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Loose Emerald Cut Stones

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Emerald Cut Emerald Loose Gemstone 1.03 Carat Weight
By Tsarina Jewels
Located in Bangkok, TH
An amazing Russian Emerald which allows jewelers to create a unique piece of wearable art. This
Category

2010s Russian Modern Loose Gemstones

Materials

Emerald

49.5 Carat Ametrine Emerald Cut - Extra Large Loose Single Stone
Located in Endwell, NY
This EXTRA LARGE emerald cut (rectangular step cut) ametrine exhibits its distinctive bi-colorism
Category

20th Century Loose Gemstones

Materials

Amethyst, Citrine

1.09 Carat Colombian Emerald Assecher Cut
By Emeralds Maravellous
Located in US
Stone: Natural Colombian Emerald Weight: 1.09carats Shape: Asscher Cut Clarity: Transparent Luster
Category

21st Century and Contemporary Colombian Contemporary Loose Gemstones

Materials

Emerald

Aquamarine Ring Loose Stone 1.85 Carat Unmounted Emerald Cut Gemstone
By Merkaba
Located in Beverly Hills, CA
1.85 Carat Aquamarine emerald-cut loose gemstone, offered unmounted to someone special. Returns are
Category

21st Century and Contemporary Mozambican Contemporary Loose Gemstones

Materials

Aquamarine, Beryl

Ametrine Stone 10.77 Carat Fancy Emerald Cut Unmounted Loose Gemstone
By Tamir
Located in Beverly Hills, CA
Exclusive 10.77 carat fancy Emerald-Cut Ametrine loose gem, offered unmounted to someone special
Category

21st Century and Contemporary Bolivian Contemporary Loose Gemstones

Materials

Citrine, Quartz, Amethyst

Emerald Cut Russian Emerald Loose Gemstone 1.1 Carat Weight
By Tsarina Jewels
Located in Bangkok, TH
An amazing Russian Emerald which allows jewelers to create a unique piece of wearable art. This
Category

2010s Russian Modern Loose Gemstones

Materials

Emerald

2.42 Ct Emerald Octagon Cut Loose Gemstone
Located in Fort Lee, NJ
. Explore vibrant collection of Emerald, Ruby & Sapphires in our store available as a loose gemstone
Category

2010s Zambian Loose Gemstones

Materials

Emerald

2.42 Ct Emerald Octagon Cut Loose Gemstone
2.42 Ct Emerald Octagon Cut Loose Gemstone
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W 0.31 in D 0.18 in L 0.35 in
2.21 Ct Emerald Octagon Cut Loose Gemstone
Located in Fort Lee, NJ
. Explore vibrant collection of Emerald, Ruby & Sapphires in our store available as a loose gemstone
Category

2010s Zambian Loose Gemstones

Materials

Emerald

2.21 Ct Emerald Octagon Cut Loose Gemstone
2.21 Ct Emerald Octagon Cut Loose Gemstone
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W 0.27 in D 0.23 in L 0.32 in
2.42 Ct Emerald Octagon Cut Loose Gemstone
Located in Fort Lee, NJ
. Explore vibrant collection of Emerald, Ruby & Sapphires in our store available as a loose gemstone
Category

2010s Zambian Loose Gemstones

Materials

Emerald

2.42 Ct Emerald Octagon Cut Loose Gemstone
2.42 Ct Emerald Octagon Cut Loose Gemstone
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W 0.28 in D 0.19 in L 0.4 in
2.41 Ct Emerald Octagon Cut Loose Gemstone
Located in Fort Lee, NJ
. Explore vibrant collection of Emerald, Ruby & Sapphires in our store available as a loose gemstone
Category

2010s Zambian Loose Gemstones

Materials

Emerald

2.41 Ct Emerald Octagon Cut Loose Gemstone
2.41 Ct Emerald Octagon Cut Loose Gemstone
Free Shipping
W 0.28 in D 0.2 in L 0.39 in
2.34 Ct Emerald Octagon Cut Loose Gemstone
Located in Fort Lee, NJ
. Explore vibrant collection of Emerald, Ruby & Sapphires in our store available as a loose gemstone
Category

2010s Zambian Loose Gemstones

Materials

Emerald

2.34 Ct Emerald Octagon Cut Loose Gemstone
2.34 Ct Emerald Octagon Cut Loose Gemstone
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W 0.29 in D 0.18 in L 0.35 in
1.91 Ct Emerald Octagon Cut Loose Gemstone
Located in Fort Lee, NJ
. Explore vibrant collection of Emerald, Ruby & Sapphires in our store available as a loose gemstone
Category

2010s Zambian Loose Gemstones

Materials

Emerald

1.91 Ct Emerald Octagon Cut Loose Gemstone
1.91 Ct Emerald Octagon Cut Loose Gemstone
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W 0.25 in D 0.17 in L 0.38 in
2.01 Ct Emerald Octagon Cut Loose Gemstone
Located in Fort Lee, NJ
. Explore vibrant collection of Emerald, Ruby & Sapphires in our store available as a loose gemstone
Category

2010s Zambian Loose Gemstones

Materials

Emerald

2.01 Ct Emerald Octagon Cut Loose Gemstone
2.01 Ct Emerald Octagon Cut Loose Gemstone
Free Shipping
W 0.28 in D 0.2 in L 0.31 in
2.09 Ct Emerald Octagon Cut Loose Gemstone
Located in Fort Lee, NJ
. Explore vibrant collection of Emerald, Ruby & Sapphires in our store available as a loose gemstone
Category

2010s Zambian Loose Gemstones

Materials

Emerald

2.09 Ct Emerald Octagon Cut Loose Gemstone
2.09 Ct Emerald Octagon Cut Loose Gemstone
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W 0.28 in D 0.16 in L 0.37 in
2.15 Ct Emerald Octagon Cut Loose Gemstone
Located in Fort Lee, NJ
. Explore vibrant collection of Emerald, Ruby & Sapphires in our store available as a loose gemstone
Category

2010s Zambian Loose Gemstones

Materials

Emerald

2.15 Ct Emerald Octagon Cut Loose Gemstone
2.15 Ct Emerald Octagon Cut Loose Gemstone
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W 0.27 in D 0.15 in L 0.41 in
2.07 Ct Emerald Octagon Cut Loose Gemstone
Located in Fort Lee, NJ
. Explore vibrant collection of Emerald, Ruby & Sapphires in our store available as a loose gemstone
Category

2010s Zambian Loose Gemstones

Materials

Emerald

2.07 Ct Emerald Octagon Cut Loose Gemstone
2.07 Ct Emerald Octagon Cut Loose Gemstone
Free Shipping
W 0.28 in D 0.16 in L 0.38 in
2.15 Ct Emerald Octagon Cut Loose Gemstone
Located in Fort Lee, NJ
. Explore vibrant collection of Emerald, Ruby & Sapphires in our store available as a loose gemstone
Category

2010s Zambian Loose Gemstones

Materials

Emerald

2.15 Ct Emerald Octagon Cut Loose Gemstone
2.15 Ct Emerald Octagon Cut Loose Gemstone
Free Shipping
W 0.29 in D 0.16 in L 0.38 in
2.24 Ct Emerald Octagon Cut Loose Gemstone
Located in Fort Lee, NJ
. Explore vibrant collection of Emerald, Ruby & Sapphires in our store available as a loose gemstone
Category

2010s Zambian Loose Gemstones

Materials

Emerald

2.24 Ct Emerald Octagon Cut Loose Gemstone
2.24 Ct Emerald Octagon Cut Loose Gemstone
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W 0.28 in D 0.19 in L 0.36 in
1.94 Ct Emerald Octagon Cut Loose Gemstone
Located in Fort Lee, NJ
. Explore vibrant collection of Emerald, Ruby & Sapphires in our store available as a loose gemstone
Category

2010s Zambian Loose Gemstones

Materials

Emerald

1.94 Ct Emerald Octagon Cut Loose Gemstone
1.94 Ct Emerald Octagon Cut Loose Gemstone
Free Shipping
W 0.29 in D 0.16 in L 0.35 in
1.91 Ct Emerald Octagon Cut Loose Gemstone
Located in Fort Lee, NJ
. Explore vibrant collection of Emerald, Ruby & Sapphires in our store available as a loose gemstone
Category

2010s Zambian Loose Gemstones

Materials

Emerald

1.91 Ct Emerald Octagon Cut Loose Gemstone
1.91 Ct Emerald Octagon Cut Loose Gemstone
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W 0.28 in D 0.15 in L 0.38 in
34.25 Carat Aquamarine Emerald-Cut Unset Loose 3-Stone Ring Gemstone
By Gems Paradise
Located in Jaipur, IN
34.25 Carat Aquamarine Emerald-Cut Unset Loose 3-Stone Ring Gemstone Length: 13.39 mm Width: 27.57
Category

2010s Unknown Artisan Loose Gemstones

Materials

Aquamarine

10.55 Carat Aquamarine Emerald-Cut Unset Loose 3-Stone Ring Gemstone
By Gems Paradise
Located in Jaipur, IN
10.55 Carat Aquamarine Emerald-Cut Unset Loose 3-Stone Ring Gemstone Length: 9 mm Width: 14.10 mm
Category

2010s Unknown Artisan Loose Gemstones

Materials

Aquamarine

1.15 Carats Loose Green Tourmaline Stone Emerald Cut Natural Afghan Gemstone
Located in Bangkok, TH
Shape octagon Cut emerald The exquisite Green Tourmaline stone, boasting a weight of 1.15 carats
Category

21st Century and Contemporary Afghan Modern Loose Gemstones

Materials

Tourmaline

9.0 carats Purple Loose Kunzite Stone Emerald Cut Natural Naigarian Gemstone
Located in Bangkok, TH
octagon Cut emerald The 9.0 carat Purple Kunzite stone, characterized by its enchanting emerald cut
Category

21st Century and Contemporary Nigerian Modern Loose Gemstones

Materials

Kunzite

1.94 Ct Emerald Octagon Cut Loose Gemstone
Located in Fort Lee, NJ
. Explore vibrant collection of Emerald, Ruby & Sapphires in our store available as a loose gemstone
Category

2010s Zambian Loose Gemstones

Materials

Emerald

1.94 Ct Emerald Octagon Cut Loose Gemstone
1.94 Ct Emerald Octagon Cut Loose Gemstone
Free Shipping
W 0.29 in D 0.21 in L 0.29 in
2.01 Ct Emerald Octagon Cut Loose Gemstone
Located in Fort Lee, NJ
. Explore vibrant collection of Emerald, Ruby & Sapphires in our store available as a loose gemstone
Category

2010s Zambian Loose Gemstones

Materials

Emerald

2.01 Ct Emerald Octagon Cut Loose Gemstone
2.01 Ct Emerald Octagon Cut Loose Gemstone
Free Shipping
W 0.24 in D 0.2 in L 0.34 in
2.19 Ct Emerald Octagon Cut Loose Gemstone
Located in Fort Lee, NJ
. Explore vibrant collection of Emerald, Ruby & Sapphires in our store available as a loose gemstone
Category

2010s Zambian Loose Gemstones

Materials

Emerald

2.19 Ct Emerald Octagon Cut Loose Gemstone
2.19 Ct Emerald Octagon Cut Loose Gemstone
Free Shipping
W 0.26 in D 0.21 in L 0.35 in
1.67 Carats Fanta Spessartite Loose Garnet Stone Emerald Cut Nigerian Gemstone
Located in Bangkok, TH
octagon Cut emerald Behold the enchanting allure of a 4.40-carat Apple Green Peridot, delicately
Category

21st Century and Contemporary Nigerian Modern Loose Gemstones

Materials

Garnet

2.55 carats Pink Loose Spinel Stone Emerald Cut Natural Brumes Gemstone
Located in Bangkok, TH
Octagon Cut Emerald Pink Spinel, a captivating gemstone that exudes grace and sophistication. This
Category

21st Century and Contemporary Burmese Modern Loose Gemstones

Materials

Spinel

Red Spinel Ring Stone 5 Carat Emerald Cut Unmounted Loose Gemstone
By Merkaba
Located in Beverly Hills, CA
Exceptional and coveted 5.73 carat natural Red Spinel Emerald Cut loose gemstone, offered unmounted
Category

21st Century and Contemporary Tanzanian Contemporary Loose Gemstones

Materials

Spinel

2.76 carats Lavender Loose Spinel Stone Emerald Cut Natural Tanzanian Gemstone
Located in Bangkok, TH
clean Shape octagon Cut emerald The Lavender Spinel is an exquisite gemstone, boasting a
Category

21st Century and Contemporary Tanzanian Modern Loose Gemstones

Materials

Spinel

1.25 Carat Loose Stone Emerald Heart Shape Brazil
By ALPENGEM
Located in Territet, CH
. Stone can contain natural microcracks which is absolutely normal for emeralds. The emerald heart can be
Category

2010s Brazilian Loose Gemstones

Materials

Emerald

Emerald Cut Emerald Loose Gemstone 0.57 Carat Weight ICL Certified
By Tsarina Jewels
Located in Bangkok, TH
An amazing octagon-shaped Russian Emerald which allows jewelers to create a unique piece of
Category

2010s Russian Modern Loose Gemstones

Materials

Emerald

Emerald Cut Loose Emerald from Russia Ring Gem 2.1 Carat
By Tsarina Jewels
Located in Bangkok, TH
An amazing Russian Emerald which allows jewelers to create a unique piece of wearable art. This
Category

2010s Russian Modern Loose Gemstones

Materials

Emerald

Emerald Cut Russian Emerald Ring Loose Gemstone 2.13 Carat Weight
By Tsarina Jewels
Located in Bangkok, TH
An amazing Russian Emerald which allows jewelers to create a unique piece of wearable art. This
Category

2010s Russian Modern Loose Gemstones

Materials

Emerald

2.60 carats Bi-Color Loose Tourmaline Stone Emerald Cut Natural African Gemstone
Located in Bangkok, TH
octagon Cut emerald The exquisite Bi-Color Tourmaline stone, boasting a weight of 2.60 carats
Category

21st Century and Contemporary African Modern Loose Gemstones

Materials

Tourmaline

1.95 Carats Loose Bright Red Garnet Stone Emerald Cut Natural African Gemstone
Located in Bangkok, TH
octagon Cut emerald The 1.95 carats Bright Red Garnet Stone is a mesmerizing example of natural
Category

21st Century and Contemporary African Modern Loose Gemstones

Materials

Garnet

1.50 Carats Deep Gray Burmese Loose Spinel Stone Emerald Cut Natural Gemstone
Located in Bangkok, TH
octagon Cut emerald The 1.50 carats Deep Gray Burmese Spinel Stone is a captivating natural gemstone
Category

21st Century and Contemporary Burmese Modern Loose Gemstones

Materials

Spinel

9.91 Carat Tanzanite Emerald Cut, Loose Gemstone
By Sarosi By Timeless Gems
Located in Los Angeles, CA
If there was ever a gemstone that could make you fall in love with emerald-cuts, this would be it
Category

21st Century and Contemporary Artisan Loose Gemstones

Materials

Tanzanite

4.20 Carat Long Emerald Cut Natural Green Loose Tourmaline Emerald Cut
Located in Peshawar, PK
Clarity : Eye Clean Shape: Emerald Color: Green Certificate: On Demand Basically, mint tourmalines are
Category

21st Century and Contemporary Malagasy Arts and Crafts Loose Gemstones

Materials

Tourmaline

4.20 Carat Long Emerald Cut Natural Green Loose Tourmaline Emerald Cut
4.20 Carat Long Emerald Cut Natural Green Loose Tourmaline Emerald Cut
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H 0.56 in W 0.25 in D 0.21 in L 0.56 in
Certified 2.30 Carat Natural AAA Colombian Emerald Square Cut Vivid Green
By Emeralds Maravellous
Located in US
Certified 2.30 Carat Natural AAA Colombian Emerald Square Cut Vivid Green Colombian Emerald 2.30
Category

21st Century and Contemporary Colombian Contemporary Loose Gemstones

Materials

Emerald

GIA Certified 1.48ct Natural Green Emerald Octagonal Emerald Cut Loose Gem
By Gems and Jewels UK
Located in Birmingham, GB
GIA Certified 1.48ct Natural Green Emerald Octagonal Emerald Cut Loose Gem GIA Certified Natural
Category

21st Century and Contemporary Loose Gemstones

Materials

Emerald

GIA Certified Carved Colombia Emerald Loose Stone Weighing 4.35 Carats
By OGI Ltd
Located in New York, NY
Introducing our exquisite GIA certified carved Colombia Emerald loose stone, a true masterpiece of
Category

20th Century Colombian Contemporary Loose Gemstones

Materials

Emerald

Round Cut Natural Emerald Loose Gemstone 0.91 Carat
By Tsarina Jewels
Located in Bangkok, TH
An amazing Russian Emerald which allows jewelers to create a unique piece of wearable art. This
Category

2010s Russian Modern Loose Gemstones

Materials

Emerald

3.05 Carat Emerald Cut Natural Loose Open Green Loose Tourmaline Ring Gemstone
Located in Peshawar, PK
Loose Tourmaline Weight: 3.05 Carats Dimension: 10.3x6.3x5.4 Mm Origin: Kunar Afghanistan Shape
Category

21st Century and Contemporary Afghan Arts and Crafts Loose Gemstones

Materials

Tourmaline

Round Cut Russian Emerald Loose Gemstone 1.28 Carat Weight
By Tsarina Jewels
Located in Bangkok, TH
An amazing Russian Emerald in round shape which allows jewelers to create a unique piece of
Category

2010s Russian Modern Loose Gemstones

Materials

Emerald

10.20 Carat Natural Emerald Heart Cabochon Sugarloaf Unique Cut Loose Gemstone
Located in New York, NY
DETAILS Emerald Weight: 10.20 CT Measurements: 15.2 x 12.2 x 9 mm Shape: Heart Cabochon Color
Category

21st Century and Contemporary American Artisan Loose Gemstones

Materials

Emerald

Spinel Oval Waterfall Loose Gems Set
By Emeralds Maravellous
Located in US
: Approx. 6.00mm x 5.00mm. Ova cut (42 loose gemstones). **These incredible gemstones are available to
Category

21st Century and Contemporary Unknown Artisan Loose Gemstones

Materials

Spinel

Spinel Oval Waterfall Loose Gems Set
Spinel Oval Waterfall Loose Gems Set
Free Shipping
W 0.2 in L 0.25 in
16.40 Carat Pixel Cut Loose Ametrine Gemstone, Smith Bar Cut Ametrine Stone
Located in Peshawar, PK
& Yellow Shape: Emerald Cut/Facet: Pixel Cut / Pixelated Cut Certificate: On Demand As a stone of both
Category

2010s Brazilian Arts and Crafts Loose Gemstones

Materials

Amethyst, Citrine

16.40 Carat Pixel Cut Loose Ametrine Gemstone, Smith Bar Cut Ametrine Stone
16.40 Carat Pixel Cut Loose Ametrine Gemstone, Smith Bar Cut Ametrine Stone
Free Shipping
H 0.67 in W 0.5 in D 0.42 in L 0.67 in
Glowing Indicolite Tourmaline 1.80 Carats Emerald Cut Loose Pakistani Gemstone
Located in Bangkok, TH
our 1.80 carat Indicolite Tourmaline. Meticulously cut in an elegant emerald cut, this loose gemstone
Category

21st Century and Contemporary Afghan Modern Loose Gemstones

Materials

Tourmaline, Indicolite

Spinel Fancy Oval Waterfall Loose Gems Set
By Emeralds Maravellous
Located in US
6.00mm x 5.00mm. Cut: Oval. (68 loose gemstones). **These incredible gemstones are available to purchase
Category

21st Century and Contemporary Unknown Artisan Loose Gemstones

Materials

Spinel

Spinel Fancy Oval Waterfall Loose Gems Set
Spinel Fancy Oval Waterfall Loose Gems Set
Free Shipping
W 0.2 in L 0.25 in
Yellow Sapphire 2.64 Ct Emerald Cut Natural Unheated, Loose Gemstone
Located in South Melbourne, AU
emerald cut yellow sapphire as the centrepiece stone or accompanied by some diamond side highlight stones
Category

21st Century and Contemporary Sri Lankan Modern Loose Gemstones

Materials

Sapphire

1.94 Ct Emerald Octagon Loose Gemstone
Located in Fort Lee, NJ
. Explore vibrant collection of Emerald, Ruby & Sapphires in our store available as a loose gemstone
Category

2010s Zambian Loose Gemstones

Materials

Emerald

1.94 Ct Emerald Octagon Loose Gemstone
1.94 Ct Emerald Octagon Loose Gemstone
Free Shipping
W 0.29 in D 0.21 in L 0.29 in
13.56 Carat Aquamarine Oval-Cut Unset Loose 3-Stone Ring Gemstone
By Gems Paradise
Located in Jaipur, IN
13.56 Carat Aquamarine Emerald-Cut Unset Loose 3-Stone Ring Gemstone Length: 10.12 mm Width: 12.74
Category

2010s Unknown Artisan Loose Gemstones

Materials

Aquamarine

Emerald-Cut Ruby Cts 1.31 and Blue Sapphire Cts 2.16 and Emerald Cts 0.92 Loose
Located in Hong Kong, HK
sapphire, 0.92 cts. emerald, and 1.31 cts. ruby, all perfectly cut in an emerald cut. Each gemstone in
Category

2010s Hong Kong Contemporary Loose Gemstones

Materials

Ruby, Blue Sapphire, Emerald

1.85ct Emerald Cut Emerald
Located in Toronto, Ontario
Description: Gem Type: Emerald Number of Stones: 1 Weight: 1.85 cts Measurements
Category

2010s Zambian Loose Gemstones

Materials

Emerald

1.85ct Emerald Cut Emerald
1.85ct Emerald Cut Emerald
Free Shipping
W 0.37 in D 0.16 in L 0.27 in
12.7 Carat Natural Tanzanite Emerald Cut Loose Gemstone Tanzanite Jewelry
Located in New York, NY
SKU - 50002 Stone : Natural Tanzanite Shape - Emerald Cut Grade - AAA Clarity - Eye clean Weight
Category

21st Century and Contemporary Tanzanian Art Deco Loose Gemstones

Materials

Tanzanite

14.56 Carat Natural Tanzanite Emerald Cut Loose Gemstone Tanzanite Jewelry
Located in New York, NY
SKU - 50001 Stone : Natural Tanzanite Grade - AAA Shape - Emerald Cut Weight - 14.56 cts Length
Category

21st Century and Contemporary Tanzanian Art Deco Loose Gemstones

Materials

Tanzanite

GIA Certified 28.37 Carat Imperial Precious Topaz Emerald Cut Loose Gemstone
Located in Stamford, CT
cut in an emerald shape because the body color of the gem is seldom deep, strong or clear enough. 1
Category

21st Century and Contemporary Loose Gemstones

Materials

Topaz

Beautiful Long Emerald Cut Natural Loose Yellow Citrine from Brazil
Located in Peshawar, PK
: Brazil Color: Yellow Shape: Emerald Certificate: On Demand Month: November . The Many Healing
Category

21st Century and Contemporary Brazilian Georgian Loose Gemstones

Materials

Citrine

Beautiful Long Emerald Cut Natural Loose Yellow Citrine from Brazil
Beautiful Long Emerald Cut Natural Loose Yellow Citrine from Brazil
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H 0.73 in W 0.38 in D 0.35 in L 0.73 in
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Loose Emerald Cut Stones For Sale on 1stDibs

On 1stDibs, there are many options to choose from in our inventory of loose emerald cut stones. Frequently made of platinum, gold and white gold, these items were constructed with great care. Our selection of items includes 6 vintage examples as well as 153 contemporary versions. Our inventory has long been popular, and it includes earlier versions that date to the 20th Century and newer variations that were made as recently as the 21st Century. There are many different pieces in our collection of loose emerald cut stones to choose from, but modern and artisan loose emerald cut stones are of considerable interest. Versions of these items have been a part of the life’s work for many jewelers, but those produced by Tsarina Jewels, Emeralds Maravellous and Gems and Jewels UK are consistently popular. Any of these pieces can lend versatility to your look, but emerald versions, from our inventory of 66, are particularly popular. Today, if you’re looking for emerald cut loose emerald cut stones and are unable to find the perfect match, our selection also includes brilliant cut and octagon cut alternatives. Most of our loose emerald cut stones for sale are for women, but there are 146 pieces available to browse for men.

How Much are Loose Emerald Cut Stones?

Prices for loose emerald cut stones can differ depending upon size, time period and other attributes — at 1stDibs, these accessories begin at $50 and can go as high as $153,135, while loose emerald cut stones, on average, fetch $1,480.

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.