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5.24 Carat Cushion Spessartite Mandarin Garnet Loose Unset Ring Pendant Gemstone
By Sarosi By Timeless Gems
Located in Los Angeles, CA
Mandarin orange fruit! This cushion-cut Mandarin garnet weighs 5.24 carats, has bright orange color and
Category

21st Century and Contemporary Artisan Loose Gemstones

Materials

Garnet, Mandarin Garnet

Deep Orange Natural Mandarin/Spessartine Garnet, 2.20 Carat Cushion Cut for Ring
Located in Peshawar, PK
Elevate your jewelry creations with our Deep Orange Natural Spessartine/Mandarin Garnet Loose
Category

21st Century and Contemporary Brazilian Contemporary Loose Gemstones

Materials

Garnet, Mandarin Garnet

2.77 Carat Oval Mandarin Garnet, Unset Loose Gemstone
By Sarosi By Timeless Gems
Located in Los Angeles, CA
This vibrant Mandarin orange colored garnet is absolutely beautiful! The unusual checkerboard
Category

21st Century and Contemporary Artisan Loose Gemstones

Materials

Mandarin Garnet, Garnet

Mandarin Garnet Ring Gem 2.59 Carat Unmounted Trillion Loose Gemstone
By Merkaba
Located in Beverly Hills, CA
2.59 carat Mandarin Garnet Trillion gem, offered loose to a gem lover. Mandarin Garnet dimensions
Category

21st Century and Contemporary Nigerian Modern Loose Gemstones

Materials

Garnet, Mandarin Garnet

Loose Spessartite Mandarin Garnet, 4.97 Carats, Gemstone for Ring or Pendant
By Sarosi By Timeless Gems
Located in Los Angeles, CA
This 4.97 carat cushion-cut Mandarin garnet is absolutely gorgeous! Spessartite garnets are a
Category

21st Century and Contemporary Artisan Loose Gemstones

Materials

Garnet, Mandarin Garnet

6.15 Carat Spessartite Mandarin Garnet Oval, Loose Unset Ring, Pendant Gemstone
By Sarosi By Timeless Gems
Located in Los Angeles, CA
This stunning spessartite Mandarin garnet has all the hallmarks of a collector gemstone! Weighing
Category

21st Century and Contemporary Artisan Loose Gemstones

Materials

Garnet, Mandarin Garnet

Loose Spessartite Mandarin Garnet, 4.51 Carat Unset Ring or Pendant Gemstone
By Sarosi By Timeless Gems
Located in Los Angeles, CA
If you love the bright color of Mandarin oranges, this gemstone is for you! This brilliant
Category

21st Century and Contemporary Artisan Loose Gemstones

Materials

Garnet, Mandarin Garnet

Mandarin Garnet Earrings Gemstone Pair 3.78 Carat Unset Oval Loose Gems
By Merkaba
Located in Beverly Hills, CA
Superb pair of Mandarin Garnet oval gems, weighing a total of 3.78 carats, offered loose to a fine
Category

21st Century and Contemporary Nigerian Contemporary Loose Gemstones

Materials

Garnet, Mandarin Garnet

Mandarin Garnet Earrings Gemstone Pair 5.80 Carat Unset Oval Loose Gems
By Emeralds Maravellous
Located in US
Natural Untreated pair of Mandarin Garnet oval gemstones, weighing a total of 5.80 carats, offered
Category

21st Century and Contemporary Nigerien Modern Loose Gemstones

Materials

Garnet, Mandarin Garnet

Certified Mandarin Garnet - 5.58ct
Located in Antwerpen, BE
A natural certified Spessartine Garnet also known as Mandarin Garnet. There are two well known
Category

2010s Unknown Modern Loose Gemstones

Materials

Garnet, Mandarin Garnet

Certified Mandarin Garnet - 5.58ct
Certified Mandarin Garnet - 5.58ct
Free Shipping
W 0.37 in D 0.25 in L 0.43 in
Oval Mandarin Garnet - 3.29ct
Located in Antwerpen, BE
A natural Spessartine Garnet also known as Mandarin Garnet. There are two well known varieties of
Category

2010s Unknown Modern Loose Gemstones

Materials

Garnet, Mandarin Garnet

Oval Mandarin Garnet - 3.29ct
Oval Mandarin Garnet - 3.29ct
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W 0.34 in D 0.23 in L 0.3 in
Loose Spessartite Mandarin Garnet, 4.50 Carat Pear Shape Gem for Ring, Pendant
By Sarosi By Timeless Gems
Located in Los Angeles, CA
highly prized by gemstone collectors. The finest spessartite are called "Mandarin garnets," because of
Category

21st Century and Contemporary Artisan Loose Gemstones

Materials

Garnet, Mandarin Garnet

2.26 Carat Spessartite Mandarin Garnet Octagon, Loose Gemstone
By Sarosi By Timeless Gems
Located in Los Angeles, CA
This lively orange spessartite garnet has beautiful color! The unusual modified brilliant facets
Category

21st Century and Contemporary Artisan Loose Gemstones

Materials

Garnet

2.46 Carat Spessartite Mandarin Garnet Oval, Loose Gemstone
By Sarosi By Timeless Gems
Located in Los Angeles, CA
This brilliant spessartite garnet has a beautiful electric orange color! Measuring 8.26 x 7.14 x
Category

21st Century and Contemporary Artisan Loose Gemstones

Materials

Garnet

Mandarin Garnet Ring Necklace Gem 3.69 Carat Kite Shape Unmounted Loose Gemstone
By Tamir
Located in Beverly Hills, CA
3.69 carat Mandarin Garnet Kite shaped loose gemstone, offered unmounted to a unique gem collector
Category

21st Century and Contemporary Nigerian Contemporary Loose Gemstones

Materials

Garnet, Mandarin Garnet

2.07 Carat Mandarin Garnet Lotus Certified
Located in Hua Hin, TH
2.07 Carat Mandarin Garnet Lotus Certified Shape: Oval Cutting Style: Faceted Brilliant Modified
Category

2010s Sri Lankan Loose Gemstones

Materials

Garnet, Mandarin Garnet

2.07 Carat Mandarin Garnet Lotus Certified
2.07 Carat Mandarin Garnet Lotus Certified
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W 0.32 in D 0.19 in L 0.27 in
2 Round Mandarin Garnet Gemstones Cts 3.28
Located in Hong Kong, HK
. The vivid orange hue of mandarin garnet is highly admired for its symbolic meaning of success, balance
Category

2010s Hong Kong Contemporary Loose Gemstones

Materials

Mandarin Garnet, Garnet

Rare Vivid Orange Natural Mandarin/Spessartine Garnet Gemstone, 3.60 Ct Cushion
Located in Peshawar, PK
GEMSTONE TYPE: Mandarin/Spessartine Garnet PIECE(S): 1 WEIGHT: 3.60 Carats SHAPE: Square Cushion
Category

21st Century and Contemporary Brazilian Contemporary Loose Gemstones

Materials

Garnet, Mandarin Garnet

6.55 Carats Loose Orange Mandarin Citrine Gemstone From Africa Mines
Located in Peshawar, PK
Faceted Mandarin Citrine Weight: 6.55 Carats Dimension: 11.8x10.6x8.5 Mm Origin: Madagascar
Category

21st Century and Contemporary Malagasy Arts and Crafts Loose Gemstones

Materials

Citrine, Mandarin Garnet

Reddish Orange Spessartine, Spessartite or Mandarin Garnet 5.10 Carat Pear Shape
Located in Peshawar, PK
or Mandarin garnet due to its bright orange color. It is a manganese aluminum garnet that usually
Category

21st Century and Contemporary Malagasy Contemporary Loose Gemstones

Materials

Garnet, Mandarin Garnet

Spessartite Garnet Ring Gem 11.09 Carat Unmounted Oval Loose Gemstone
By Tamir
Located in Beverly Hills, CA
Bright 11.09 carat Spessartite Garnet (Mandarin Garnet) oval gem, offered loose to a fine gemstone
Category

21st Century and Contemporary Nigerian Contemporary Loose Gemstones

Materials

Garnet, Mandarin Garnet

Spessartite Garnet Ring Loose Stone 6.74 Carat Unmounted Pear Shape
By Tamir
Located in Beverly Hills, CA
Gorgeous 6.74 carat Spessartite Garnet gemstone, offered unmounted to a fine gem connoisseur
Category

21st Century and Contemporary Tanzanian Contemporary Loose Gemstones

Materials

Garnet, Mandarin Garnet

Spessartite Garnet Ring Necklace Gem 7.39 Carat Shield Loose Gemstone
By Merkaba
Located in Beverly Hills, CA
Fearless 7.39 carat Spessartite Garnet unmounted fancy Shield gem, offered loose to a fine gemstone
Category

21st Century and Contemporary Nigerian Contemporary Loose Gemstones

Materials

Garnet, Mandarin Garnet

10.60 Carat Genuine Loose Mandarin Citrine Round Flower Cut Orange Ring Gem
Located in Peshawar, PK
Faceted Mandarin Citrine Weight: 10.60 Carats Dimension: 14.4x14.4x10.1 Mm Origin: Brazil Color
Category

21st Century and Contemporary Brazilian Arts and Crafts Loose Gemstones

Materials

Citrine, Mandarin Garnet

13.65 Carats Deep Orange Loose Mandarin Citrine Fancy Cut For Jewellery Making
Located in Peshawar, PK
Loose Mandarin Citrine Weight: 13.65 Carats Dimension: 17.8x14.3x10.9 Mm Origin: Brazil Shape
Category

21st Century and Contemporary Brazilian Arts and Crafts Loose Gemstones

Materials

Mandarin Garnet, Citrine

3.50 Carats Natural Loose Spessartine Garnet Ring Gem January Birthstone
Located in Peshawar, PK
Faceted Spessartine Weight: 3.50 Carats Dimension: 9x7.8x5.2 Mm Family: Garnet Color: Orange Red
Category

21st Century and Contemporary Malagasy Arts and Crafts Loose Gemstones

Materials

Garnet, Mandarin Garnet

SI Clarity 1.25 Carat Pixel Bar Cut Loose Fanta Orange Spessartine Garnet
Located in Peshawar, PK
Faceted Spessartine Garnet Weight: 1.25 Carats Dimension: 7.5x4.9x3.6 Mm Origin: Afghanistan Shape
Category

2010s Afghan Arts and Crafts Loose Gemstones

Materials

Mandarin Garnet, Garnet

1.80 Carat Natural Loose Spessartine Garnet Emerald Gem For Jewellery Making
Located in Peshawar, PK
Loose Spessartine Garnet Weight: 1.80 Carats Dimension: 7.8 x 5.7 x 4.5 Mm Colour: Orange
Category

21st Century and Contemporary Afghan Arts and Crafts Loose Gemstones

Materials

Mandarin Garnet

37.87ct Vivid Mandarin Orange Spessartine / Spessartite Garnet Oval Cabochon
Located in Toronto, Ontario
RESULTS Species: Spessartine Garnet Variety: Geographic Origin: Treatment: Item Description: One loose
Category

2010s Nigerian Loose Gemstones

Materials

Garnet

2.29 Carat Hessonite Garnet Lotus Certified
Located in Hua Hin, TH
2.29 Carat Hessonite Garnet Lotus Certified Shape: Pear Cutting Style: Faceted Brilliant Modified
Category

2010s Sri Lankan Loose Gemstones

Materials

Garnet, Mandarin Garnet, Hessonite

2.29 Carat Hessonite Garnet Lotus Certified
2.29 Carat Hessonite Garnet Lotus Certified
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W 0.34 in D 0.22 in L 0.31 in
Orange Fanta 3.45 Carats Loose Madeira Citrine Asscher Cut Ring Gem
Located in Peshawar, PK
Loose Mandarin Citrine Weight: 3.45 Carats Dimension: 8.9x8.8x7 Mm Origin: Brazil Shape: Asscher
Category

Early 2000s Brazilian Arts and Crafts Loose Gemstones

Materials

Citrine, Mandarin Garnet

Sparkling Genuine 10.55 Carat Flower Cut Loose Madeira Citrine Gemstone
Located in Peshawar, PK
Faceted Mandarin Citrine Weight : 10.55 Carats Dimensions : 14.4x14.4x10.2 Mm Clarity : Loupe Clean
Category

Antique Mid-17th Century Brazilian Arts and Crafts Loose Gemstones

Materials

Citrine, Mandarin Garnet

Sparkling Genuine 10.55 Carat Flower Cut Loose Madeira Citrine Gemstone
Sparkling Genuine 10.55 Carat Flower Cut Loose Madeira Citrine Gemstone
Free Shipping
H 0.57 in W 0.57 in D 0.41 in L 0.57 in
5 Carats Round Precision Cut Loose Madeira Citrine Gemstone Ring Gem
Located in Peshawar, PK
Loose Citrine Weight: 5 Carats Dimension: 10.9x10.9x7.9 Mm Origin: Brazil Shape: Round Color
Category

21st Century and Contemporary Brazilian Arts and Crafts Loose Gemstones

Materials

Mandarin Garnet, Citrine

Tanzanite Earrings Loose Gemstones 3.34 Carat Square Octagons
By Merkaba
Located in Beverly Hills, CA
and Rubies, Padparadscha Sapphire, Aquamarine, Tsavorite, Spinel, Mandarin Garnet, Chrome Tourmaline
Category

21st Century and Contemporary Tanzanian Contemporary Loose Gemstones

Materials

Tanzanite

Tanzanite Ring Stone 56 Carat Cushion Loose Gemstone
By Merkaba
Located in Beverly Hills, CA
, Tsavorite, Spinel, Mandarin Garnet, Chrome Tourmaline, Cat's Eye Chrysoberyl, Star Ruby and Star Sapphire
Category

21st Century and Contemporary Tanzanian Contemporary Loose Gemstones

Materials

Tanzanite

Tanzanite Ring Stone 56 Carat Cushion Loose Gemstone
Tanzanite Ring Stone 56 Carat Cushion Loose Gemstone
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W 0.9 in D 0.58 in L 0.9 in
Opal Stone 51.39 Carat Natural Ethiopian loose Gemstone
By Merkaba
Located in Beverly Hills, CA
, Aquamarine, Tsavorite, Spinel, Mandarin Garnet, Chrome Tourmaline, Cat's Eye Chrysoberyl, Star Ruby and Star
Category

21st Century and Contemporary Ethiopian Contemporary Loose Gemstones

Materials

Opal

Pink Tourmaline Ring Gem 3.18 Carat Unmounted Loose Gemstone
By Tamir
Located in Beverly Hills, CA
and Rubies, Padparadscha Sapphire, Aquamarine, Tsavorite, Spinel, Mandarin Garnet, Chrome Tourmaline
Category

21st Century and Contemporary Congolese Contemporary Loose Gemstones

Materials

Tourmaline

Aquamarine Ring Loose Gemstone 4.26 Carat Oval Unmounted Gem
By Tamir
Located in Beverly Hills, CA
Rubies, Padparadscha Sapphire, Aquamarine, Tsavorite, Spinel, Mandarin Garnet, Chrome Tourmaline, Cat's
Category

21st Century and Contemporary Malagasy Contemporary Loose Gemstones

Materials

Aquamarine, Beryl

Aquamarine Ring Loose Gemstone 4.26 Carat Oval Unmounted Gem
Aquamarine Ring Loose Gemstone 4.26 Carat Oval Unmounted Gem
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W 0.39 in D 0.12 in L 0.49 in
Opal Stone 25.67 Carat Oval Natural Ethiopian Loose Gemstone
By Merkaba
Located in Beverly Hills, CA
, Tsavorite, Spinel, Mandarin Garnet, Chrome Tourmaline, Cat's Eye Chrysoberyl, Star Ruby and Star Sapphire
Category

21st Century and Contemporary Ethiopian Contemporary Loose Gemstones

Materials

Opal

Imperial Topaz Earrings Loose Gemstones 3.36 Carat Unmounted Cushions
By Merkaba
Located in Beverly Hills, CA
and Rubies, Padparadscha Sapphire, Aquamarine, Tsavorite, Spinel, Mandarin Garnet, Chrome Tourmaline
Category

21st Century and Contemporary Brazilian Contemporary Loose Gemstones

Materials

Topaz, Imperial Topaz

Opal Stone 27.42 Carat Natural Ethiopian Oval loose Gemstone
By Merkaba
Located in Beverly Hills, CA
, Tsavorite, Spinel, Mandarin Garnet, Chrome Tourmaline, Cat's Eye Chrysoberyl, Star Ruby and Star Sapphire
Category

21st Century and Contemporary Ethiopian Contemporary Loose Gemstones

Materials

Opal

Opal Stone 13.88 Carat Natural Ethiopian Marquise loose Gemstone
By Merkaba
Located in Beverly Hills, CA
, Tsavorite, Spinel, Mandarin Garnet, Chrome Tourmaline, Cat's Eye Chrysoberyl, Star Ruby and Star Sapphire
Category

21st Century and Contemporary Ethiopian Contemporary Loose Gemstones

Materials

Opal

Opal Stone 38.92 Carat Natural Ethiopian Marquise loose Gemstone
By Merkaba
Located in Beverly Hills, CA
, Aquamarine, Tsavorite, Spinel, Mandarin Garnet, Chrome Tourmaline, Cat's Eye Chrysoberyl, Star Ruby and Star
Category

21st Century and Contemporary Ethiopian Contemporary Loose Gemstones

Materials

Opal

Opal Stone 22.20 Carat Natural Ethiopian Oval loose Gemstone
By Merkaba
Located in Beverly Hills, CA
, Tsavorite, Spinel, Mandarin Garnet, Chrome Tourmaline, Cat's Eye Chrysoberyl, Star Ruby and Star Sapphire
Category

21st Century and Contemporary Ethiopian Contemporary Loose Gemstones

Materials

Opal

Opal Stone 19.17 Carat Oval Natural Ethiopian Loose Gemstone
By Merkaba
Located in Beverly Hills, CA
, Aquamarine, Tsavorite, Spinel, Mandarin Garnet, Chrome Tourmaline, Cat's Eye Chrysoberyl, Star Ruby and Star
Category

21st Century and Contemporary Ethiopian Contemporary Loose Gemstones

Materials

Opal

Opal Stone 12.00 Carat Trillion Natural Ethiopian Loose Gemstone
By Merkaba
Located in Beverly Hills, CA
, Aquamarine, Tsavorite, Spinel, Mandarin Garnet, Chrome Tourmaline, Cat's Eye Chrysoberyl, Star Ruby and Star
Category

21st Century and Contemporary Ethiopian Contemporary Loose Gemstones

Materials

Opal

Opal Stone 29.98 Carat Round Natural Ethiopian Loose Gemstone
By Merkaba
Located in Beverly Hills, CA
, Aquamarine, Tsavorite, Spinel, Mandarin Garnet, Chrome Tourmaline, Cat's Eye Chrysoberyl, Star Ruby and Star
Category

21st Century and Contemporary Ethiopian Contemporary Loose Gemstones

Materials

Opal

Opal Stone 10.96 Carat Oval Natural Ethiopian Loose Gemstone
By Merkaba
Located in Beverly Hills, CA
, Tsavorite, Spinel, Mandarin Garnet, Chrome Tourmaline, Cat's Eye Chrysoberyl, Star Ruby and Star Sapphire
Category

21st Century and Contemporary Ethiopian Contemporary Loose Gemstones

Materials

Opal

Opal Stone 10.79 Carat Cushion Natural Ethiopian Loose Gemstone
By Merkaba
Located in Beverly Hills, CA
, Aquamarine, Tsavorite, Spinel, Mandarin Garnet, Chrome Tourmaline, Cat's Eye Chrysoberyl, Star Ruby and Star
Category

21st Century and Contemporary Ethiopian Contemporary Loose Gemstones

Materials

Opal

Opal Stone 16.94 Carat Round Natural Ethiopian Loose Gemstone
By Merkaba
Located in Beverly Hills, CA
, Aquamarine, Tsavorite, Spinel, Mandarin Garnet, Chrome Tourmaline, Cat's Eye Chrysoberyl, Star Ruby and Star
Category

21st Century and Contemporary Ethiopian Contemporary Loose Gemstones

Materials

Opal

Blue Tourmaline Ring Gem 2.75 Carat Cushion Unmounted Loose Gemstone
By Merkaba
Located in Beverly Hills, CA
and Rubies, Padparadscha Sapphire, Aquamarine, Tsavorite, Spinel, Mandarin Garnet, Chrome Tourmaline
Category

21st Century and Contemporary Nigerian Contemporary Loose Gemstones

Materials

Tourmaline

Aquamarine Ring Loose Stone 1.85 Carat Unmounted Emerald Cut Gemstone
By Merkaba
Located in Beverly Hills, CA
, Spinel, Mandarin Garnet, Chrome Tourmaline, Cat's Eye Chrysoberyl, Star Ruby and Star Sapphire, Demantoid
Category

21st Century and Contemporary Mozambican Contemporary Loose Gemstones

Materials

Aquamarine, Beryl

Opal Stone 27.63 Carat Natural Ethiopian Pear Shape loose Gemstone
By Merkaba
Located in Beverly Hills, CA
, Aquamarine, Tsavorite, Spinel, Mandarin Garnet, Chrome Tourmaline, Cat's Eye Chrysoberyl, Star Ruby and Star
Category

21st Century and Contemporary Ethiopian Contemporary Loose Gemstones

Materials

Opal

Opal Stone 10.37 Carat Natural Ethiopian Pear Shape loose Gemstone
By Merkaba
Located in Beverly Hills, CA
, Aquamarine, Tsavorite, Spinel, Mandarin Garnet, Chrome Tourmaline, Cat's Eye Chrysoberyl, Star Ruby and Star
Category

21st Century and Contemporary Ethiopian Contemporary Loose Gemstones

Materials

Opal

Opal Stone 19.50 Carat Pear Shape Natural Ethiopian Loose Gemstone
By Merkaba
Located in Beverly Hills, CA
, Aquamarine, Tsavorite, Spinel, Mandarin Garnet, Chrome Tourmaline, Cat's Eye Chrysoberyl, Star Ruby and Star
Category

21st Century and Contemporary Ethiopian Contemporary Loose Gemstones

Materials

Opal

Opal Stone 11.72 Carat Rectangular Cushion Natural Ethiopian Loose Gemstone
By Merkaba
Located in Beverly Hills, CA
, Padparadscha Sapphire, Aquamarine, Tsavorite, Spinel, Mandarin Garnet, Chrome Tourmaline, Cat's Eye Chrysoberyl
Category

21st Century and Contemporary Ethiopian Contemporary Loose Gemstones

Materials

Opal

Opal Stone Pear Shape 22.17 Carat Natural Ethiopian Loose Gemstone
By Merkaba
Located in Beverly Hills, CA
, Aquamarine, Tsavorite, Spinel, Mandarin Garnet, Chrome Tourmaline, Cat's Eye Chrysoberyl, Star Ruby and Star
Category

21st Century and Contemporary Ethiopian Contemporary Loose Gemstones

Materials

Opal

Opal Stone 17.23 Carat Heart Shape Natural Ethiopian Loose Gemstone
By Merkaba
Located in Beverly Hills, CA
, Tsavorite, Spinel, Mandarin Garnet, Chrome Tourmaline, Cat's Eye Chrysoberyl, Star Ruby and Star Sapphire
Category

21st Century and Contemporary Ethiopian Contemporary Loose Gemstones

Materials

Opal

Mint Green Tourmaline Ring Gem 4.52 Carat Unmounted Trillion Loose Gemstone
By Merkaba
Located in Beverly Hills, CA
and Rubies, Padparadscha Sapphire, Aquamarine, Tsavorite, Spinel, Mandarin Garnet, Chrome Tourmaline
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
and Rubies, Padparadscha Sapphire, Aquamarine, Tsavorite, Spinel, Mandarin Garnet, Chrome Tourmaline
Category

21st Century and Contemporary Afghan Contemporary Loose Gemstones

Materials

Tourmaline

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Mandarin Garnet Loose For Sale on 1stDibs

On 1stDibs, you can find the most appropriate mandarin garnet loose for your needs in our varied inventory. Finding an appealing mandarin garnet loose — no matter the origin — is easy, but Merkaba, Sarosi By Timeless Gems and Tamir each produced a popular version that is worth a look. An oval cut version of this piece has appeal, but there are also trillion cut and cushion cut versions for sale. When shopping for a mandarin garnet loose, you’ll find that there are less available pieces for unisex or men today than there are for women.

How Much is a Mandarin Garnet Loose?

The price for a mandarin garnet loose starts at $913 and tops out at $80,000 with these rings, on average, selling for $8,325.

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.