1.77 Ct Blue Sapphire Round Loose Gemstone
Located in Fort Lee, NJ
This natural Blue sapphire offers elegance and sophistication. With its rich color saturation and precise cutting, it is the perfect centerpiece for an engagement ring or luxury jewe...
Category

2010s Sri Lankan Loose Gemstones

Materials

Blue Sapphire

1.77 Ct Blue Sapphire Round Loose Gemstone
Located in Fort Lee, NJ
This natural Blue sapphire offers elegance and sophistication. With its rich color saturation and precise cutting, it is the perfect centerpiece for an engagement ring or luxury jewe...
Category

2010s Sri Lankan Loose Gemstones

Materials

Blue Sapphire

1.76 Ct Blue Sapphire Round Loose Gemstone
Located in Fort Lee, NJ
This natural Blue sapphire offers elegance and sophistication. With its rich color saturation and precise cutting, it is the perfect centerpiece for an engagement ring or luxury jewe...
Category

2010s Sri Lankan Loose Gemstones

Materials

Blue Sapphire

1.64 Ct Blue Sapphire Round Loose Gemstone
Located in Fort Lee, NJ
This natural Blue sapphire offers elegance and sophistication. With its rich color saturation and precise cutting, it is the perfect centerpiece for an engagement ring or luxury jewe...
Category

2010s Sri Lankan Loose Gemstones

Materials

Blue Sapphire

2.42 Ct Blue Sapphire Round Loose Gemstone
Located in Fort Lee, NJ
This natural Blue sapphire offers elegance and sophistication. With its rich color saturation and precise cutting, it is the perfect centerpiece for an engagement ring or luxury jewe...
Category

2010s Sri Lankan Loose Gemstones

Materials

Blue Sapphire

2.32 Ct Blue Sapphire Round Loose Gemstone
Located in Fort Lee, NJ
This natural Blue sapphire offers elegance and sophistication. With its rich color saturation and precise cutting, it is the perfect centerpiece for an engagement ring or luxury jewe...
Category

2010s Sri Lankan Loose Gemstones

Materials

Blue Sapphire

2.41 Ct Blue Sapphire Round Loose Gemstone
Located in Fort Lee, NJ
This natural Blue sapphire offers elegance and sophistication. With its rich color saturation and precise cutting, it is the perfect centerpiece for an engagement ring or luxury jewe...
Category

2010s Sri Lankan Loose Gemstones

Materials

Blue Sapphire

2.29 Ct Blue Sapphire Round Loose Gemstone
Located in Fort Lee, NJ
This natural Blue sapphire offers elegance and sophistication. With its rich color saturation and precise cutting, it is the perfect centerpiece for an engagement ring or luxury jewe...
Category

2010s Sri Lankan Loose Gemstones

Materials

Blue Sapphire

Natural Unheated Pink Madagascar Sapphire Gemstone 3.07 carats with GIA Report
Located in Los Angeles, CA
Identification: Natural Pink Sapphire • Carat: 3.07 carats • Shape: Cushion • Measures: 8.51 x 8.27 x 4.62 mm • Color: Purplish Pink • Cut: Modified Brilliant/step Pink, a colo...
Category

21st Century and Contemporary Malagasy Loose Gemstones

Materials

Pink Sapphire

2.02 Ct Blue Sapphire Round Loose Gemstone
Located in Fort Lee, NJ
This natural Blue sapphire offers elegance and sophistication. With its rich color saturation and precise cutting, it is the perfect centerpiece for an engagement ring or luxury jewe...
Category

2010s Sri Lankan Loose Gemstones

Materials

Blue Sapphire

1.21 Ct Blue Sapphire Round Loose Gemstone
Located in Fort Lee, NJ
This natural Blue sapphire offers elegance and sophistication. With its rich color saturation and precise cutting, it is the perfect centerpiece for an engagement ring or luxury jewe...
Category

2010s Sri Lankan Loose Gemstones

Materials

Blue Sapphire

1.24 Carat Octagon Mozambique Ruby
Located in Khet Bang Rak, 10
This 1.24 carat octagon-cut Mozambique ruby displays a rich, well-balanced color and strong clarity, reflecting its good overall quality. Octagon rubies are less commonly found and...
Category

21st Century and Contemporary Thai Modern Loose Gemstones

Materials

Ruby

1.08 Ct Blue Sapphire Round Loose Gemstone
Located in Fort Lee, NJ
This natural Blue sapphire offers elegance and sophistication. With its rich color saturation and precise cutting, it is the perfect centerpiece for an engagement ring or luxury jewe...
Category

2010s Sri Lankan Loose Gemstones

Materials

Blue Sapphire

Loose Gemstones for Sale on 1stDibs

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.

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