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Loose Gemstones

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Loose Gemstones For Sale
Natural Green Colombian Emerald Stone 1.86 carats with GIA Report / JupiterGem
Located in Los Angeles, CA
Colombian gems are renowned for their vibrant bluish-green hue, epitomized by this 1.86-carat pear-shaped emerald. GIA-certified, this gem has been meticulously fashioned, displaying...
Category

21st Century and Contemporary Colombian Loose Gemstones

Materials

Emerald

Natural Topaz Gemstone: Golden Cushion Cut, 3.43 Carats
Located in Peshawar, PK
Color : Golden Shape : Cushion Cut Clarity : Loupe Clean Treatment : Heat Origin : Pakistan Hardness : 8 This golden Topaz gemstone is a radiant and elegant treasure admired for it...
Category

2010s Pakistani Loose Gemstones

Materials

Topaz

Vivid Green Natural Tsavorite Loose Gemstone 1.43 Ct Oval Cut for Ring-Jewelry
Located in Peshawar, PK
Vivid Green Natural Tsavorite Loose Gemstone for Ring, Necklace Pendant, Bracelet or any other Jewelry Setting-Oval Cushion Cut!! 💎 GEMSTONE TYPE: Tsavorite ⚖️ WEIGHT: 1.43 Carat ...
Category

21st Century and Contemporary Tanzanian Contemporary Loose Gemstones

Materials

Tsavorite

4.80 Carat Natural Loose Bi colour Tourmaline Emerald Shape Gemstone
Located in Peshawar, PK
Loose Bi Colour Tourmaline Weight: 4.80 Carats Dimension: 10.4 x 8.4 x 6.3 Mm Origin: Afghanistan Certificate: On Demand Treatment: Non Colour: Black And Blue Tourmaline is a cap...
Category

21st Century and Contemporary Afghan Arts and Crafts Loose Gemstones

Materials

Tourmaline

34.90 Carats Multiple Colors Tourmaline Pear Cut Stone Natural Fine Gemstones
Located in Jaipur, RJ
34.90 Carats Multi Tourmaline Pear Cut Stone Natural Gem For Top Fine Jewelry Gemstone: Multi Tourmaline Weight: 34.90 Carats Size: 4x3 To 9x7 MM Shape: Pear
Category

21st Century and Contemporary Afghan Art Deco Loose Gemstones

Materials

Tourmaline

Natural Burma Ruby - Burma Star Ruby -No Heat Burmese Ruby Cabochon Gemstone
Located in Jaipur, RJ
Natural Burma Ruby Star Ruby No Heat Cabochon Gemstone 65.03 Carats 58 Pieces (For Jewelry Making)
Category

21st Century and Contemporary Burmese Art Deco Loose Gemstones

Materials

Ruby, Star Ruby

GIA Certified Paraiba Tourmaline 1.52 Carat Natural
Located in Punta Gorda, FL
It comes with the Original GIA Certificate Natural Paraiba Tourmaline Carat Weight: 1.52 Carats Measurements: 6.99 x 6.13 x 5.57 mm
Category

21st Century and Contemporary Contemporary Loose Gemstones

Materials

Tourmaline, Paraiba

1.20 Ct Blue Sapphire Oval 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

Long Emerald Shape 5.95 Carat Natural Loose Mint Green Tourmaline Gemstone
Located in Peshawar, PK
Loose Tourmaline Weight: 5.95 Carats Dimension: 15.5 x 6.9 x 6 Mm Colour: Mint Green Shape: Long Emerald Treatment: None Certificate: On Demand Mint green tourmaline, a variet...
Category

21st Century and Contemporary Afghan Arts and Crafts Loose Gemstones

Materials

Tourmaline

6.88 Carat Natural Loose Hessonite Garnet Cushion Shape Gemstone
Located in Peshawar, PK
Loose Hessonite Garnet Weight: 6.88 Carats Dimension: 11.9 x 9.6 x 6.8 Mm Origin: Afghanistan Shape: Cushion Color: Rust Orange Treatment: Non Certificate: On Demand Hessonite gar...
Category

21st Century and Contemporary Afghan Arts and Crafts Loose Gemstones

Materials

Garnet, Hessonite

Brilliant 1.01ct Natural Oval-Shaped Diamond - IGI Certified
Located in רמת גן, IL
Brilliant 1.01ct Natural Oval-Shaped Diamond - IGI Certified This exceptional 1.01ct oval-cut diamond is a rare treasure of timeless beauty and versatility. It offers remarkable tra...
Category

2010s Israeli Loose Gemstones

Materials

Diamond

Real Pink Morganite Pear Faceted Cut 35.35x21.41x15.28MM Loose Gemstone Jewelry
Located in New York, NY
PRODUCT DETAILS..........❤️ ★ Gem Type: Natural Pink Morganite ★ Weight: 61.54 Carats ★ Measurements (Length x Width x Height): 35.35mm length x21.41mm width x15.28 Height ★ Shape: ...
Category

21st Century and Contemporary African Loose Gemstones

Materials

Morganite

2.40 Carat Natural Loose Teal Tourmaline Cushion Shape Gem
Located in Peshawar, PK
Faceted Teal Tourmaline Weight: 2.40 Carat Dimension: 8 x 7.1 x 5.7 Mm Colour: Teal Treatment: Non Certificate: On Customer Demand Shape: Cushion Tourmaline is a captivating gems...
Category

21st Century and Contemporary Central African Arts and Crafts Loose Gemstones

Materials

Tourmaline

"Gigantic Water Melon" 705 Carats Bi Color Tourmaline Loose Gemstone Incredible
Located in Hung Hom, HK
Step into the extraordinary with this breathtaking 705 carat bi-color tourmaline, affectionately named the “Gigantic Watermelon.” This monumental gemstone is a true marvel of nature,...
Category

2010s Japanese Loose Gemstones

Materials

Tourmaline

Gorgeous 2.25 Carat Natural Loose Mint Tourmaline Cushion Cut From Afghanistan
Located in Peshawar, PK
Gemstone Type : Tourmaline Weight : 2.25 Carats Dimensions : 7.4x7.3x5.9 Mm Origin : Kunar Afghanistan Clarity : Eye Clean Shape: Cushion Color: Mint Certificate: On Demand Mint tou...
Category

2010s Afghan Arts and Crafts Loose Gemstones

Materials

Tourmaline

Natural Unheated Padparadscha Sapphire Gemstone 1.54 carats with GIA Report
Located in Los Angeles, CA
Experience the unique charm of a Natural Unheated Padparadscha Sapphire 1.54 carats with GIA Report , a delightful gem weighing 1.54 carats, accompanied by a GIA Report for authentic...
Category

21st Century and Contemporary Unknown Loose Gemstones

Materials

Sapphire

Natural Purple Amethyst 6.26 Ct Round Concave Cut Loose Gemstone - for Jewelry
Located in Peshawar, PK
Purple Natural Amethyst Loose Gemstone for Ring, Necklace Pendant, Bracelet or any other Jewelry Setting-Concave Round Cut!! 💎 GEMSTONE TYPE: Amethyst ⚖️ WEIGHT: 6.26 Carats 🪚 SH...
Category

21st Century and Contemporary Brazilian Contemporary Loose Gemstones

Materials

Amethyst

7.40 Carat Loose Dual Sugarloaf Madeira Citrine Cabochon Round Shape Gem
Located in Peshawar, PK
Loose Dual Sugarloaf Madeira Citrine Cabochon Weight: 7.40 Carats Dimension: 10 x 10 x 7.7 Mm And 8.5 x 8.5 x 6 Mm Colour: Orange Shape: Round Certificate: On Demand Madeira citr...
Category

21st Century and Contemporary Brazilian Arts and Crafts Loose Gemstones

Materials

Citrine

Light Sky Blue Swiss Topaz 8.50 Ct Natural Loose Gemstone - Emerald Cut for Ring
Located in Peshawar, PK
💎 GEMSTONE TYPE: Swiss Topaz ⚖️ WEIGHT: 8.50 Carats 🪚 SHAPE & CUT: Emerald Cut 📏 SIZE (MM): 11.75 x 11.52 x 8.16 🌈 COLOR: Light Blue 🔎 CLARITY: Approx Eye Clean 🧪 TREATMENT: No...
Category

21st Century and Contemporary Brazilian Contemporary Loose Gemstones

Materials

Emerald, Topaz, Blue Topaz

1.80 Carat Natural Loose Purple Spinel Cushion Shape Gemstone
Located in Peshawar, PK
Faceted Purple Spinel Weight : 1.80 Carat Dimension: 7.2 x 7.2 x 4.4 Mm Treatment: Non Shape : Cushion Colour: Purple Spinel is a captivating gemstone prized for its brilliant colo...
Category

21st Century and Contemporary Malagasy Arts and Crafts Loose Gemstones

Materials

Spinel

1 Paraiba Tourmaline fac. 5.26c cushion shape
Located in Idar-Oberstein, DE
This Paraiba Tourmaline, 5,26c, cushion shape 12,9,x9,5mm, is eyeclean and comes from Mocambique. The color can be described to be a swiming pool blue/green color.
Category

2010s European Contemporary Loose Gemstones

Materials

Paraiba

2.26 Ct Blue Sapphire Oval 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

1.95 Ct Blue Sapphire Oval 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

Sea Blue 12.39 Carat Royal Emerald Cut Aquamarine Cocktail Ring Loose Gems
Located in Bangkok, TH
Aquamarine is a semi-precious gemstone of the Beryl mineral family, its light blue color and high transparency make it more valuable and desirable. The name Aquamarine is derived f...
Category

21st Century and Contemporary Pakistani Modern Loose Gemstones

Materials

Aquamarine

7.05 Carats Loose London Blue Topaz Gemstone Fancy Cut
Located in Brisbane, AU
Loose London Blue Topaz Weight: 7.05 Carats Dimension: 11.5 x 12.3 x 7.8 Mm Shape: Pear Colour: Blue Origin: Brazil Certificate: On Demand . London Blue Topaz is believed to offer b...
Category

21st Century and Contemporary Brazilian Arts and Crafts Loose Gemstones

Materials

Blue Topaz, Other

0.69 Ct Blue Sapphire Oval 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

2.86 Ct Blue Sapphire Cushion 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

3.55 Carats Natural Loose Aquamarine Ring Gem From Shigar Valley Mine
Located in Peshawar, PK
Facet Aquamarine Weight: 3.55 Carats Dimension: 9x8.1x7 Mm Origin: Shigar Valley Pakistan Shape: Cushion Color: Light Blue Treatment: Non Quality: SI Aquamarine is a captivating g...
Category

21st Century and Contemporary Pakistani Aesthetic Movement Loose Gemstones

Materials

Aquamarine

1.39 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

1.39 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

42.20 Carat Gorgeous Faceted London Blue Topaz Emerald Shape Gemstone
Located in Peshawar, PK
Loose London Blue Topaz Weight: 42.20 Carats Dimension: 22 x 15.3 x 12.6 Mm Origin: Brazil Shape: Emerald Color: Deep Blue Certificate: On Customer Demand London Blue Topaz is a m...
Category

21st Century and Contemporary Brazilian Arts and Crafts Loose Gemstones

Materials

Blue Topaz

1.30 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

1.28 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

1.25 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

1.25 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 Natural Loose Purplish Pink Spinel From Myanmar Mine
Located in Peshawar, PK
Faceted Purplish Pink Spinel Weight : 1.90 Carat Dimension: 8.2 x 6.2 x 4.3 Mm Treatment: Non Shape : Cushion Colour: Purplish Pink Spinel is a captivating gemstone prized for its ...
Category

21st Century and Contemporary Burmese Arts and Crafts Loose Gemstones

Materials

Spinel

1.16 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 Pinkish Purple Sapphire Gemstone 4.23 carats with GIA Report
Located in Los Angeles, CA
Discover the enchanting beauty of this natural unheated purple sapphire, weighing 4.23 carats. This exquisite gemstone showcases a unique pinkish purple hue, making it a standout pie...
Category

21st Century and Contemporary Unknown Loose Gemstones

Materials

Sapphire, Purple Sapphire

2.20 Carat Natural Loose Bi Colour Tourmaline Emerald Shape Gem For Jewellery
Located in Peshawar, PK
Loose Bi Colour Tourmaline Weight: 2.20 Carats Dimension: 9.4 x 5.6 x 4.5 Mm Colour: Mint And Aqua Blue Origin: Afghanistan Certificate: On Demand Treatment: Non Tourmaline is a cap...
Category

21st Century and Contemporary Afghan Arts and Crafts Loose Gemstones

Materials

Tourmaline

2.85 Carat Natural Loose Green Lagoon Tourmaline Long Cushion Shape Kunar Mine
Located in Peshawar, PK
Loose Tourmaline Weight: 2.85 Carats Dimension: 9.3x6.6x5 Mm Origin: Kunar Afghanistan Shape: Cushion Color: Green Lagoon treatment: Non Lagoon tourmaline, a stunning variety of the mineral tourmaline, derives its name from its striking blue-green color reminiscent of the tranquil waters of a lagoon. This gemstone is highly prized in the world of jewelry due to its captivating hue and exceptional brilliance. The lagoon tourmaline's coloration can range from pale aqua to deep teal, often displaying a mesmerizing gradient within a single gem. This variety's vibrant color is the result of the presence of trace elements like copper and manganese, which interact with the crystal's structure to produce these striking shades. Lagoon tourmalines are typically sourced from various locations around the world, including Brazil, Mozambique, and Afghanistan. The Brazilian variety, known for its intense blue-green color, is particularly sought after. These gemstones are generally found in pegmatite rocks and are typically cut into various shapes for use in jewelry, from classic faceted...
Category

21st Century and Contemporary Afghan Aesthetic Movement Loose Gemstones

Materials

Tourmaline

1.13 Ct Pink Sapphire Round Loose Gemstone
Located in Fort Lee, NJ
This natural Pink 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

Pink Sapphire

1.96 Ct Blue Sapphire Oval 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

1.75 Ct Blue Sapphire Oval 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

1.62 Ct Blue Sapphire Oval 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

1.59 Ct Blue Sapphire Oval 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

1.58 Ct Blue Sapphire Oval 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

5.05 Carat Natural Loose Apple Green Peridot Butterfly Cut Gemstone
Located in Peshawar, PK
Loose Peridot Weight: 5.05 Carats Dimension: 9.9 x 8.4 x 7.5 Mm Origin: Pakistan Shape: Cushion Cut : Butterfly Color: Green Treatment: Non Pakistan peridot is a stunning variety o...
Category

21st Century and Contemporary Pakistani Arts and Crafts Loose Gemstones

Materials

Peridot

1.53 Ct Blue Sapphire Oval 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

1.47 Ct Blue Sapphire Oval 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

1.50 Carat Natural Loose Purple Amethyst Stone Trilliant Cut Brazilian Gemstone
Located in Bangkok, TH
Weight 1.50 carat Dimensions 8.8x8.8x5.3mm Treatment None Origin Brazil Clarity Loup Clean Shape Cut Trilliant This 1.50 Carat Natural Loose Purple Amethyst Stone features a...
Category

21st Century and Contemporary Brazilian Modern Loose Gemstones

Materials

Amethyst

1.44 Ct Blue Sapphire Oval 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

1.40 Ct Blue Sapphire Oval 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

1.38 Ct Blue Sapphire Oval 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

1.27 Ct Blue Sapphire Oval 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

10.30 Carats Natural Bolivian Loose Ametrine Bi Color Gem For Jewellery Making
Located in Peshawar, PK
Loose Ametrine Weight: 10.30 Carats Dimension: 11.9x13.5x9.2 Mm Origin: Bolivia Shape: Oval Cushion Color: Purple & Yellow Treatment: Non Certificate: On Client Demand Ametrine i...
Category

21st Century and Contemporary Bolivian Arts and Crafts Loose Gemstones

Materials

Amethyst, Citrine

1.19 Ct Blue Sapphire Oval 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

Bluish Mint Green Tourmaline 4.20 Ct Cushion Cut Natural Loose Gemstone for Ring
Located in Peshawar, PK
Natural Vivid Bluish Hue Minty Green Tourmaline – Square Cushion Cut Gemstone for Fine Ring, Pendant, Engagement Ring or Custom Jewelry 💎 GEMSTONE TYPE: Tourmaline ⚖️ WEIGHT: 4.20 ...
Category

21st Century and Contemporary Afghan Contemporary Loose Gemstones

Materials

Tourmaline

Green Tourmaline 4.68 Ct Emerald a Cushion Cut Natural Loose Gemstones Parcel
Located in Peshawar, PK
Natural Darkish Green Tourmaline – Emerald and a Cushion Cut Loose Gemstones Parcel for Ring, Pendant, or Fine Custom Jewelry 💎 GEMSTONE TYPE: Tourmaline ⚖️ WEIGHT: 4.68 Carat 🪚 ...
Category

21st Century and Contemporary Afghan Contemporary Loose Gemstones

Materials

Tourmaline

1.10 Ct Blue Sapphire Oval 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

2.64 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

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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