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1.13 Carat Natural No Heat Burma Sapphire Platinum Solitaire Engagement Ring
By Gem and Honey
Located in New York, NY
A classic solitaire engagement ring by Gem + Honey, set with a rectangular, step-cut, natural (no-heat, untreated) vivid blue Burma sapphire weighing well over one carat, set in Plat...
Category
21st Century and Contemporary Contemporary Engagement Rings
Materials
Blue Sapphire, Sapphire, Platinum
1.46 Carat Certified No-Heat Cushion Shaped Burma Sapphire Engagement Ring
By Gem and Honey
Located in New York, NY
A beautiful and natural, no-heat unheated sapphire and diamond engagement ring by Gem + Honey. This jewel is centered with a 1.46-carat cushion-shaped blue sapphire from Burma (Myanm...
Category
21st Century and Contemporary Contemporary Engagement Rings
Materials
Diamond, Sapphire, Platinum
1.05 Carat Natural No Heat Burma Sapphire and Diamond Eternity Engagement Ring
By Gem and Honey
Located in New York, NY
A classic and elegant eternity engagement ring by Gem + Honey, set with a one-carat square, step-cut, natural (no-heat, untreated) Burma sapphire set with forty-two round brilliant-c...
Category
21st Century and Contemporary Contemporary Engagement Rings
Materials
Sapphire, Diamond, Blue Sapphire, Platinum
1.30 Carat No-Heat Emerald-Cut Burma Sapphire Bezel-Set Solitaire Gold Ring
By Gem and Honey
Located in New York, NY
A natural, no-heat (unheated) emerald-cut, bezel-set sapphire 18kt yellow gold ring by Gem + Honey. This chic ring is centered with a vivid blue Burmese sapphire. The sapphire weigh...
Category
21st Century and Contemporary Contemporary Engagement Rings
Materials
Sapphire, Gold, 18k Gold, Yellow Gold
Star Sapphire Ring Gem 11.53 Carat No Heat Loose Unset Gemstone
By Tamir
Located in Beverly Hills, CA
This natural unheated violetish blue Ceylon Star Sapphire weighs a total of 11.53 carats and it is offered loose for a classy lady or gentleman.
Returns are accepted and paid by us w...
Category
21st Century and Contemporary Contemporary Cocktail Rings
Materials
Sapphire, Blue Sapphire, Star Sapphire, 18k Gold, Platinum
Star Sapphire Ring Gem 12.74 Carat No Heat Loose Unset Gemstone
By Tamir
Located in Beverly Hills, CA
This unheated unique bluish grey Star Sapphire weighs a total of 12.74 carats and it is offered loose for a classy lady or gentleman.
Returns are accepted and paid by us within 7 day...
Category
21st Century and Contemporary Contemporary Cocktail Rings
Materials
Sapphire, Blue Sapphire, Star Sapphire, 18k Gold, Platinum
Star Sapphire Ring Gem 5.17 Carat No Heat Loose Unset Gemstone
By Tamir
Located in Beverly Hills, CA
This natural unheated Ceylon intense blue Star Sapphire oval cabochon, weighs a total of 5.17 carats and it is offered loose for a classy lady or gentleman.
Returns are accepted and ...
Category
21st Century and Contemporary Contemporary Cocktail Rings
Materials
Sapphire, Blue Sapphire, Star Sapphire, 18k Gold, Platinum
Star Sapphire Ring Gem 4.19 Carat No Heat Loose Unset Gemstone
By Merkaba
Located in Beverly Hills, CA
Remarkable 4.19 carat unheated Ceylon Star Sapphire offered loose for a classy lady or gentleman.
This exclusive no heat Star Sapphire would make an exquisite custom tailored jewelry...
Category
21st Century and Contemporary Contemporary Cocktail Rings
Materials
Sapphire, Blue Sapphire, Star Sapphire, Platinum, 18k Gold
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W 0.35 in. D 0.19 in. L 0.41 in.
Unheated Ruby Ring Gem 1.02 Carat Cushion No Heat Loose Unset Gemstone
By Merkaba
Located in Beverly Hills, CA
Natural unheated 1.02 carat Ruby cushion gem, offered loose to a fine gem collector.
Returns are accepted and paid by us within 7 days of delivery.
We offer supreme custom jewelry wo...
Category
21st Century and Contemporary Contemporary Engagement Rings
Materials
Ruby, 18k Gold, Platinum
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W 0.21 in. D 0.13 in. L 0.26 in.
Unheated Paraiba Tourmaline Ring Gem 17.14 Carat No Heat Loose Gemstone GIA
By Merkaba
Located in Beverly Hills, CA
Legendary unheated Paraiba Tourmaline cushion cut gem, weighing a total 17.14 carats, offered loose to a world-class gemstone collector.
Paraiba Tourmaline has established itself as ...
Category
21st Century and Contemporary Modern Cocktail Rings
Materials
Tourmaline, Paraiba, Platinum
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W 0.52 in. D 0.41 in. L 0.66 in.
Pink Star Sapphire Ring Gem 20.40 Carat No Heat Loose Unset Gemstone
By Tamir
Located in Beverly Hills, CA
This natural unheated light Pink Star Sapphire oval cabochon, weighs a total of 20.40 carats and it is offered loose for a classy lady or gentleman.
Returns are accepted and paid by ...
Category
21st Century and Contemporary Contemporary Cocktail Rings
Materials
Sapphire, Pink Sapphire, Star Sapphire, 18k Gold, Platinum
Free Shipping
W 0.54 in. L 0.66 in.
Unheated Sapphire Ring Gem 4.14 Carat Cornflower Blue No Heat Loose Gemstone
By Merkaba
Located in Beverly Hills, CA
Lively Cornflower Blue 4.14 carat unheated oval Sapphire gem, offered loose to a classy lady or gentleman.
The gem certificate is attached to the images for your reference.
Returns a...
Category
21st Century and Contemporary Contemporary Cocktail Rings
Materials
Sapphire, Blue Sapphire, 18k Gold, Platinum
Free Shipping
W 0.31 in. D 0.23 in. L 0.42 in.
Unheated Precious Imperial Topaz Ring Gem 7.75 Carat No Heat Loose Gemstone
By Merkaba
Located in Beverly Hills, CA
Superb unheated Brazilian Imperial Topaz oval gem, weighing a total of 7.75 carats.
The CDC gem lab certificate is attached to the image selection for your reference.
Returns are acc...
Category
21st Century and Contemporary Contemporary Cocktail Rings
Materials
Imperial Topaz, Topaz, 18k Gold, Rose Gold, White Gold, Yellow Gold, Pla...
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W 0.41 in. D 0.28 in. L 0.54 in.
Unheated Burma Sapphire Cabochon Ring Gem 15.77 Carats No Heat Loose Gemstone
By Merkaba
Located in Beverly Hills, CA
Rare and exceptional, world-class unheated Burma Sapphire cabochon, weighing a total of 15.77 carats, is offered loose to the world's most sophisticated gem collectors. This gem is s...
Category
21st Century and Contemporary Contemporary Cocktail Rings
Materials
Sapphire, Blue Sapphire, 18k Gold, White Gold, Platinum
Free Shipping
W 0.5 in. L 0.58 in.
Unheated Padparadscha Sapphire Ring Gem 6.26 Carat GRS Certified Ceylon No Heat
By Merkaba
Located in Beverly Hills, CA
Exemplary unheated "Ceylon" Padparadscha Sapphire pear shape gemstone, weighing a total of 6.26 carats.
This superb gem was awarded a special appendix report from the GRS gem lab, d...
Category
21st Century and Contemporary Contemporary Cocktail Rings
Materials
Padparadscha Sapphire , Sapphire, White Gold, Yellow Gold, Platinum, 18k...
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W 0.33 in. D 0.26 in. L 0.57 in.
Untreated Emerald Ring Gem 16.27 Carats Certified No Oil Loose Unset Gemstone
By Tamir
Located in Beverly Hills, CA
Natural untreated cushion cut Emerald, "no oil", weighing 16.27 carats, accompanied by GIA and Gubelin gem certificates as seen attached in the images for your convenience.
We offer ...
Category
21st Century and Contemporary Contemporary Cocktail Rings
Materials
Beryl, Emerald, 18k Gold, Platinum
Free Shipping
W 0.58 in. D 0.38 in. L 0.7 in.
Unheated Padparadscha Sapphire Ring Gem 3.02 Carat Ceylon No Heat Loose Gemstone
By Merkaba
Located in Beverly Hills, CA
Phenomenal 3.02 carat unheated Ceylon Padparadscha Sapphire gem, offered loose to a classy lady or gentleman.
The G.I.A and AGL gem certificates are attached to the images for your r...
Category
21st Century and Contemporary Contemporary Cocktail Rings
Materials
Padparadscha Sapphire , Sapphire, 18k Gold, Platinum
Free Shipping
W 0.27 in. D 0.21 in. L 0.41 in.
No Oil Colombian Emerald Ring Gem 2.14 Carat Untreated Loose Unset Gemstone
By Merkaba
Located in Beverly Hills, CA
Rare and exceptional, un-enhanced - no oil, 2.14 carat Colombian Emerald gem. This square emerald-cut Emerald gemstone, is offered loose to the worlds' most discerning gem collectors...
Category
21st Century and Contemporary Contemporary Cocktail Rings
Materials
Beryl, Emerald, 18k Gold, Rose Gold, White Gold, Yellow Gold, Platinum
Free Shipping
W 0.32 in. D 0.22 in. L 0.32 in.
Unheated Ceylon Padparadscha Sapphire Ring Gem 4.14 Carat No Heat Loose Gemstone
By Merkaba
Located in Beverly Hills, CA
Ultra rare and exclusive, collection quality, 4.14 carat unheated Ceylon Padparadscha Sapphire oval, offered loose to the world’s most avid gem collectors.
The GIA certificate is at...
Category
21st Century and Contemporary Contemporary Cocktail Rings
Materials
Padparadscha Sapphire , Sapphire, 18k Gold, White Gold, Rose Gold, Yello...
Free Shipping
W 0.32 in. L 0.43 in.
Unheated Ceylon Sapphire Ring Gem 6.50 Carat No Heat Cushion Loose Unset
By Merkaba
Located in Beverly Hills, CA
Supreme collection-quality 6.50 carat unheated "Cornflower Blue" Ceylon Sapphire cushion, offered loose to the world's most sophisticated gem collectors. This gem is superior in clar...
Category
21st Century and Contemporary Contemporary Cocktail Rings
Materials
Sapphire, Blue Sapphire, 18k Gold, Platinum
Free Shipping
W 0.36 in. D 0.24 in. L 0.51 in.
GIA 9.10 Carat Natural Gem No Heat Sapphire Diamond Ring Cocktail Unheated
Located in New York, NY
The No Heat & Prime Origin.
GIA 4.32ct. Natural Sapphire
Full cut brilliant Oval cut
Clean VS clarity
Transparent and vibrant top gem Cornflower Classic
GIA # 5141455119
*Pl...
Category
2010s Cocktail Rings
Materials
Diamond, Sapphire, 14k Gold, White Gold
Free Shipping
W 0.91 in. D 0.34 in. L 0.8 in.
Unheated Orange Sapphire Ring Gem 8.10 Carat GIA No Heat Loose Unset Gemstone
By Merkaba
Located in Beverly Hills, CA
Rare and exceptional 8.10 carat unheated orange Sapphire round gem, offered loose to an avid gem collector.
The G.I.A. gem certificate is attached to the images for your reference.
R...
Category
21st Century and Contemporary Contemporary Cocktail Rings
Materials
Sapphire, Other, 18k Gold, Yellow Gold, Platinum
Free Shipping
W 0.43 in. D 0.32 in. L 0.44 in.
AGL Certified No Oil Colombian Emerald Cushion Cut Signet Ring in 18 Karat Gold
By Thesis Gems and Jewelry
Located in Berkeley, CA
This ring features a gem quality 1.07 alpine green Colombian emerald that is certified by AGL as having no treatment. It is set in our hand carved wax/cast signet of 18 karat recycle...
Category
2010s Artisan Engagement Rings
Materials
Emerald, Gold, 18k Gold
Unheated Burma Sapphire Ring Gem 3.01 Carat Royal Blue No Heat Loose Gemstone
By Merkaba
Located in Beverly Hills, CA
Royal Blue 3.01 carat unheated Burma Sapphire round gem, offered loose to an avid gemstone collector.
The G.I.A and GRS certificates are attached to the images for your convenience.
...
Category
21st Century and Contemporary Modern Cocktail Rings
Materials
Sapphire, Blue Sapphire, 18k Gold, Rose Gold, White Gold, Yellow Gold, P...
Unheated Ceylon Yellow Sapphire Ring Gem 5.56 Carat AGTA Certified No Heat Loose
By Merkaba
Located in Beverly Hills, CA
Natural, unheated 5.56 carat Ceylon Yellow Sapphire oval, offered loose to the world's most avid gem collectors.
AGTA (American Gem Trade Association) gem certificate is attached to ...
Category
21st Century and Contemporary Contemporary Cocktail Rings
Materials
Sapphire, Yellow Sapphire, Rose Gold, White Gold, Yellow Gold, Platinum,...
Free Shipping
W 0.39 in. D 0.24 in. L 0.47 in.
Unheated Ruby Ring Gem 2.09 Carat AGL Certified No Heat Loose Unset Gemstone
By Merkaba
Located in Beverly Hills, CA
Exceedingly fine 2.09 carat natural, no heat Ruby oval gem, offered loose to a sophisticated gemstone collector.
The AGL gem certificate is attached to the image selection for your r...
Category
21st Century and Contemporary Contemporary Cocktail Rings
Materials
Ruby, 18k Gold, Rose Gold, White Gold, Yellow Gold, Platinum
Free Shipping
W 0.28 in. L 0.34 in.
Natural Sapphire Diamond Gold Ring, 8.16-carat Burmese No Heat AGL Gem Report
Located in Beverly Hills, CA
Classy and timeless Princess D style ring featuring a stunning 8.16-carat natural non-heated oval Burmese sapphire framed with fourteen round brilliant cut diamonds set in 18k white ...
Category
21st Century and Contemporary Cocktail Rings
Materials
White Diamond, Blue Sapphire, White Gold, 18k Gold
Free Shipping
W 0.63 in. L 0.88 in.
Unheated Ruby Ring Gem 3.04 Carat GRS Certified Vivid Red No Heat Loose Gemstone
By Merkaba
Located in Beverly Hills, CA
Natural 3.04 carat, unheated, vivid red Ruby ring gem, offered loose to a passionate lady or gentleman.
The GRS gem certificate is attached to the image selection for your reference....
Category
21st Century and Contemporary Contemporary Cocktail Rings
Materials
Ruby, 18k Gold, Platinum, Rose Gold
Free Shipping
W 0.27 in. D 0.2 in. L 0.37 in.
GIA No Heat 2.97 Carat Natural Gem Blue Sapphire Diamond Ring Unheated 14 Karat
Located in New York, NY
Gem Investiture.
2.27ct. GIA No Heat Sapphire
Classic Royal Top Gem Blue
8.49 X 6.71 X 4.60
Vibrant Saturation
Fully Faceted Oval Shape for maximum brilliance
Clean Clarity an...
Category
2010s Solitaire Rings
Materials
Diamond, Blue Sapphire, 14k Gold, White Gold
Gem Bleu No Heat Purplish-Pink Sapphire 0.91 Carat Ring in 14 Karat Rose Gold
Located in New York, NY
Experience the height of luxury when wearing this gorgeous ring. The pear-cut Sapphire is perfectly set in a bed of diamonds, with 14k rose gold twining around to form the band. Styl...
Category
2010s Cocktail Rings
Materials
Pink Sapphire, 14k Gold, Rose Gold
Unheated Sapphire Heart Shape 7.57 Carat Gem No Heat Loose Unset Gemstone
By Merkaba
Located in Beverly Hills, CA
Rare and exclusive 7.57 carat, "loupe clean", unheated blue Sapphire heart shape offered loose to a lovely lady.
Returns are accepted and paid by us within 7 days of delivery.
We off...
Category
21st Century and Contemporary Contemporary Cocktail Rings
Materials
Sapphire, Blue Sapphire, 18k Gold, Platinum
Free Shipping
W 0.43 in. D 0.28 in. L 0.56 in.
No-Heat Gem Ruby Diamond Platinum Gold Ring, GIA Certified
Located in Beverly Hills, CA
A GIA certified unheated 2.53 carat ruby in an 18K yellow gold setting is the feature of this gorgeous ring. This is possibly the finest ruby we have encountered, heated or unheated....
Category
2010s Cocktail Rings
Materials
Diamond, Ruby, 18k Gold, Yellow Gold, Platinum
1.40 Carat Emerald-Cut No-Heat Burmese Sapphire and Diamond Engagement Ring
By Gem and Honey
Located in New York, NY
A beautiful emerald-cut no-heat one-carat unheated sapphire and diamond engagement ring by Gem + Honey. This jewel is centered with a vivid blue sapphire from Burma (Myanmar), accent...
Category
21st Century and Contemporary Contemporary Engagement Rings
Materials
Diamond, Sapphire, Platinum
GIA Colombian No Oil Emerald with GIA Fancy Cut Diamond Engagement Ring
By Thesis Gems and Jewelry
Located in Berkeley, CA
This ring features a Colombian pear shaped emerald, matched with a diamond half moon.
The ring was hand forged by our master goldsmith in California.
-Colombian emerald- 1.19 carat...
Category
2010s Artisan Engagement Rings
Materials
Diamond, Emerald, 18k Gold, 22k Gold
GIA Platinum Natural Gem No Heat AAA Sapphire and Diamond Ring 4.41 Carat
Located in Beverly Hills, CA
Wow Platinum Natural No Heat Sapphire & Diamond Ring 4.41ctw
Beautiful sapphire & diamond ring
Very elegant for everyday wear !!
Approx 1.92 ctw of diamonds G-H VS
Sapphire ...
Category
1990s More Rings
Materials
Diamond, Sapphire, Platinum
GIA Platinum Natural Gem No Heat AAA Sapphire and Diamond Ring 4.41 Carat
Located in Beverly Hills, CA
Vintage GIA Ceylon Platinum Natural No Heat Sapphire & Diamond Ring 3.63ctw 4g
Beautiful sapphire & diamond ring
Very elegant for everyday wear !!
Approx 0.05ctw of H SI diam...
Category
1990s More Rings
Materials
Diamond, Sapphire, Platinum
Intense Blue Ceylon Sapphire Ring 7.62 Carat No Heated Carat Gem Lab Certified
By Héritage Jewelry
Located in Herzliya, IL
A Intense Blue Sapphire Ring weighing 7.62 carats.
The stone’s shape is oval, with a striking Intense Blue.
The ring is set with two trodia Diamond weighing 0.72 Carats.
The Sapphir...
Category
21st Century and Contemporary Three-Stone Rings
Materials
Diamond, Sapphire, Blue Sapphire, 18k Gold
W 0.48 in. D 0.29 in. L 0.38 in.
Unheated Orange Sapphire GIA Certified 3.07 Carat Natural No Heat Gem
By Merkaba
Located in Beverly Hills, CA
Natural, unheated, "Ceylon" orange Sapphire oval gem, weighing a total of 3.07 carats.
This supreme Sri Lanka gem is offered loose, and it would make an exceptional custom made jewel...
Category
21st Century and Contemporary Contemporary Cocktail Rings
Materials
Sapphire, Yellow Sapphire, Other, 18k Gold, Rose Gold, White Gold, Yello...
Free Shipping
W 0.31 in. L 0.4 in.
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Colorful Gemstones Are a Brilliant Choice for Engagement Rings
If diamonds don’t seem right, what about a magnificent sapphire, ruby or emerald?
Our Guide to Fancy-Colored Diamond Engagement Rings
Accounting for just 1 percent of all diamonds, these marvels of nature are exceedingly rare and gorgeously complex.