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California - Loose Gemstones

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Item Ships From: California
Natural Blue Sapphire Gemstone 1.99 carats with GIA Report / JupiterGem
Located in Los Angeles, CA
Explore the enchanting allure of 1.99 carats Natural Blue Sapphire. With a cushion shape measuring 6.93 x 6.22 x 4.85 mm, this gem dazzles with brilliant clarity, unparalleled luste...
Category

21st Century and Contemporary California - Loose Gemstones

Materials

Blue Sapphire

2.00 Carat Loose G / VS1 Round Brilliant Cut Diamond GIA Certified
Located in Sherman Oaks, CA
Diamond General Info Diamond Cut: Round Brilliant Measurements:8.07 x 7.92 - 5.05 mm Diamond Grading Results Carat Weight: 2.00 Color Grade: G Clarity Grade: VS1 Additional Gra...
Category

21st Century and Contemporary American Modern California - Loose Gemstones

Materials

Diamond

London Blue Topaz 7.9 Carat Emerald Cut Loose Gemstone
Located in Aliso Viejo, CA
This 7.90 carat London Blue Topaz captivates with its deep teal-blue color, reminiscent of the mysterious depths of the ocean. Precision-cut in a classic emerald cut, this gemstone f...
Category

21st Century and Contemporary Contemporary California - Loose Gemstones

Materials

Emerald, Topaz, Blue Topaz

57.30 Carat Unheated Aquamarine Pear Shape, Pendant Collector Gemstone
By Sarosi By Timeless Gems
Located in Los Angeles, CA
This 57.30 carat pear shaped unheated aquamarine is a beautiful shade of bright, slightly bluish green. Measuring 34.50 x 21.60 x 13.00 millimeters...
Category

21st Century and Contemporary Unknown Artisan California - Loose Gemstones

Materials

Aquamarine

Natural Unheated Purple Star Sapphire Gemstone 6.65 carats with GIA Report
Located in Los Angeles, CA
Explore the charm of 6.65 carats Natural Purple Star Sapphire, an oval-cut gem with a Brilliant/Step cut, measuring 11.35 x 8.25 x 6.87 mm. Authenticated by a GIA Report, its unheate...
Category

21st Century and Contemporary Unknown California - Loose Gemstones

Materials

Star Sapphire

London Blue Topaz 7.9 Carat Emerald Cut Loose Gemstone
Located in Aliso Viejo, CA
This 7.90 carat London Blue Topaz captivates with its deep teal-blue color, reminiscent of the mysterious depths of the ocean. Precision-cut in a classic emerald cut, this gemstone f...
Category

21st Century and Contemporary Contemporary California - Loose Gemstones

Materials

Emerald, Topaz, Blue Topaz

Natural Blue Aquamarine Gemstone 9.11 carats / JupiterGem
Located in Los Angeles, CA
Discover the serene beauty of Aquamarine at 1stDibs, where the finest gemstones are meticulously curated for collectors and jewelry enthusiasts. This exquisite Aquamarine, with its l...
Category

21st Century and Contemporary Unknown California - Loose Gemstones

Materials

Aquamarine

Natural Blue Sapphire Gemstone 2.61 carats with GIA Report / JupiterGem
Located in Los Angeles, CA
Explore the captivating allure of Natural Blue Sapphire, elegantly set in a beautifully crafted piece. This stunning gemstone, renowned for its deep blue hue, is perfect for those wh...
Category

21st Century and Contemporary Unknown California - Loose Gemstones

Materials

Blue Sapphire

Princess 1.5 Carat Certified Loose Diamond - J SI2, GIA Certified
Located in Tustin, CA
This stunning Princess Cut 1.5 Carat Loose Diamond is a perfect blend of elegance and brilliance, ideal for crafting your dream engagement ring or bespoke jewelry piece. Featuring a ...
Category

2010s California - Loose Gemstones

Materials

Diamond

Natural Unheated Padparadscha Sapphire Gemstone 0.41 carats with AIGS Report
Located in Los Angeles, CA
Shop our selection of padparadscha sapphire and other flawless gems today. Natural padparadscha sapphire is a treasure in every sense of the word. The world's most coveted unheated padparadscha sapphire...
Category

21st Century and Contemporary Unknown California - Loose Gemstones

Materials

Sapphire, Padparadscha Sapphire

Natural Unheated Red Garnet Gemstone 19.42 carats / JupiterGem
Located in Los Angeles, CA
Fashioned as a heart, this rich red 19.42 carat natural Garnet is a well fashioned, eye clean gem. A statement piece, the gem’s flattering color will symbolize her personal style and...
Category

21st Century and Contemporary Mozambican California - Loose Gemstones

Materials

Garnet

GIA Certified 3.02 Carats Heated Pink Sapphire
Located in Los Angeles, CA
This octagon shaped Pink Sapphire has been modified to reveal an unmatched brilliance. A gemstone that displays an even color throughout, this 3.02 carat purplish pink sapphire spark...
Category

21st Century and Contemporary Unknown California - Loose Gemstones

Materials

Pink Sapphire

Natural Unheated Blue Sapphire Gemstone 1.85 carats with GIA Report
Located in Los Angeles, CA
This Natural Unheated Blue Sapphire, weighing 1.85 carats, is accompanied by a GIA Report for authenticity. The triangular-shaped gem, with measurements of 7.36 x 7.49 x 4.33 mm, fea...
Category

21st Century and Contemporary Unknown California - Loose Gemstones

Materials

Blue Sapphire

GIA Certified Old-Mine Cut Loose Diamond 1.08ct
Located in Laguna Beach, CA
1.08 carat old-mine cut diamond. GIA graded E color, VS1 clarity. GIA grading report number is 1236538153. Comes with a full certificate.
Category

Late 20th Century California - Loose Gemstones

Materials

Diamond

Natural Blue Sapphire Gemstone 2.10 carats / JupiterGem
Located in Los Angeles, CA
Explore the enchanting beauty of this natural blue sapphire, expertly cut and set to perfection. This gemstone is an exquisite choice for those who appreciate the natural elegance of...
Category

21st Century and Contemporary Unknown California - Loose Gemstones

Materials

Blue Sapphire

Natural Purple Sapphire Gemstone 2.95 carats with GIA Report / JupiterGem
Located in Los Angeles, CA
Discover the refined elegance of this natural purple sapphire, weighing 2.95 carats. With its luxurious purple hue and classic cushion shape, this gemstone is a stunning choice for f...
Category

21st Century and Contemporary Unknown California - Loose Gemstones

Materials

Sapphire, Purple Sapphire

Natural Yellow Sapphire Gemstone 3.54 carats with GIA Report
Located in Los Angeles, CA
Here is a yellow sapphire that comes alive as the light enters the gemstone. This gemstone that weights 3.54 carats is a durable choice for an everyday ring. Perfect for a woman who ...
Category

21st Century and Contemporary Unknown California - Loose Gemstones

Materials

Yellow Sapphire

Natural Unheated Purple Sapphire Gemstone 3.28 carats with GIA Report
Located in Los Angeles, CA
Discover the exquisite allure of the Amethyst, a gemstone that captivates with its natural beauty and rich purple hue. This particular Amethyst is a Natural Purple Sapphire, expertly...
Category

21st Century and Contemporary Unknown California - Loose Gemstones

Materials

Sapphire, Purple Sapphire

Natural Blue Sapphire Gemstone 1.81 carats with GIA report / JupiterGem
Located in Los Angeles, CA
Immerse yourself in the allure of 1.81 carats Natural Blue Sapphire, backed by a GIA report. This cushion-shaped gem, measuring 7.08 x 6.29 x 4.69 mm, boasts exceptional clarity and ...
Category

21st Century and Contemporary Unknown California - Loose Gemstones

Materials

Blue Sapphire

7.49 Carat Rose Zircon Oval, Unset Loose Gemstone
By Sarosi By Timeless Gems
Located in Los Angeles, CA
This pretty rose zircon is a perfectly symmetrical oval and has a beautiful medium reddish pink color. While zircon is widely recognized for its lovely blu...
Category

21st Century and Contemporary California - Loose Gemstones

Materials

Zircon

Natural Unheated Red Mozambique Gemstone 1.24 carats with GIA Report
Located in Los Angeles, CA
Presenting a natural Unheated Mozambique Ruby, weighing 1.24 carats, accompanied by a GIA Report for authenticity. The oval-shaped gem, measuring 7.39 x 5.31 x 3.56 mm, features a Br...
Category

21st Century and Contemporary Mozambican California - Loose Gemstones

Materials

Ruby

Natural Blue Sapphire Gemstone 2.95 carats with GIA Report / JupiterGem
Located in Los Angeles, CA
Introducing a natural Blue Sapphire weighing 2.95 carats, accompanied by a GIA Report for authenticity. The octagonal-shaped gem, measuring 7.37 x 7.32 x 5.51 mm, features a Brillian...
Category

21st Century and Contemporary Unknown California - Loose Gemstones

Materials

Blue Sapphire

1.46 Carat "Berry" Color Change Garnet Oval, Unset Loose Gemstone
By Sarosi By Timeless Gems
Located in Los Angeles, CA
This color change garnet is like a basket of fresh berries to be enjoyed year-round! Depending on the light source and time of day, this gemstone ...
Category

21st Century and Contemporary Artisan California - Loose Gemstones

Materials

Garnet

Natural Pink Sapphire Gemstone 0.81 carats / JupiterGem
Located in Los Angeles, CA
Identification: Natural Pink Sapphire • Carat: 0.81 carats • Shape: Cushion • Measurement: 5.81 x 4.47 x 3.08 mm • Color: Pink • Cut: Brilliant/step • Origin: Sri Lanka • Clarity: v...
Category

21st Century and Contemporary Sri Lankan California - Loose Gemstones

Materials

Pink Sapphire

Trillion-Cut Ethiopian Opal – Rare Gem of Elegance by Merkaba Beverly Hills
By Merkaba
Located in Beverly Hills, CA
12.00-Carat Trillion-Cut Ethiopian Opal – A Rare and Unique Gem by Merkaba Jewelry Beverly Hills. A Trillion-Cut Treasure for the Discerning Connoisseur The 12.00-carat trillion-cut...
Category

21st Century and Contemporary Ethiopian Contemporary California - Loose Gemstones

Materials

Opal

Spectacular Deep Orange Tourmaline – Create Bespoke Ring with Merkaba Jewelry
By Merkaba
Located in Beverly Hills, CA
Spectacular 5.23-Carat Deep Orange Tourmaline Cushion Gem – Design Your Dream - Merkaba jewelry Beverly Hills. Introducing the Spectacular 5.23-Carat Deep Orange Tourmaline Cushion ...
Category

21st Century and Contemporary Unknown Contemporary California - Loose Gemstones

Materials

Tourmaline

Rare Hexagon Aquamarine – Design Your Dream - Luxury Custom Jewelry Masterpiece
By Merkaba
Located in Beverly Hills, CA
Spectacular 6.54-Carat Aquamarine Hexagon Gem – Design Your Dream - Merkaba Jewelry Beverly Hills. Introducing the Spectacular 6.54-Carat Aquamarine Hexagon Gem, a rare and extraord...
Category

21st Century and Contemporary Malagasy Contemporary California - Loose Gemstones

Materials

Aquamarine, Beryl

Natural Unheated Orange Sapphire Gemstone 4.10 carats with GRS Report
Located in Los Angeles, CA
At 4.10 carats, this Orange Sapphire is an easy choice if you’re looking for a burst of fresh color. This gemstone has the sparkle and luster that make it an impeccable choice for an...
Category

21st Century and Contemporary Tanzanian California - Loose Gemstones

Materials

Sapphire

Natural Yellow Sapphire Gemstones Matching Pair 2.33 carats / JupiterGem
Located in Los Angeles, CA
Discover the radiant beauty of this matching pair of natural yellow sapphires, totaling 2.33 carats. The vibrant yellow hue and trillion shape make these sapphires an elegant choice ...
Category

21st Century and Contemporary Unknown California - Loose Gemstones

Materials

Yellow Sapphire

3.21 Carat Aquamarine Kite Loose Gemstone for Custom Jewelry Beverly Hills
By Merkaba
Located in Beverly Hills, CA
Spectacular 3.21 Carat Aquamarine Kite Loose Gemstone – A Rare Beauty for Custom Creations Merkaba Jewelry Beverly Hills. Discover the Radiance of Aquamarine Presenting a breathta...
Category

21st Century and Contemporary Malagasy Contemporary California - Loose Gemstones

Materials

Blue Sapphire, Pink Diamond, Yellow Diamond, Blue Diamond, Diamond, Bery...

Pear-Shaped Ethiopian Opal – Rare Collector’s Gemstone by Merkaba Beverly Hills
By Merkaba
Located in Beverly Hills, CA
19.50-Carat Pear-Shaped Ethiopian Opal – A Rare Collector’s Gem by Merkaba Jewelry Beverly Hills A Gem of Elegance for the Discerning Connoisseur The 19.50-carat pear-shaped Ethiopi...
Category

21st Century and Contemporary Ethiopian Contemporary California - Loose Gemstones

Materials

Opal

1.71 Carat Loose K / VS2 Round Brilliant Cut Diamond GIA Certified
Located in Sherman Oaks, CA
1.71 Carat Loose K / VS2 Round Brilliant Cut Diamond GIA Certified Diamond General Info GIA Report Number: 1182391857 Diamond Cut: Round Brilliant Measurements: 7.60 x 7.53 - 4....
Category

21st Century and Contemporary American Modern California - Loose Gemstones

Materials

Diamond

Natural Unheated White Sapphire Gemstone 5.33 carats with GIA Report
Located in Los Angeles, CA
Introducing a captivating Natural Unheated White Sapphire, a genuine beauty at 5.33 carats, meticulously documented with the prestigious GIA Report. This octagonal marvel, measuring ...
Category

21st Century and Contemporary Unknown California - Loose Gemstones

Materials

Sapphire

Alexander Beverly Hills GIA 6.03ct Radiant Diamond J SI1
By Alexander Beverly Hills
Located in BEVERLY HILLS, CA
Stunning loose radiant cut diamond, GIA certified. Sold as loose diamond but can easily be made into a ring of your liking. Crafted by some of the most prestigious bench jewelers in ...
Category

2010s Contemporary California - Loose Gemstones

Materials

Diamond, White Diamond

GIA Certified Round Brilliant Cut Loose Diamond 1.00ct
Located in Laguna Beach, CA
1.00 carat round brilliant cut diamond. GIA graded E color, i3 clarity. The GIA report number is 2239388857. They were overly harsh on the clarity grade. Nothing can be seen with the...
Category

Late 20th Century California - Loose Gemstones

Materials

Diamond

GIA Certified Paraiba Tourmaline 1.52 Carat Natural
Located in Aliso Viejo, CA
It comes with the Original GIA Certificate Natural Paraiba Tourmaline Carat Weight: 1.52 Carats Measurements: 6.99 x 6.13 x 5.57 mm
Category

21st Century and Contemporary Contemporary California - Loose Gemstones

Materials

Tourmaline, Paraiba

Natural Euclase Gemstone 9.92 carats / JupiterGem
Located in Los Angeles, CA
A touch of greyish green adds soft color to this 9.92 carat natural Euclase. A rare gem that who’s sparkle is will arrest your attention, this Euclase is a lovely choice for a custom...
Category

21st Century and Contemporary Unknown California - Loose Gemstones

Materials

Other

21.71ct Princess Cut Aquamarine – Rare Gem for Custom Luxury Jewelry By Merkaba
By Merkaba
Located in Beverly Hills, CA
ncredible 21.71 Carat Aquamarine Princess Cut Gem: Design Your Dream Jewelry Masterpiece - Merkaba Beverly Hills. Introducing a breathtaking 21.71 c...
Category

21st Century and Contemporary Mozambican Modern California - Loose Gemstones

Materials

Aquamarine, Beryl

Natural Unheated Pink Sapphire Gemstone 2.03 carats with GIA Report
Located in Los Angeles, CA
Identification: Natural Pink Sapphire • Carat: 2.03 carats • Shape: Pear • Measurements: 9.46 x 6.30 x 4.56 mm • Color: Purplish Pink • Cut: Brilliant/step • Color Zoning: None • Cl...
Category

21st Century and Contemporary Unknown California - Loose Gemstones

Materials

Pink Sapphire

Natural Unheated White Sapphire Gemstone 3.55 carats with GIA Report
Located in Los Angeles, CA
Presenting a dazzling 3.55 carats Natural White Sapphire, graced with the esteemed GIA Report. This octagonal gem, measuring 10.41 x 7.18 x 5.01 mm, emanates a nearly colorless brill...
Category

21st Century and Contemporary Unknown California - Loose Gemstones

Materials

Sapphire

4.56 Carat Peridot, Pear Shape, Unset Loose Gemstone
By Sarosi By Timeless Gems
Located in Los Angeles, CA
This 4.56 carat pear shaped peridot would make a beautiful custom-made ring or pendant! It has gorgeous apple green color, a beautiful shape and eye-catching sparkle. Measuring 13.30...
Category

21st Century and Contemporary American Artisan California - Loose Gemstones

Materials

Peridot

Natural Blue Aquamarine Gemstone 10.55 carats / JupiterGem
Located in Los Angeles, CA
Discover the captivating elegance of Aquamarine at 1stDibs, where the finest natural gemstones are showcased. This remarkable Aquamarine, with its enchanting light blue hue, epitomiz...
Category

21st Century and Contemporary Unknown California - Loose Gemstones

Materials

Aquamarine

Natural Citrine 6.83 Carat Emerald Cut Loose Gemstone
Located in Aliso Viejo, CA
This exquisite 6.83 carat Natural Citrine features a refined emerald cut, enhancing its clarity and depth with mesmerizing step-cut facets. Exhibiting a rich golden-yellow hue, this ...
Category

21st Century and Contemporary Contemporary California - Loose Gemstones

Materials

Citrine, Emerald

GIA Certified Round Diamond 1.52ct E SI1
Located in Los Angeles, CA
Gorgeous cut Round diamond with GIA certification. offered as a loose diamond, but it is simple to shape it into the ring of your choice. Designed by Aamiaa and crafted by some of th...
Category

21st Century and Contemporary California - Loose Gemstones

Materials

Diamond

Natural Citrine 6.83 Carat Emerald Cut Loose Gemstone
Located in Aliso Viejo, CA
This exquisite 6.83 carat Natural Citrine features a refined emerald cut, enhancing its clarity and depth with mesmerizing step-cut facets. Exhibiting a rich golden-yellow hue, this ...
Category

21st Century and Contemporary Contemporary California - Loose Gemstones

Materials

Citrine, Emerald

Natural Blue Aquamarine Gemstone 10.53 carats / JupiterGem
Located in Los Angeles, CA
Explore the stunning elegance of Aquamarine at 1stDibs, where the finest gemstones are curated for discerning collectors and jewelry enthusiasts. This exquisite Aquamarine, with its ...
Category

21st Century and Contemporary Unknown California - Loose Gemstones

Materials

Aquamarine

Natural Unheated Red Mozambique Ruby Gemstone 1.09 carats with GIA Report
Located in Los Angeles, CA
Experience the unmatched elegance of a Natural Unheated Mozambique Ruby, a gemstone that perfectly captures nature's unaltered beauty. This 1.09-carat ruby is a remarkable example of...
Category

21st Century and Contemporary Mozambican California - Loose Gemstones

Materials

Ruby

Natural Green Sapphire Gemstone 5.54 carats / JupiterGem
Located in Los Angeles, CA
Embrace the natural beauty of this stunning green sapphire, weighing an impressive 5.54 carats. With its vivid green hue and expert craftsmanship, this Sri Lankan sapphire is an exce...
Category

21st Century and Contemporary Sri Lankan California - Loose Gemstones

Materials

Green Sapphire

Natural Unheated Red Garnet Gemstone 10.08 carats / JupiterGem
Located in Los Angeles, CA
Discover an extraordinary Natural Garnet, boasting an impressive 10.08 carats. This gem, cut in a stunning Cushion shape with measurements of 13.26 x 10.78 x 7.66 mm, showcases a Bri...
Category

21st Century and Contemporary Mozambican California - Loose Gemstones

Materials

Garnet

Natural Blue Sapphire Gemstone 2.75 carats / JupiterGem
Located in Los Angeles, CA
Discover the captivating allure of this natural blue sapphire, precisely cut and polished to perfection. This exquisite gemstone is ideal for those who cherish the natural splendor o...
Category

21st Century and Contemporary Unknown California - Loose Gemstones

Materials

Blue Sapphire

2.70 Carat Elongated Pear Shape Rubellite Tourmaline, Unset Loose Gemstone
By Sarosi By Timeless Gems
Located in Los Angeles, CA
This vibrant pink rubellite tourmaline pear would be beautiful set as a sleek, ultra-sophisticated pendant or modern ring! Weighing 2.70 carats, it has a gorgeous elongated shape and...
Category

21st Century and Contemporary Artisan California - Loose Gemstones

Materials

Rubelite, Tourmaline

Natural Mexican Fire Opal 5.45 Carat Emerald Cut Loose Gemstone Play-of-Color
Located in Aliso Viejo, CA
Ignite your collection with the captivating brilliance of this 5.45 carat Natural Mexican Fire Opal, expertly cut into a emerald cut to maximize its radiance. Sourced from Mexico, th...
Category

21st Century and Contemporary Contemporary California - Loose Gemstones

Materials

Emerald, Opal, Fire Opal

Bicolor Tourmaline Emerald-Cut – Rare Luxury Gem for Collectors & Custom Jewelry
By Merkaba
Located in Beverly Hills, CA
Exceptional 17.68 Carat Bicolor Tourmaline Emerald-Cut Gem: A Collector’s Dream & Custom Jewelry Inspiration -Merkaba Beverly Hills. Introducing an extraordinary 17.68 carat Bicolor...
Category

21st Century and Contemporary Mozambican Modern California - Loose Gemstones

Materials

Tourmaline, Other

0.54 Carat Loose J/ VS2 Princess Cut Diamond GIA Certified
Located in Sherman Oaks, CA
0.54 Carat Loose J/ VS2 Princess Cut Diamond GIA Certified Diamond General Info GIA Report Number:1182451620 Diamond Cut: Square Modified Bri...
Category

21st Century and Contemporary American Modern California - Loose Gemstones

Materials

Diamond

Natural Unheated Red Mozambique Ruby 1.16 carats with GIA Report / JupiterGem
Located in Los Angeles, CA
Discover a natural Unheated Mozambique Ruby weighing 1.16 carats, accompanied by a GIA Report for authentication. The oval-shaped gem, measuring 7.35 x 5.13 x 3.24 mm, features a Bri...
Category

21st Century and Contemporary Mozambican California - Loose Gemstones

Materials

Ruby

Natural Blue Sapphire Gemstone 2.62 carats with GIA Report
Located in Los Angeles, CA
A natural blue sapphire, this heated 2.62 carat beauty comes with a deep night sky blue that is sensual yet sophisticated. Colored by the elements titanium and iron, here is a gemsto...
Category

21st Century and Contemporary Unknown California - Loose Gemstones

Materials

Blue Sapphire

GIA Certified Paraiba Tourmaline 1.52 Carat Natural
Located in Aliso Viejo, CA
It comes with the Original GIA Certificate Natural Paraiba Tourmaline Carat Weight: 1.52 Carats Measurements: 6.99 x 6.13 x 5.57 mm
Category

21st Century and Contemporary Contemporary California - Loose Gemstones

Materials

Tourmaline, Paraiba

Natural Unheated Red Ruby Pair Gemstones 2.04 carats with GIA Report
Located in Los Angeles, CA
Presenting a mesmerizing Natural Unheated Ruby Pair totaling 2.04 carats, complete with a GIA Report. These pear-shaped gems, measuring 9.34 x 4.27 x 2.98 mm and 9.29 x 4.07 x 3.41 m...
Category

21st Century and Contemporary Unknown California - Loose Gemstones

Materials

Ruby

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