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Amethyst Loose Gemstones

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3.20 Carat Natural Loose Green Amethyst Cushion Shape Gem
Located in Peshawar, PK
Loose Green Amethyst Weight: 3.20 Carats Dimension: 9 x 8.6 x 6.8 Mm Colour: Light Green Origin
Category

21st Century and Contemporary Brazilian Arts and Crafts Loose Gemstones

Materials

Amethyst

7.05 Carat Natural Loose Green Amethyst Emerald Shape Gem
Located in Peshawar, PK
Loose Green Amethyst Weight: 7.05 Carats Dimension: 12.7 x 9.8 x 8.4 Mm Colour: Light Green Origin
Category

21st Century and Contemporary Brazilian Arts and Crafts Loose Gemstones

Materials

Amethyst

3.20 Carat Natural Loose Green Amethyst Cushion Shape Gem
Located in Peshawar, PK
Loose Green Amethyst Weight: 3.20 Carats Dimension: 9 x 8.2 x 6.7 Mm Colour: Light Green Origin
Category

21st Century and Contemporary Brazilian Arts and Crafts Loose Gemstones

Materials

Amethyst

Blader Trillion Cut Amethyst Gemstone: 37.05 Carats, February Birthstone
Located in Peshawar, PK
This exquisite Amethyst gemstone from Brazil showcases the timeless beauty and mystique for which
Category

2010s Brazilian Loose Gemstones

Materials

Amethyst

Natural Amethyst Gemstone: 13.96 Carat, Fancy Cut, February Birthstone
Located in Peshawar, PK
gemstone** from **Brazil** showcases the rich elegance and timeless appeal for which amethyst is renowned
Category

2010s Brazilian Loose Gemstones

Materials

Amethyst

9.05 Carats Natural Loose Amethyst Ring Gem Brazil Mine
Located in Peshawar, PK
Loose Amethyst Weight: 9.05 Carats Dimension: 15.1x12.3x7.3 Mm Origin: Brazil Shape: Cushion
Category

21st Century and Contemporary Bolivian Arts and Crafts Loose Gemstones

Materials

Amethyst

65.45 Carat Spectacular Natural Loose Amethyst Cushion Shape Gem
Located in Peshawar, PK
, pink, and blue gemstones in multi-stone pieces. Whether for spiritual or aesthetic reasons, amethyst
Category

21st Century and Contemporary Brazilian Arts and Crafts Loose Gemstones

Materials

Amethyst

10.40 Carat Natural Loose Amethyst Sugarloaf Cabochon For Ring
Located in Peshawar, PK
Stone: Amethyst Weight : 10.40 Carats Dimension: 15.4 x 11.9 x 8.3 Mm Origin: Brazil Shape
Category

21st Century and Contemporary Brazilian Arts and Crafts Loose Gemstones

Materials

Amethyst

Top Quality Huge 50 Carats Loose Amethyst Cushion Shape
Located in Peshawar, PK
, pink, and blue gemstones in multi-stone pieces. Whether for spiritual or aesthetic reasons, amethyst
Category

21st Century and Contemporary Brazilian Arts and Crafts Loose Gemstones

Materials

Amethyst

5.14 ct Brazil Natural Amethyst Gemstone Emerald Cut 12X8
Located in Warren, NJ
This exquisite 5.14 ct Amethyst Gemstone is a must-have for any jewelry enthusiast. The gemstone is
Category

Vintage 1980s Brazilian Loose Gemstones

Materials

Amethyst

13.85 Carat Natural Loose Amethyst Gem For Necklace Jewelry
Located in Peshawar, PK
Loose Amethyst Weight: 13.85 Carats Dimension: 18.9 x 11.1 x 9.6 Mm Colour: Purple Origin: Brazil
Category

21st Century and Contemporary Brazilian Arts and Crafts Loose Gemstones

Materials

Amethyst

Fancy Cut Amethyst Citrine Gemstone Reverse Pair: February Birthstone
Located in Peshawar, PK
This exceptional Amethyst and Citrine gemstone from Brazil beautifully showcases the natural
Category

2010s Brazilian Loose Gemstones

Materials

Amethyst, Citrine

6.60 Carat Natural Loose Ametrine Pair Gemstone For Jewellery Making
Located in Peshawar, PK
a unique and striking gemstone that combines both amethyst and citrine in a single crystal. Its
Category

21st Century and Contemporary Brazilian Arts and Crafts Loose Gemstones

Materials

Amethyst, Citrine, Other

19.60 Carat Natural Loose Ametrine Emerald Shape Gemstone From Bolivia
Located in Peshawar, PK
striking gemstone that combines both amethyst and citrine in a single crystal. Its distinctive appearance
Category

21st Century and Contemporary Bolivian Arts and Crafts Loose Gemstones

Materials

Citrine, Amethyst, Other

22.40 Carat Natural Loose Ametrine Cushion Cut Gemstone From Bolivia
Located in Peshawar, PK
striking gemstone that combines both amethyst and citrine in a single crystal. Its distinctive appearance
Category

21st Century and Contemporary Bolivian Arts and Crafts Loose Gemstones

Materials

Citrine, Amethyst, Other

15.30 Carat Natural Loose Ametrine Pixel Cut Gemstone From Bolivia
Located in Peshawar, PK
gemstone that combines both amethyst and citrine in a single crystal. Its distinctive appearance features a
Category

21st Century and Contemporary Bolivian Arts and Crafts Loose Gemstones

Materials

Citrine, Amethyst, Other

14.45 Carat Natural Loose Ametrine Octagon Cut Gemstone From Bolivia
Located in Peshawar, PK
striking gemstone that combines both amethyst and citrine in a single crystal. Its distinctive appearance
Category

21st Century and Contemporary Bolivian Arts and Crafts Loose Gemstones

Materials

Amethyst, Citrine, Other

13.80 Carat Natural Loose Ametrine Heart Shape Gemstone From Bolivia
Located in Peshawar, PK
& Yellow Treatment: Non Certificate: On Client Demand . Ametrine is a unique and striking gemstone that
Category

21st Century and Contemporary Bolivian Arts and Crafts Loose Gemstones

Materials

Citrine, Amethyst, Other

Natural Amethyst Gemstone: Flower Fish Eye Cut, February Birthstone
Located in Peshawar, PK
This exquisite bi-color Sapphire gemstone is a striking example of nature’s artistry and durability
Category

2010s Brazilian Loose Gemstones

Materials

Amethyst

Natural Bolivian Ametrine Fancy Cut Loose Gemstone for Pendant Brooch
By Vaibhav Dhadda
Located in Jaipur, Rajasthan
Natural bolivian ametrine fancy cut loose gemstone for pendant brooch The Ametrine fancy shield
Category

21st Century and Contemporary Indian Contemporary Loose Gemstones

Materials

Amethyst, Citrine, Other

Pinkish Purple Amethyst Gemstone: 18.55 Carat Pear Cut for Jewelry
Located in Peshawar, PK
Origin : Brazil Hardness : 7 Family : Quartz This beautiful **Amethyst gemstone** showcases the timeless
Category

2010s Brazilian Loose Gemstones

Materials

Amethyst

Natural Amethyst Gemstone: 9.49 Carat, Round Fancy Cut, February Birthstone
Located in Peshawar, PK
**Brazil**, one of the world’s most renowned origins for fine amethyst, this gemstone reflects high quality
Category

2010s Brazilian Loose Gemstones

Materials

Amethyst

5.75 Carat Emerald Shape Natural Loose Amethyst For Jewellery Making
Located in Peshawar, PK
Loose Amethyst Weight: 5.75 Carats Dimension: 12.5 x 9.1 x 7.5 Mm Origin: Brazil Treatment: Non
Category

21st Century and Contemporary Brazilian Arts and Crafts Loose Gemstones

Materials

Amethyst

Natural Brazil Amethyst 1.4 ct Emerald Cut Gemstone Brazil 8X6
Located in Warren, NJ
This beautiful amethyst gemstone, weighing 1.4 carats, is perfect for those looking for a high
Category

Vintage 1980s Brazilian Loose Gemstones

Materials

Amethyst

14.55 Carats Perfect Asscher Cut Loose Purple Amethyst Brazil Mine
Located in Brisbane, AU
Natural Amethyst Weight: 14.55 Carats Dimension: 14.8x14.7x11.3 Mm Color: Purple Treatment: Non
Category

21st Century and Contemporary Brazilian Arts and Crafts Loose Gemstones

Materials

Amethyst

13.40 Carat Natural Loose Ametrine Hexagon Cut Gemstone From Jewellery
Located in Peshawar, PK
gemstone that displays a harmonious blend of two stunning colors: purple and yellow. Also known as trystine
Category

21st Century and Contemporary Brazilian Arts and Crafts Loose Gemstones

Materials

Amethyst, Citrine

10.50 Carat Natural Loose Deep Purple Amethyst Emerald Shape Gem
Located in Peshawar, PK
, pink, and blue gemstones in multi-stone pieces. Whether for spiritual or aesthetic reasons, amethyst
Category

21st Century and Contemporary Brazilian Arts and Crafts Loose Gemstones

Materials

Amethyst

21.95 Carat Natural Loose Deep Purple Amethyst Emerald Shape Gem
Located in Peshawar, PK
Stone: Amethyst Weight : 21.95 Carats Dimension: 19.6 x 14.5 x 11.1 Mm Origin: Brazil Shape
Category

21st Century and Contemporary Brazilian Arts and Crafts Loose Gemstones

Materials

Amethyst

Bicolor Ametrine 34.75Ct Emerald Cut Natural Loose Gemstone for Necklace Pendant
Located in Peshawar, PK
Natural Bi-Color Ametrine Emerald Cut Loose Gemstone Purple and Golden Yellow Quartz for Fine
Category

21st Century and Contemporary Brazilian Contemporary Loose Gemstones

Materials

Amethyst, Citrine, Quartz

12.15 Carat Natural Loose Amethyst Emerald Shape Gem From Brazil
Located in Peshawar, PK
Loose Amethyst Weight: 12.15 Carats Dimension: 16.2 x 11.7 x 9.5 Mm Colour: Purple Origin: Brazil
Category

21st Century and Contemporary Brazilian Arts and Crafts Loose Gemstones

Materials

Amethyst

10.30 Carat Natural Loose Amethyst Flower Cut Gem For Necklace
Located in Peshawar, PK
Loose Amethyst Weight: 10.30 Carats Dimension: 15 x 12.4 x 9.6 Mm Colour: Purple Origin: Brazil
Category

21st Century and Contemporary Brazilian Arts and Crafts Loose Gemstones

Materials

Amethyst

26.95 Carat Natural Loose Amethyst Round Shape Gem For Jewellery
Located in Peshawar, PK
Loose Amethyst Weight: 26.95 Carats Dimension: 20 x 20 x 13.2 Mm Colour: Purple Origin: Brazil
Category

21st Century and Contemporary Brazilian Arts and Crafts Loose Gemstones

Materials

Amethyst

9.65 Carat Natural Loose Amethyst Trillion Shape Gem For Necklace
Located in Peshawar, PK
Loose Amethyst Weight: 9.65 Carats Dimension: 13 x 14.9 x 10.8 Mm Colour: Purple Origin: Brazil
Category

21st Century and Contemporary Brazilian Arts and Crafts Loose Gemstones

Materials

Amethyst

14.65 Carat Natural Loose Amethyst Asscher Shape Gem For Necklace
Located in Peshawar, PK
Loose Amethyst Weight: 14.65 Carats Dimension: 14.8 x 14.7 x 11.3 Mm Colour: Purple Origin: Brazil
Category

21st Century and Contemporary Brazilian Arts and Crafts Loose Gemstones

Materials

Amethyst

8.25 Carat Natural Loose Amethyst Polygon Shape Ring Size Gem
Located in Peshawar, PK
Loose Amethyst Weight: 8.25 Carat Dimension: 15.9 x 11 x 8 Mm Origin: Brazil Treatment: None
Category

21st Century and Contemporary Brazilian Arts and Crafts Loose Gemstones

Materials

Amethyst

9.50 Carat Natural Loose Amethyst Emerald Shape Gem For Necklace
Located in Peshawar, PK
Loose Amethyst Weight: 9.50 Carats Dimension: 13.5 x 11.3 x 9.4 Mm Colour: Purple Origin: Brazil
Category

21st Century and Contemporary Brazilian Arts and Crafts Loose Gemstones

Materials

Amethyst

50.00 Carat Natural Loose Lavender Purple Amethyst Cushion Shape Gem
Located in Peshawar, PK
Stone: Amethyst Weight : 50.00 Carats Dimension: 23 x 20 x 15.7 Mm Origin: Brazil Shape: Cushion
Category

21st Century and Contemporary Brazilian Arts and Crafts Loose Gemstones

Materials

Amethyst

Gorgeous 4.60 Carats Natural Loose Deep Purple Amethyst Ring Gem
Located in Peshawar, PK
Loose Amethyst Weight: 4.60 Carats Dimension: 12x9.7x7.2 Mm Origin: Brazil Shape: Oval Color
Category

21st Century and Contemporary Brazilian Arts and Crafts Loose Gemstones

Materials

Amethyst

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

18.85 Carat Pretty Dark Purple Loose Amethyst Flower Cut Gem
Located in Peshawar, PK
Loose Amethyst Weight: 18.85 Carats Dimension: 17.6 x 15.6 x 11.4 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

9.95 Carats Natural Loose Amethyst Pixelated Cut Gem For Necklace
Located in Peshawar, PK
Loose Amethyst Weight: 9.95 Carats Dimension: 18 x 10 x 7.6 Mm Colour: Purple Origin: Brazil
Category

21st Century and Contemporary Brazilian Arts and Crafts Loose Gemstones

Materials

Amethyst

16.80 Carat Natural Loose Amethyst Square Shape Gem For Necklace
Located in Peshawar, PK
Loose Amethysts Weight: 16.80 Carats Dimension: 15 x 14.9 x 12.5 Mm Colour: Purple Origin: Brazil
Category

21st Century and Contemporary Brazilian Arts and Crafts Loose Gemstones

Materials

Amethyst

9.70 Carat Natural Loose Amethyst Square Shape Gem February Birthstone
Located in Peshawar, PK
Loose Amethyst Weight: 9.70 Carats Dimension: 12.3 x 12.1 x 10.1 Mm Colour: Purple Origin: Brazil
Category

21st Century and Contemporary Brazilian Arts and Crafts Loose Gemstones

Materials

Amethyst

9.05 Carat Natural Loose Amethyst Octagon Shape Gem For Necklace
Located in Peshawar, PK
Loose Amethyst Weight: 9.05 Carats Dimension: 15.5 x 10 x 8.3 Mm Colour: Purple Origin: Brazil
Category

21st Century and Contemporary Brazilian Arts and Crafts Loose Gemstones

Materials

Amethyst

9.00ct Natural Brazilian Round Loose Amethyst (14mm) of Royal Purple Colour
Located in MELBOURNE, AU
Fine Round Natural Amethyst of impressive size – 9.00ct (14mm x 11mm) of Brazilian origin, of
Category

2010s Brazilian Loose Gemstones

Materials

Amethyst

8.50 Carat Natural Loose Amethyst Square Shape Gem For Jewellery
Located in Peshawar, PK
Loose Amethyst Weight: 8.50 Carats Dimension: 13.3 x 13.1 x 8.2 Mm Colour: Purple Origin: Brazil
Category

21st Century and Contemporary Brazilian Arts and Crafts Loose Gemstones

Materials

Amethyst

44.70 carats Amethyst Flower Carved Top Quality Ring Natural Gemstone
Located in Jaipur, RJ
44.70 carats Amethyst Flower Carved Top Quality Ring Natural Gemstone Gemstone-Amethyst Shape
Category

21st Century and Contemporary Loose Gemstones

Materials

Amethyst

13.20 Carat Natural Loose Amethyst February Birthstone Gem For Necklace
Located in Peshawar, PK
Loose Amethyst Weight: 13.20 Carats Dimension: 16.6 x 13.4 x 9.8 Mm Colour: Purple Origin: Brazil
Category

21st Century and Contemporary Brazilian Arts and Crafts Loose Gemstones

Materials

Amethyst

8.75 Carat Natural Loose Amethyst Octagon Shape Gem For Necklace
Located in Peshawar, PK
Loose Amethyst Weight: 8.75 Carats Dimension: 13.6 x 13.6 x 9.2 Mm Colour: Purple Origin: Brazil
Category

21st Century and Contemporary Brazilian Arts and Crafts Loose Gemstones

Materials

Amethyst

Scissor Cut 3.85 Carat Natural Loose Ametrine Pair Gemstone For Jewellery
Located in Peshawar, PK
. Ametrine is a unique and striking gemstone that combines both amethyst and citrine in a single crystal. Its
Category

21st Century and Contemporary Bolivian Arts and Crafts Loose Gemstones

Materials

Amethyst, Citrine, Other

5.45 Carat Natural Loose Ametrine Pair Scissors Cut Gemstone From Bolivia
Located in Peshawar, PK
Demand . Ametrine is a unique and striking gemstone that combines both amethyst and citrine in a single
Category

21st Century and Contemporary Bolivian Arts and Crafts Loose Gemstones

Materials

Amethyst, Citrine, Other

4.05 carats Loose Purple Amethyst Custom Precision Cut Natural Brazilian Stone
Located in Bangkok, TH
Octagon Cut Custom Precision This exquisite 4.05 carat loose purple amethyst is a stunning example of
Category

21st Century and Contemporary Brazilian Modern Loose Gemstones

Materials

Amethyst

50.40 carats Amethyst Flower Carved Top Quality Ring Natural Gemstone
Located in Jaipur, RJ
50.40 carats Amethyst Flower Carved Top Quality Ring Natural Gemstone Gemstone-Amethyst Shape
Category

21st Century and Contemporary Loose Gemstones

Materials

Amethyst

10.77 Carat Ametrine Emerald Cut Loose Gemstone – Merkaba Jewelry Beverly Hills
By Tamir
Located in Beverly Hills, CA
This exceptional loose Ametrine from Merkaba Jewelry Beverly Hills weighs approximately 10.77
Category

21st Century and Contemporary Bolivian Contemporary Loose Gemstones

Materials

Amethyst, Citrine, Quartz, Emerald

7.25 Carat Natural Loose Green Amethyst \ Prasiolite Long Trillion Shape Gem
Located in Peshawar, PK
Loose Green Amethyst Weight: 7.25 Carats Dimension: 21 x 11.2 x 7.5 Mm Colour: Light Green Origin
Category

21st Century and Contemporary Brazilian Arts and Crafts Loose Gemstones

Materials

Amethyst

14.25 Carat Natural Loose Majestic Purple Amethyst Emerald Cut Brazilian Gem
Located in Bangkok, TH
high-quality Amethyst, this untreated gemstone boasts both size and visual impact, making it ideal for
Category

21st Century and Contemporary Brazilian Modern Loose Gemstones

Materials

Amethyst

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Amethyst Loose Gemstones For Sale on 1stDibs

On 1stDibs, there are many options to choose from in our inventory of amethyst loose gemstones. These distinct designs — crafted with great care and often made from 18k Gold, Gold and Platinum — can elevate any look. There are many different pieces in our collection of amethyst loose gemstones to choose from, but Modern and Contemporary amethyst loose gemstones are of considerable interest. Versions of these items have been a part of the life’s work for many jewelers, but those produced by Sarosi By Timeless Gems, Merkaba and Tamir are consistently popular. There are many pear cut, emerald cut and hexagon cut amethyst loose gemstones for sale. There aren’t many items for women in our collection of amethyst loose gemstones, as most of the options available are for men.

How Much are Amethyst Loose Gemstones?

Prices for amethyst loose gemstones start at $65 and top out at $13,500 with these necklaces, on average, selling for $286.

The Legacy of Amethyst in Jewelry Design

There are few gemstones in the world that are both affordable and worthy of a duchess’s attention. But then not many stones are as beautiful as amethyst. Indeed, vintage and antique amethyst jewelry has innumerable fans, and February’s birthstone has many unique attributes. For the romantics, there are several tales in Greek mythology that tell the story of Bacchus and Amethyste, a maiden that he pursues yet is rescued by Diane by turning her into a white stone. Bacchus, mourning his love, pours a glass of wine over the sculpture, dyeing her purple.

Amethyst has adorned many royal jewels. One of the most enviable jewelry collections of all time belonged to Wallis Simpson, the Duchess of Windsor. In 1947, the Duke gifted her with a Cartier amethyst and turquoise bib necklace. This special order piece was made with twisted 18-carat and 20-carat gold, platinum, brilliant- and baguette-cut diamonds, one heart-shaped faceted amethyst, 27 emerald-cut amethysts, one oval faceted amethyst, and turquoise cabochons. The Duchess was not the only Royal with a penchant for the purple gemstone. The tiara now owned by Queen Silvia of Sweden is set with amethysts that once belonged to the French Empress Josephine. A stunning 56-carat cushion-cut, square-shaped amethyst set in an 18-karat yellow gold necklace designed by Tiffany Co. is now in the collection of the Smithsonian National Museum of Natural History.

The Smithsonian also has in its possession an even more rare example of fine amethyst: the 96-carat Morris Amethyst Brooch. The brooch features a deep, rich purple heart-shaped amethyst. The museum states that the piece was likely made during the Edwardian period (1901–15) “when platinum and diamonds were often used, and amethyst, a favorite stone of King Edward VII’s wife, Alexandra, was often included in jewelry of the era.”

Another amethyst necklace, with an even richer story, can be found in the Natural History Museum of London. Known as the Delhi Purple Sapphire (even though the stone is an amethyst), this stone was stolen from the Temple of Indra during the Indian Mutiny of 1857. Anyone in possession of this stone is bound to have terrible luck, including its owner Edward Heron-Allen, who gifted the gemstone to the museum thinking that this would save him but ended up transferring the bad luck to the museum curators overseeing the stone.

Find a wide range of vintage and antique amethyst necklaces, bracelets and other fine jewelry on 1stDibs.

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.