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California - Loose Gemstones

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Item Ships From: California
GIA Certified Paraiba Tourmaline 1.52 Carat Natural
Located in Laguna Niguel, 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

GIA Certified Loose Round Brilliant Cut Diamond 2.41 ct
Located in Laguna Beach, CA
2.41 carat round brilliant cut diamond graded by GIA. The color grade is I, clarity is Si2. The cut grade is good and there is no fluorescence. The grading report number is 622795896...
Category

21st Century and Contemporary California - Loose Gemstones

Materials

Diamond

GIA Certified Oval Brilliant Loose Diamond 1.48ct
Located in Laguna Beach, CA
1.48-carat oval brilliant cut diamond. GIA graded H color, Vs1 clarity. Measures 7.89 x 6.31 x 4.51mm The grading report number is 1226958994. Comes with the original grading certifi...
Category

Mid-20th Century California - Loose Gemstones

Materials

Diamond

0.70 Carat Loose E / VS2 Round Brilliant Cut Diamond GIA Certified
Located in Sherman Oaks, CA
0.70 Carat Loose E / VS2 Round Brilliant Cut Diamond GIA Certified Diamond General Info GIA Report Number: 6187452729 Diamond Cut: Round Brilliant Measurements: 5.79 x 5.77 - 3....
Category

21st Century and Contemporary American Modern California - Loose Gemstones

Materials

Diamond

0.65 Carat Loose G / VS2 Round Brilliant Cut Diamond GIA Certified
Located in Sherman Oaks, CA
Diamond General Info GIA Report Number: 5182299001 Diamond Cut: Round Brilliant Measurements: 5.51 - 5.53 x 3.44 mm Diamond Grading Results Carat Weight: 0.65 Color Grade: G Clarit...
Category

21st Century and Contemporary American Modern California - Loose Gemstones

Materials

Diamond

1.10 Carat Loose E / VS2 Pear Shaped Cut Diamond GIA Certified
Located in Sherman Oaks, CA
Diamond General Info GIA Report Number: 2185397298 Diamond Cut: Pear Shaped Measurements: 8.77 x 5.76 - 3.68 mm Diamond Grading Results Carat Weight:1.10 Color Grade: E Clarity ...
Category

21st Century and Contemporary American Modern California - Loose Gemstones

Materials

Diamond

1.07 Carat Loose J / I1 Square Modified Brilliant Diamond GIA Certified
Located in Sherman Oaks, CA
Diamond General Info Diamond Cut: Princess Cut Measurements: 6.29 x 6.16 - 4.16 Diamond Grading Results Carat Weight: 1.07 Color Grade: J Clarity Grade: I1 Additional Grading I...
Category

21st Century and Contemporary American Modern California - Loose Gemstones

Materials

Diamond

0.75 Carat Loose D / VS2 Round Brilliant Cut Diamond GIA Certified
Located in Sherman Oaks, CA
Diamond General Info GIA Report Number: 2185305538 Diamond Cut: Round Brilliant Measurements: 5.71 - 5.78 x 3.70 mm Diamond Grading Results Carat Weight: 0.75 Color Grade: D Clarit...
Category

21st Century and Contemporary American Modern California - Loose Gemstones

Materials

Diamond

1.58 Carat Loose D / VS1 Round Brilliant Cut Diamond GIA Certified
Located in Sherman Oaks, CA
Diamond General Info GIA Report Number: 5181451253 Diamond Cut: Round Brilliant Measurements:7.44 - 7.49 x 4.66 mm Diamond Grading Results Carat Weight: 1.58 Color Grade: D Clarity...
Category

21st Century and Contemporary American Modern California - Loose Gemstones

Materials

Diamond

1.58 Carat Loose D / SI1 Marquise Brilliant Cut Diamond GIA Certified
Located in Sherman Oaks, CA
Diamond General Info GIA Report Number: 6187448186 Diamond Cut: Marquise Brilliant Measurements: 12.28 x 5.63 x 3.86 mm Diamond Grading Results Carat Weight: 1.58 Color Grade: D Cl...
Category

21st Century and Contemporary American Modern California - Loose Gemstones

Materials

Diamond

0.61 Carat Loose H/ Si1 Round Brilliant Cut Diamond Gia Certified
Located in Sherman Oaks, CA
0.61 Carat Loose H/ SI1 Round Brilliant Cut Diamond GIA Certified Diamond General Info GIA Report Number:2185299007 Diamond Cut:Round Brilliant Measurements: 5.37 x 5.27 - 3.40 ...
Category

21st Century and Contemporary American Modern California - Loose Gemstones

Materials

Diamond

Pink Green Tourmaline Earrings Set 3.40 Carats Round Loose Gemstones
By Merkaba
Located in Beverly Hills, CA
Perfectly mismatched set of Pink and Green Tourmalines unmounted round gemstones, weighing a total of 3.40 carats. Dimensions: Top pair 6mm. Bottom pai...
Category

21st Century and Contemporary Contemporary California - Loose Gemstones

Materials

Tourmaline

Bicolor Tourmaline Ring Gem 17.68 Carat Emerald Cut Loose Gemstone
By Merkaba
Located in Beverly Hills, CA
Exceptional 17.68 carat, "loupe clean", Bicolor Tourmaline emerald-cut gem, offered loose to a fine gemstone connoisseur. Returns are accepted and paid by us within 7 days of deliver...
Category

21st Century and Contemporary Mozambican Modern California - Loose Gemstones

Materials

Tourmaline, Other

1.53ct Round Brilliant Cut Diamond GIA Certified Loose Excellent Symmetry E SI2
Located in Rancho Santa Fe, CA
Beautiful 1.53ct round brilliant cut diamond that has been certified by GIA #168604401. See the GIA certificate in the image gallery. Design your own jewelry piece with this diamond...
Category

Early 2000s Unknown Modern California - Loose Gemstones

Materials

Diamond

Grossular Garnet 3.53 Carat Pear Shape Gem Loose Gemstone
By Merkaba
Located in Beverly Hills, CA
Magnificent 3.53 carat Grossular Garnet pear shape gem offered loose to someone special. Returns are accepted and paid by us within 7 days of delivery...
Category

21st Century and Contemporary Unknown Modern California - Loose Gemstones

Materials

Garnet, Other

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 gemstone lover. Dimensions: 9.3 x 8.3 mm. Returns are accepted and paid by us within 7 day...
Category

21st Century and Contemporary Congolese Contemporary California - 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 special. Dimensions: 10.8 x 10.8 x 6.9 mm. Return...
Category

21st Century and Contemporary Afghan Contemporary California - Loose Gemstones

Materials

Tourmaline

Tanzanite Ring Stone 56 Carat Cushion Loose Gemstone
By Merkaba
Located in Beverly Hills, CA
Exceptional and coveted 56.77 carat Tanzanite square cushion loose gemstone, offered unmounted to a fine gem connoisseur. Dimensions: 22.76 x 22.76 x 14.65 mm. This unique gemstone ...
Category

21st Century and Contemporary Tanzanian Contemporary California - Loose Gemstones

Materials

Tanzanite

Blue Green Tourmaline Ring Gem 5.05 Carat Cushion Unmounted Loose Gemstone
By Tamir
Located in Beverly Hills, CA
5.05 carat unisex Blue-Green Tourmaline cushion loose gemstone, offered unmounted to someone very special. Dimensions: 12.6 x 7.8 mm. Returns are accepted and paid by us within 7 days of delivery. We offer supreme custom jewelry work upon request. Please contact us for more details. For your convenience we carry an extensive world-class loose gemstone collection.
Category

21st Century and Contemporary Contemporary California - Loose Gemstones

Materials

Tourmaline

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. Dimensions: 12.5 x 9.2 x 7mm. Returns are accepted and paid by us within 7 days of deli...
Category

21st Century and Contemporary Tanzanian Contemporary California - 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 connoisseur. Dimensions: 14.40 x 12.20 x 7.50 mm Returns are accepted and paid by u...
Category

21st Century and Contemporary Nigerian Contemporary California - Loose Gemstones

Materials

Garnet, Mandarin Garnet

Tsavorite Ring Gem 2.04 Carat Pear Shape Loose Gemstone
By Merkaba
Located in Beverly Hills, CA
Superb 2.04 carat Tsavorite Garnet pear shape unmounted gem, offered loose to a fine gemstone collector. Dimensions: 11.50 x 6.10 x 4.10 mm Returns are ...
Category

21st Century and Contemporary Unknown Contemporary California - Loose Gemstones

Materials

Garnet, Tsavorite

1.51 Carat Cushion Shape White Sapphire GIA Certified Unheated
Located in San Francisco, CA
This Cushion shape 1.51-carat Natural Unheated Sri-Lankan White sapphire GIA certificate number:5202625543 has been hand-selected by our experts for...
Category

21st Century and Contemporary Sri Lankan California - Loose Gemstones

Materials

Sapphire

Alexandrite Oval, .86 Carat Loose Gemstone, GIA Certified
By Sarosi By Timeless Gems
Located in Los Angeles, CA
This .86 carat, GIA-certified oval alexandrite is the perfect shape for a 3-stone ring! It exhibits excellent color change, appearing a lovely bluish-green in fluorescent/day light a...
Category

21st Century and Contemporary Sri Lankan Artisan California - Loose Gemstones

Materials

Alexandrite, Chrysoberyl

Mint Green Tourmaline Ring Gem 5.46 Carat Oval Loose Gemstone
By Merkaba
Located in Beverly Hills, CA
Pastel Mint Green Tourmaline oval gem, weighing a total of 5.46 carats, offered loose to a world-class gemstone lover. Returns are accepted and paid by us within 7 days of delivery. ...
Category

21st Century and Contemporary Unknown Modern California - Loose Gemstones

Materials

Tourmaline

GIA Certified 9.92 Carats Extremely Rare Natural Euclase
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

GIA Certified 23.28 Carat Pear Cut Natural Rubellite Tourmaline
Located in Laguna Niguel, CA
It comes with the GIA Certificate Natural Rubellite Tourmaline Carat Weight: 23.28 Carat Color: Purple-Red Cut: Pear Measurements: 21.10 x 18.85 x 9.46 mm It can be used for a custom...
Category

21st Century and Contemporary Contemporary California - Loose Gemstones

Materials

Rubelite, Tourmaline

GIA Certified Paraiba Tourmaline 1.52 Carat Natural
Located in Laguna Niguel, 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

GIA Certified 0.34 Carats Brazilian Alexandrite
Located in Los Angeles, CA
Introducing a dazzling Natural Brazilian Alexandrite weighing 0.34 carats, accompanied by a GIA Report. This oval-shaped gem measures 5.82 x 3.39 x 1.99 mm and exhibits a captivating...
Category

21st Century and Contemporary Brazilian California - Loose Gemstones

Materials

Alexandrite

GIA Certified 23.28 Carat Pear Cut Natural Rubellite Tourmaline
Located in Laguna Niguel, CA
It comes with the GIA Certificate Natural Rubellite Tourmaline Carat Weight: 23.28 Carat Color: Purple-Red Cut: Pear Measurements: 21.10 x 18.85 x 9.46 mm It can be used for a custom...
Category

21st Century and Contemporary Contemporary California - Loose Gemstones

Materials

Rubelite, Tourmaline

GIA Certified 5.53 Carats Heated Orange Sapphire
Located in Los Angeles, CA
The gem’s vibrant golden yellow will bring an entire jewelry piece to life. Here is a orange sapphire that weighs 5.53 carats and will be the ray of sunshine she needs. Easily paired...
Category

21st Century and Contemporary Unknown California - Loose Gemstones

Materials

Sapphire

GIA Certified Paraiba Tourmaline 1.52 Carat Natural
Located in Laguna Niguel, 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

GIA Certified 15.25 Carats Unheated Yellow Sapphire
Located in Los Angeles, CA
This Natural Unheated Yellow Sapphire weighs 15.25 carats and has an octagonal shape with measurements of 16.19 x 11.81 x 8.11 mm. The gem features a Modified Brilliant cut, highligh...
Category

21st Century and Contemporary Unknown California - Loose Gemstones

Materials

Yellow Sapphire

GIA Certified 1.14 Carats Unheated Mozambique Ruby
Located in Los Angeles, CA
This Natural Mozambique Ruby is a stunning cushion-shaped gem weighing 1.14 carats, with measurements of 6.50 x 5.28 x 3.02 mm. Its vibrant red color and brilliant/step cuts enhance ...
Category

21st Century and Contemporary Mozambican California - Loose Gemstones

Materials

Ruby

GIA Certified 1.12 Сarats Unheated Mozambique Ruby
Located in Los Angeles, CA
This 1.12 carats Natural Unheated Mozambique Ruby boasts a captivating oval shape, measuring 8.42 x 5.29 x 2.77 mm. Its brilliant red color and precise brilliant/step cuts enhance it...
Category

21st Century and Contemporary Mozambican California - Loose Gemstones

Materials

Ruby

GRS Certified 2.12 Carats Unheated "Sunrise" color Padparadscha Sapphire
Located in Los Angeles, CA
At 2.12 carats here is a delicately colored Padparadscha Sapphire with the most feminine pink color that boasts a hint of orange. This gemstone is a romantic addition to any engageme...
Category

21st Century and Contemporary Malagasy California - Loose Gemstones

Materials

Sapphire, Padparadscha Sapphire

GIA 3.02 Carat Cushion Brilliant Cut Loose Diamond
Located in Beverly Hills, CA
One GIA 3.02 Carat Cushion Brilliant Cut Loose Diamond. Accompanied by GIA #5231221039 stating the diamond is I color, SI2 clarity. About this Item: Indulge in the timeless allure o...
Category

Late 20th Century California - Loose Gemstones

Materials

Diamond

Alexander Beverly Hills HRD Certified 5.42 Carat Round Cut L VS2 Diamond
By Alexander Beverly Hills
Located in BEVERLY HILLS, CA
Stunning loose emerald cut diamonds, HRD 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 Modern California - Loose Gemstones

Materials

Diamond, White Diamond

2.19 Carats Blue Green Sapphire Pair
Located in Los Angeles, CA
Introducing a striking Natural Blue-Green Sapphire weighing 2.19 carats. This round-shaped gem measures 5.97 x 5.93 x 4.15 mm and 6.02 x 6.01 x 4.29 mm respectively, showcasing a cap...
Category

21st Century and Contemporary Unknown California - Loose Gemstones

Materials

Green Sapphire

GIA Certified 0.68ct Round Brilliant Loose Diamond
Located in Laguna Beach, CA
Loose round brilliant diamond, .68 carats. GIA-graded H color, VS1 clarity, symmetry is good. The GIA grading report number is 2221722902...
Category

Late 20th Century California - Loose Gemstones

Materials

Diamond

GIA Certified 1.27 Carats Mozambique Ruby
Located in Los Angeles, CA
Presenting a captivating Natural Unheated Mozambique Ruby weighing 1.27 carats, certified by GIA. This cushion-shaped gem measures 6.37 x 5.47 x 3.99 mm and exhibits a vibrant red co...
Category

21st Century and Contemporary Mozambican California - Loose Gemstones

Materials

Ruby

GIA Certified 1.32 Carats Mozambique Ruby
Located in Los Angeles, CA
Indulge in the timeless elegance of a 1.32 carats Mozambique Ruby, meticulously certified by GIA. Its cushion shape and brilliant/step cut epitomize sophistication, accentuating its ...
Category

21st Century and Contemporary Mozambican California - Loose Gemstones

Materials

Ruby

1.88 Carats Green Blue Sapphire Pair
Located in Los Angeles, CA
Introducing a beautiful Natural Green-Blue Sapphire weighing 1.88 carats. This round-shaped gem measures 5.95 x 6.00 x 3.91 mm and 5.89 x 5.99 x 3.30 mm respectively. The sapphire ex...
Category

21st Century and Contemporary Unknown California - Loose Gemstones

Materials

Blue Sapphire

GIA Certified 1.12 Carats Brazilian Cat's Eye Alexandrite
Located in Los Angeles, CA
Introducing a remarkable Natural Brazilian Cat's Eye Alexandrite weighing 1.12 carats, with a GIA Report. This oval-shaped gem measures 6.42 x 5.22 x 3.19 mm and displays a captivati...
Category

21st Century and Contemporary Brazilian California - Loose Gemstones

Materials

Alexandrite

GIA Certified 0.48 Carats Brazilian Alexandrite
Located in Los Angeles, CA
Presenting a stunning Natural Brazilian Alexandrite weighing 0.48 carats, verified by a GIA Report. This triangular-shaped gem measures 4.53 x 4.84 x 3.28 mm and displays a mesmerizi...
Category

21st Century and Contemporary Brazilian California - Loose Gemstones

Materials

Alexandrite

GIA Certified 1.23 Carats Unheated Mozambique Ruby
Located in Los Angeles, CA
Discover the allure of a 1.23 carats Natural Unheated Mozambique Ruby, certified by GIA. Its oval shape, measuring 7.72 x 5.53 x 3.13 mm, is complemented by a brilliant/step cut, sho...
Category

21st Century and Contemporary Mozambican California - Loose Gemstones

Materials

Ruby

GRS Certified 0.46 Carat Orangy-Pink Padparadscha Sapphire, Unheated Sapphire
Located in Los Angeles, CA
Bringing you beautiful, natural and unheated padparadscha sapphire stone that is guaranteed by GRS Report. The report provides valuable inf...
Category

21st Century and Contemporary Unknown California - Loose Gemstones

Materials

Sapphire, Padparadscha Sapphire

GIA Certified 6.65 Carats Unheated Purple Star Sapphire
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

GIA Certified 6.41 Carats Imperial Topaz
Located in Los Angeles, CA
Discover a remarkable natural Imperial Topaz, weighing 6.41 carats. It features an octagonal shape, measuring about 9.23 x 9.15 x 7.44 mm, and is fashioned with a step-style cut. Rad...
Category

21st Century and Contemporary Unknown California - Loose Gemstones

Materials

Topaz, Imperial Topaz

GIA Certified 2.14 Carats Unheated Ruby
Located in Los Angeles, CA
Presenting a breathtaking Natural Unheated Ruby weighing 2.14 carats, certified by GIA. These pear-shaped gems, measuring 11.14 x 4.14 x 2.69 mm and 11.13 x 4.26 x 2.98 mm, boast a b...
Category

21st Century and Contemporary Unknown California - Loose Gemstones

Materials

Ruby

GIA Certified 2.04 Carats Unheated Ruby Pair
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

GIA Certified 0.63 Carats Benitoite
Located in Los Angeles, CA
Introducing a stunning Natural Benitoite weighing 0.63 carats, accompanied by a GIA Report. This exquisite gem features a cushion shape measuring 5.44 x 3.62 x 3.13 mm, with a step c...
Category

21st Century and Contemporary Unknown California - Loose Gemstones

Materials

Other

GIA Certified 0.52 Сarats Benitoite
Located in Los Angeles, CA
Discover the allure of a 0.52 carats Natural Benitoite, elegantly shaped in a round Brilliant/Step cut with 4.75 x 4.79 x 3.26 mm measuments. Authenticated by a GIA Report, this gem ...
Category

21st Century and Contemporary Unknown California - Loose Gemstones

Materials

Other

GIA Certified Paraiba Tourmaline 1.52 Carat Natural
Located in Laguna Niguel, 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

GIA Certified 23.28 Carat Pear Cut Natural Rubellite Tourmaline
Located in Laguna Niguel, CA
It comes with the GIA Certificate Natural Rubellite Tourmaline Carat Weight: 23.28 Carat Color: Purple-Red Cut: Pear Measurements: 21.10 x 18.85 x 9.46 mm It can be used for a custom...
Category

21st Century and Contemporary Contemporary California - Loose Gemstones

Materials

Rubelite, Tourmaline

4.17 Сarats Blue Sapphire Pair with GIA Report
Located in Los Angeles, CA
Introducing a dazzling Natural Blue Sapphire Pair totaling 4.17 carats. These pear-shaped gems, measuring 7.73 x 8.49 x 4.20 mm and 7.63 x 8.28 x 3.94 mm respectively, exhibit a bril...
Category

21st Century and Contemporary Unknown California - Loose Gemstones

Materials

Blue Sapphire

GIA Certified 1.09 Carats Unheated Mozambique Ruby
Located in Los Angeles, CA
Introducing a natural Mozambique Ruby weighing 1.09 carats, accompanied by a GIA Report for authenticity. The oval-shaped gem, measuring 7.28 x 4.55 x 3.29 mm, features a Brilliant/S...
Category

21st Century and Contemporary Mozambican California - Loose Gemstones

Materials

Ruby

GIA 4.52 Carat Cushion Modified Brilliant Cut Loose Diamond
Located in Beverly Hills, CA
One GIA 4.52 Carat Cushion Modified Brilliant Cut Loose Diamond. Accompanied by GIA #2239209305 stating the diamond is F color, VS2 clarity. About this Item: Behold the epitome of...
Category

20th Century California - Loose Gemstones

Materials

Diamond, White Diamond

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