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Loose Paraiba Tourmaline Gems

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Paraiba Tourmaline Ring Gem 6 Carat Unmounted Loose Gemstone
By Merkaba
Located in Beverly Hills, CA
Exceptional, rare and coveted, 6.47 carat Paraiba Tourmaline oval gem, offered unmounted to the
Category

21st Century and Contemporary Mozambican Contemporary Loose Gemstones

Materials

Tourmaline, Paraiba

GIA Certified 2.47 ct Mozambique Paraiba Tourmaline, Paraiba Tourmaline Loose
Located in Los Angeles, CA
Paraiba tourmaline loose with a stunning color and clarity. Tourmaline Paraiba authentic is a natural
Category

21st Century and Contemporary Mozambican Loose Gemstones

Materials

Tourmaline, Paraiba

.19 Carat Brazilian Paraiba Tourmaline Oval, Loose Gemstone, GIA Certified ..A
By Sarosi By Timeless Gems
Located in Los Angeles, CA
This neon blue-green Paraiba tourmaline gemstone weighs 0.19 carat and would make a beautiful ring
Category

21st Century and Contemporary Brazilian Artisan Loose Gemstones

Materials

Tourmaline, Paraiba

1.33 Carat Brazilian Paraiba Tourmaline Loose Stone
Located in Carefree, AZ
A beautiful Blue Green Brazilian Paraiba Tourmaline from the original mine in Brazil...Mina da
Category

Early 2000s Brazilian Artist Loose Gemstones

Materials

Tourmaline, Paraiba

GIA Certified 0.87 Ct Paraiba Tourmaline Oval Shape, Tourmaline Gemstone Loose
Located in Los Angeles, CA
Paraiba tourmaline loose with a stunning color and clarity. Tourmaline Paraiba authentic is a natural
Category

21st Century and Contemporary Mozambican Loose Gemstones

Materials

Tourmaline, Paraiba

GIA Certified 0.63 ct Mozambique Loose Paraiba Tourmaline, Blue-Green Tourmaline
Located in Los Angeles, CA
can boost your confidence and encourage you to reach your goals. Paraiba tourmaline is one of the most
Category

21st Century and Contemporary Mozambican Loose Gemstones

Materials

Tourmaline, Paraiba

.37 Carat Brazilian Paraiba Tourmaline, Loose Gemstone, GIA Certified
Located in Los Angeles, CA
of this highly sought after collector gem. We have a large selection of tourmalines in our inventory
Category

21st Century and Contemporary Brazilian Artisan Loose Gemstones

Materials

Tourmaline, Paraiba

Unique design cut and neon fairy color Natural Paraiba Tourmalines 2.47ct gems
Located in bangkok, TH
Unique design cut and neon fairy color Natural Paraiba Tourmalines 2.47ct Name: Paraiba tourmaline
Category

2010s Loose Gemstones

Materials

Paraiba, Tourmaline

GIA Certified 0.60ct Mozambique Paraiba Tourmaline, Tourmaline Paraiba Authentic
Located in Los Angeles, CA
Paraiba tourmaline loose with a stunning color and clarity. Tourmaline Paraiba authentic is a natural
Category

21st Century and Contemporary Mozambican Loose Gemstones

Materials

Tourmaline, Paraiba

GIA Certified 0.46 Carat Natural Paraiba Tourmaline Loose Stone Oval Shape
Located in Los Angeles, CA
Paraiba tourmaline loose with a stunning color and clarity. Tourmaline Paraiba authentic is a natural
Category

21st Century and Contemporary Mozambican Loose Gemstones

Materials

Tourmaline, Paraiba

GIA Certified 0.53 Carat Natural Paraiba Tourmaline Loose Gemstone Oval Shape
Located in Los Angeles, CA
Paraiba tourmaline loose with a stunning color and clarity. Tourmaline Paraiba authentic is a natural
Category

21st Century and Contemporary Mozambican Loose Gemstones

Materials

Tourmaline, Paraiba

GIA Certified 0.59 Carat Paraiba Tourmaline, Yellowish Green Tourmaline Paraiba
Located in Los Angeles, CA
can boost your confidence and encourage you to reach your goals. Paraiba tourmaline is one of the most
Category

21st Century and Contemporary Mozambican Loose Gemstones

Materials

Tourmaline, Paraiba

GIA Certified 0.88 Ct Natural Mozambique Paraiba Tourmaline Stone, Precious Gem
Located in Los Angeles, CA
wrong with the loose natural Paraiba tourmaline, which is so complimentary and gorgeous. Beautiful
Category

21st Century and Contemporary Mozambican Loose Gemstones

Materials

Tourmaline, Paraiba

Certified 2.03 Carats Paraiba Tourmaline Oval Cut Stone for Fine Jewellery Gems
Located in Jaipur, RJ
Exceptional 2.03 Carats Paraiba Tourmaline Oval Cut Stone for Fine Jewelry Gemstone - Paraiba
Category

21st Century and Contemporary Mozambican Art Deco Loose Gemstones

Materials

Tourmaline, Paraiba

36.04 Carats Paraiba Tourmaline Oval Cut stone Top Quality for Fine Jewelry Gem
Located in Jaipur, RJ
36.04 Carats Paraiba Tourmaline Oval Cut stone Top Quality for Fine Jewelry Gem Gemstone - Paraiba
Category

21st Century and Contemporary Mozambican Art Deco Loose Gemstones

Materials

Tourmaline, Paraiba

GIA Certified 5.29ct Blue Paraiba Tourmaline
Located in Christchurch, NZ
This exquisite 5.29ct Blue Paraiba Tourmaline is a true marvel of nature. Mined in Mozambique, this
Category

2010s Mozambican Loose Gemstones

Materials

Tourmaline, Paraiba

Pink Tourmaline Ring Gem 3.18 Carat Unmounted Loose Gemstone
By Tamir
Located in Beverly Hills, CA
Pristine 3.18 carat Pink Tourmaline emerald cut loose gemstone, offered unmounted to a fine
Category

21st Century and Contemporary Congolese Contemporary Loose Gemstones

Materials

Tourmaline

Blue Tourmaline Ring Gem 2.75 Carat Cushion Unmounted Loose Gemstone
By Merkaba
Located in Beverly Hills, CA
Splendid 2.75 carat "Lagoon" Blue Tourmaline cushion loose gemstone, offered unmounted to a fine
Category

21st Century and Contemporary Nigerian Contemporary Loose Gemstones

Materials

Tourmaline

GIA Certified 0.80 Carat Paraiba Tourmaline, Green-Blue Tourmaline Stone
Located in Los Angeles, CA
can boost your confidence and encourage you to reach your goals. Paraiba tourmaline is one of the most
Category

21st Century and Contemporary Mozambican Loose Gemstones

Materials

Tourmaline, Paraiba

GIA Certified 2.00 ct Natural Mozambique Paraiba Tourmaline, Tourmaline Gemstone
Located in Los Angeles, CA
can boost your confidence and encourage you to reach your goals. Paraiba tourmaline is one of the most
Category

21st Century and Contemporary Mozambican Loose Gemstones

Materials

Tourmaline, Paraiba

6.25 Carat Natural Loose Blueish Green Tourmaline Asscher Cut Gem
Located in Peshawar, PK
Loose Bright Green Tourmaline Weight: 6.25 Carats Dimension: 10.1 x 10 x 8.5 Mm Colour: Green
Category

21st Century and Contemporary Afghan Arts and Crafts Loose Gemstones

Materials

Tourmaline

5.55 Carat Natural Loose Blueish Green Tourmaline Cushion Shape Gem
Located in Peshawar, PK
Loose Green Tourmaline Weight: 5.55 Carats Dimension: 9.4 x 9.2 x 8 Mm Colour: Green lagoon Origin
Category

21st Century and Contemporary Afghan Arts and Crafts Loose Gemstones

Materials

Tourmaline

3.55 Carat Natural Loose Tourmaline Set Gem For Jewellery Making
Located in Peshawar, PK
Loose Tourmaline Set Weight: 3.55 Carats Sizes: 0.90 to 1.65 Carat Origin: Afghanistan
Category

21st Century and Contemporary Afghan Arts and Crafts Loose Gemstones

Materials

Tourmaline

3.80 Carat Natural Loose Bi Colour Tourmaline Emerald Shape Gem
Located in Peshawar, PK
Loose Bi Colour Tourmaline Weight: 3.80 Carats Dimension: 11 x 7.1 x 5.4 Mm Colour: Green And
Category

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

Materials

Tourmaline

1.60 Carats Natural Loose Pink Tourmaline Oval Shape Ring Gem
Located in Peshawar, PK
most valuable and sought-after varieties, such as Paraíba tourmaline, originating from this country
Category

21st Century and Contemporary Malagasy Arts and Crafts Loose Gemstones

Materials

Tourmaline

1.60 Carats Natural Loose Pink Tourmaline Oval Shape Ring Gem
1.60 Carats Natural Loose Pink Tourmaline Oval Shape Ring Gem
Free Shipping
W 0.27 in D 0.15 in L 0.39 in
GIA Certified 0.88 Carat Paraiba Tourmaline, Green Tourmaline For Jewelry Making
Located in Los Angeles, CA
Paraiba tourmaline loose with a stunning color and clarity. Tourmaline Paraiba authentic is a natural
Category

21st Century and Contemporary Mozambican Loose Gemstones

Materials

Tourmaline, Paraiba

Peach Tourmaline Ring Gem 10.36 Carat Antique Pear Shape Loose Gemstone
By Merkaba
Located in Beverly Hills, CA
Exquisite 10.36 carat Peach Tourmaline antique pear shape gem, offered loose to a gemstone lover
Category

21st Century and Contemporary Mozambican Contemporary Loose Gemstones

Materials

Tourmaline, Other

Mint Green Tourmaline Ring Gem 4.78 Carat Unmounted Cushion Loose Gemstone
By Merkaba
Located in Beverly Hills, CA
Gorgeous 4.78 carat Mint Green Tourmaline cushion loose gemstone, offered unmounted to a devoted
Category

21st Century and Contemporary Mozambican Contemporary Loose Gemstones

Materials

Tourmaline

Mint Green Tourmaline Ring Gem 4.52 Carat Unmounted Trillion Loose Gemstone
By Merkaba
Located in Beverly Hills, CA
Unique 4.52 carat Mint Green Tourmaline Trillion loose gemstone, offered unmounted to someone
Category

21st Century and Contemporary Afghan Contemporary Loose Gemstones

Materials

Tourmaline

Mint Green Tourmaline Ring Gem 4.49 Carat Unmounted Cushion Loose Gemstone
By Merkaba
Located in Beverly Hills, CA
Fantastic 4.49 carat Mint Green Tourmaline cushion loose gemstone, offered unmounted to someone
Category

21st Century and Contemporary Afghan Contemporary Loose Gemstones

Materials

Tourmaline

Mint Green Tourmaline Ring Gem 3.46 Carat Unmounted Cushion Loose Gemstone
By Merkaba
Located in Beverly Hills, CA
Vibrant 3.46 carat Mint Green Tourmaline cushion loose gemstone, offered unmounted to someone very
Category

21st Century and Contemporary Afghan Contemporary Loose Gemstones

Materials

Tourmaline

Emerald Shape Natural Loose Green Tourmaline 2.60 Carat Earth Mine Gem
Located in Peshawar, PK
the Paraíba tourmaline, celebrated for its vibrant neon blue and green colors. These gems are
Category

21st Century and Contemporary Afghan Arts and Crafts Loose Gemstones

Materials

Tourmaline

1.75ct Cushion Blue Paraiba Tourmaline GIA Certified Mozambique
Located in Toronto, Ontario
"paraìba tourmaline" in the trade. The name "paraìba" comes from the Brazilian locality where this gem was
Category

2010s Mozambican Loose Gemstones

Materials

Tourmaline, Paraiba

1.75ct Cushion Blue Paraiba Tourmaline GIA Certified Mozambique
1.75ct Cushion Blue Paraiba Tourmaline GIA Certified Mozambique
Free Shipping
W 0.34 in D 0.19 in L 0.26 in
Stunning 6.10 Carats Natural Loose Tourmaline Light Green Color Ring Gem
Located in Peshawar, PK
Loose Tourmaline Weight: 6.10 Carats Dimension: 13.1x8.2x6.4 Mm Origin: Afghanistan Shape
Category

21st Century and Contemporary Afghan Arts and Crafts Loose Gemstones

Materials

Tourmaline

2.45 Carat Natural Loose Green Tourmaline Cushion Shape Gem For Jewellery
Located in Peshawar, PK
Loose Green Tourmaline Weight: 2.45 Carats Dimension: 7.1 x 7 x 5.9 Mm Colour: Green Origin
Category

21st Century and Contemporary Afghan Arts and Crafts Loose Gemstones

Materials

Tourmaline

3.00 Carat Natural Loose Tourmaline Emerald Shape Gem From Earth Mine
Located in Peshawar, PK
Loose Tourmaline Weight: 3.00 Carats Dimension: 10.5 x 6.2 x 5.1 Mm Colour: Greenish Yellow Origin
Category

21st Century and Contemporary Afghan Arts and Crafts Loose Gemstones

Materials

Tourmaline

3.05 Carat Natural Loose Tourmaline Cushion Shape Gem For Ring Jewellery
Located in Peshawar, PK
Loose Tourmaline Weight: 3.05 Carats Dimension: 8.5 x 7.5 x 6.1 Mm Colour: Yellowish Green Origin
Category

21st Century and Contemporary Afghan Arts and Crafts Loose Gemstones

Materials

Tourmaline

2.25 Carat Natural Loose Green Tourmaline Emerald Shape Gem From Afghanistan
Located in Peshawar, PK
Loose Green Tourmaline Weight: 2.25 Carats Dimension: 9.2 x 5.9 x 4.9 Mm Colour: Green Origin
Category

21st Century and Contemporary Afghan Arts and Crafts Loose Gemstones

Materials

Tourmaline

Rare Color 6.50 Carat Natural Loose Seafoam Tourmaline Cushion Shape Gem
Located in Peshawar, PK
Loose Seafoam Tourmaline Weight: 6.50 Carats Dimension: 11.8 x 9.3 x 7.5 Mm Colour: Blue Origin
Category

21st Century and Contemporary Afghan Arts and Crafts Loose Gemstones

Materials

Tourmaline

12.00 Carat Natural Loose Seafoam Tourmaline Cushion Shape Gem For Necklace
Located in Peshawar, PK
Loose Seafoam Tourmaline Weight: 12.00 Carats Dimension: 13.4 x 12.7 x 9.2 Mm Colour: Blue Origin
Category

21st Century and Contemporary Afghan Arts and Crafts Loose Gemstones

Materials

Tourmaline

1.75 Carat Natural Loose Seafoam Tourmaline Cushion Shape Gem For Ring
Located in Peshawar, PK
Loose Seafoam Tourmaline Weight: 1.75 Carats Dimension: 7.4 x 6.3 x 5 Mm Colour: Seafoam Origin
Category

21st Century and Contemporary Afghan Arts and Crafts Loose Gemstones

Materials

Tourmaline

1.95 Carat Natural Loose Seafoam Tourmaline Cushion Shape Gem For Jewellery
Located in Peshawar, PK
Loose Seafoam Tourmaline Weight: 1.95 Carats Dimension: 7.3 x 6 x 5.3 Mm Colour: Blue Origin
Category

21st Century and Contemporary Afghan Arts and Crafts Loose Gemstones

Materials

Tourmaline

3.00 Carat Natural Loose lagoon Tourmaline Cushion Shape Gem From Afghanistan
Located in Peshawar, PK
Loose Lagoon Tourmaline Weight: 3.00 Carats Dimension: 8.2 x 7.2 x 5.9 Mm Colour: Lagoon Origin
Category

21st Century and Contemporary Afghan Arts and Crafts Loose Gemstones

Materials

Tourmaline

3.25 Carat Natural Loose Lagoon Tourmaline Cushion Shape Gem For Jewellery
Located in Peshawar, PK
Loose Lagoon Tourmaline Weight: 3.25 Carats Dimension: 7.7 x 7.6 x 7 Mm Colour: Lagoon Origin
Category

21st Century and Contemporary Afghan Arts and Crafts Loose Gemstones

Materials

Tourmaline

3.00 Carat Natural Loose Lagoon Tourmaline Emerald Shape Gem For Jewellery
Located in Peshawar, PK
Loose Lagoon Tourmaline Weight: 3.00 Carats Dimension: 8.8 x 6.5 x 5.6 Mm Colour: Lagoon Origin
Category

21st Century and Contemporary Afghan Arts and Crafts Loose Gemstones

Materials

Tourmaline

2.25 Carat Natural Loose Lagoon Tourmaline Cushion Shape Gem For Jewellery
Located in Peshawar, PK
Loose Lagoon Tourmaline Weight: 2.25 Carats Dimension: 8 x 7.1 x 5.3 Mm Colour: Lagoon Origin
Category

21st Century and Contemporary Afghan Arts and Crafts Loose Gemstones

Materials

Tourmaline

1.85 Carat Natural Loose Lagoon Tourmaline Emerald Shape Gem For Jewellery
Located in Peshawar, PK
Loose Lagoon Tourmaline Weight: 1.85 Carats Dimension: 8.1 x 5.8 x 4.8 Mm Colour: Lagoon Origin
Category

21st Century and Contemporary Afghan Arts and Crafts Loose Gemstones

Materials

Tourmaline

1.75 Carat Natural Loose Green Tourmaline Cushion Gem For Jewellery Making
Located in Peshawar, PK
Loose Green Tourmaline Weight: 1.75 Carats Dimension: 6.1 x 7.6 x 4.7 Mm Colour: Green Origin
Category

21st Century and Contemporary Afghan Arts and Crafts Loose Gemstones

Materials

Tourmaline

Unique 1.80 Carats Natural Loose Light Blue Tourmaline Gem For Ring
Located in Peshawar, PK
Loose Tourmaline Weight: 1.80 Carats Dimension: 7.2 x 7.2 x 4.8 Mm Origin: Afghanistan Color
Category

21st Century and Contemporary Afghan Arts and Crafts Loose Gemstones

Materials

Tourmaline

5.00 Carat Natural Loose Cushion Shape Reverse Tourmaline Gem For Ring
Located in Peshawar, PK
Loose Reverse Tourmaline Total Weight: 5.00 Carats Weight of golden Tourmaline : 2.60 Carats
Category

21st Century and Contemporary Afghan Arts and Crafts Loose Gemstones

Materials

Tourmaline

Mint Green Tourmaline Ring Gem 7.68 Carat Unmounted Cushion Loose Gemstone
By Merkaba
Located in Beverly Hills, CA
Pristine 7.68 carat Mint Green Tourmaline cushion loose gemstone, offered unmounted to a fine gem
Category

21st Century and Contemporary Congolese Contemporary Loose Gemstones

Materials

Tourmaline

0.90 Carat Natural Loose Golden Tourmaline Octagon Shape Gem For Ring
Located in Peshawar, PK
Loose Golden Tourmaline Weight: 0.90 Carats Dimension: 6.1 x 6.1 x 4.1 Mm Colour: Golden Origin
Category

21st Century and Contemporary Afghan Arts and Crafts Loose Gemstones

Materials

Tourmaline

2.85 Carat Natural Loose African Tourmaline Cushion Shape Gem For Jewellery
Located in Peshawar, PK
Loose Tourmaline Weight: 2.85 Carats Dimension: 9 x 7.5 x 5.6 Mm Colour: Greenish Yellow Origin
Category

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

Materials

Tourmaline

3.35 Carat Natural Loose Dravite Tourmaline Cushion Shape Gem From Africa
Located in Peshawar, PK
Loose Dravite Tourmaline Weight: 3.35 Carats Dimension: 10.5 x 7.6 x 5.1 Mm Colour: Brown And
Category

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

Materials

Tourmaline

Beautiful 3 Carat Natural Loose Yellow Tourmaline Oval Shape Ring Gem
Located in Peshawar, PK
Loose Yellow Tourmaline Weight: 3.00 Carats Dimension: 10.3 x 6.7 x 5.7 Mm Colour: Yellow Origin
Category

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

Materials

Tourmaline

2.45 Carat Natural Loose African Tourmaline Cushion Shape Gem For Jewellery
Located in Peshawar, PK
Loose Tourmaline Weight: 2.45 Carats Dimension: 8 x 7 x 5.9 Mm Colour: Yellow Origin: Africa
Category

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

Materials

Tourmaline

2.75 Carat Included Natural Loose Indicolite Tourmaline Emerald Cut Ring Gem
Located in Peshawar, PK
Gorgeous Loose Indicolite Tourmaline Weight: 2.75 Carats Dimension: 8.1x6.9x5.9 Mm Origin; Kunar
Category

21st Century and Contemporary Afghan Arts and Crafts Loose Gemstones

Materials

Tourmaline, Indicolite

1.75 Carat Cushion Blue Paraiba Tourmaline GIA Certified Mozambique
Located in Toronto, Ontario
"paraìba tourmaline" in the trade. The name "paraìba" comes from the Brazilian locality where this gem was
Category

2010s Mozambican Loose Gemstones

Materials

Tourmaline, Paraiba

Pink Tourmaline Ring Gem 5.83 Carat Unmounted Square Emerald Cut Loose Gemstone
By Merkaba
Located in Beverly Hills, CA
5.83 carat Pink Tourmaline square emerald-cut loose gemstone, offered unmounted to a very special
Category

21st Century and Contemporary Afghan Contemporary Loose Gemstones

Materials

Tourmaline

Adorable 1.60 Carats Natural Loose Lagoon Tourmaline Gem For Ring Cushion Shape
Located in Peshawar, PK
Loose Lagoon Tourmaline Weight: 1.60 Carats Dimension: 6.5 x 6.5 X 4.8 Mm Color : Lagoon Origin
Category

21st Century and Contemporary Afghan Arts and Crafts Loose Gemstones

Materials

Tourmaline

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Loose Paraiba Tourmaline Gems For Sale on 1stDibs

On 1stDibs, there are many options to choose from in our inventory of loose paraiba tourmaline gems. Pieces in our collection of loose paraiba tourmaline gems made by Artisan jewelers — as well as those associated with Contemporary — are very popular. Versions of these items have been a part of the life’s work for many jewelers, but those produced by Sarosi By Timeless Gems and Merkaba are consistently popular. A selection of cushion cut, pear cut and oval cut can be found today on these pages. Most of our loose paraiba tourmaline gems for sale are for women, but there are 6 pieces available to browse for men.

How Much are Loose Paraiba Tourmaline Gems?

Prices for loose paraiba tourmaline gems start at $1,500 and top out at $150,480 with these objets-dart-vertu, on average, selling for $38,000.

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.