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Gia Gemstones

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GIA Certified Emerald Cut Diamond 1.60ct F/VS1 Loose GIA XX Inscription
By GIA
Located in Rancho Santa Fe, CA
Gorgeous loose 1.60ct emerald cut diamond that is certified by GIA with a laser inscription no
Category

2010s American Modern Loose Gemstones

Materials

Diamond

36.96 Carat Pink Tourmaline Cushion, Loose Gemstone, GIA Certified
By Sarosi By Timeless Gems
Located in Los Angeles, CA
21.85 x 20.20 x 12.50 millimeters, this large gemstone is a beautiful example of the wonder of nature
Category

21st Century and Contemporary Unknown Artisan Loose Gemstones

Materials

Tourmaline

GIA Certified 1.06 Carat Natural Alexandrite, Alexandrite Loose Gemstone
Located in Los Angeles, CA
Treat yourself to a perfect gift for this holiday season. Get a GIA certified Alexandrite gemstone
Category

21st Century and Contemporary Unknown Loose Gemstones

Materials

Alexandrite

GIA Certified 1.00 Carat Natural Alexandrite, Loose Precious Gemstone
Located in Los Angeles, CA
Treat yourself to a perfect gift for this holiday season. Get a GIA certified Alexandrite gemstone
Category

21st Century and Contemporary Unknown Loose Gemstones

Materials

Alexandrite

Chrysoberyl Ring Gem 9.42 Carat GIA Certified Loose Gemstone
By Merkaba
Located in Beverly Hills, CA
offered loose to a classy lady or gentleman. The GIA certificate is attached to the images for your
Category

21st Century and Contemporary Malagasy Contemporary Loose Gemstones

Materials

Chrysoberyl

Alexandrite Chrysoberyl .78 Carat Loose Gemstone, GIA Certified - RTP
By Sarosi By Timeless Gems
Located in Los Angeles, CA
certifying that it is a natural gemstone from Sri Lanka, one of the premier sources of world-class gemstones
Category

21st Century and Contemporary Sri Lankan Artisan Loose Gemstones

Materials

Alexandrite, Chrysoberyl

76.22 Carat Pear Shaped Aquamarine, Loose Gemstone, GIA Certified
By Sarosi By Timeless Gems
Located in Los Angeles, CA
collector quality gemstones in our inventory. Please inquire for details.
Category

21st Century and Contemporary Brazilian Artisan Loose Gemstones

Materials

Aquamarine

GIA Certified 1.99 Carat Natural Blue Sapphire, Sapphire Gemstone
Located in Los Angeles, CA
cut. It's a certified masterpiece, endorsed by GIA, ensuring its exceptional quality and authenticity
Category

21st Century and Contemporary Loose Gemstones

Materials

Blue Sapphire

GIA and Bellerophon Certified 4.23ct Blue Sapphire Natural Gemstone
Located in Bangkok, TH
and sophistication. Certified by both GIA and Bellerophon, its authenticity and prestige are
Category

2010s Sri Lankan Loose Gemstones

Materials

Blue Sapphire

1.76 Carat Brazilian Emerald, Unset Loose Gemstone, GIA Certified
By Sarosi By Timeless Gems
Located in Los Angeles, CA
This beautiful 1.76 carat emerald is a gorgeous, vivid green color with exceptional clarity! Highly saturated with even coloring and lovely secondary hints of blue, this superior eme...
Category

21st Century and Contemporary Brazilian Artisan Loose Gemstones

Materials

Emerald

10.37 Carat Paraiba Tourmaline Cushion, Loose Gemstone, GIA Certified
By Sarosi By Timeless Gems
Located in Los Angeles, CA
This spectacular green paraiba tourmaline is exceptionally clean, with excellent brilliance and luster! It is a beautifully-proportioned oval with highly saturated medium green color...
Category

21st Century and Contemporary Mozambican Artisan Loose Gemstones

Materials

Tourmaline, Paraiba

.37 Carat Brazilian Paraiba Tourmaline, Loose Gemstone, GIA Certified
Located in Los Angeles, CA
This rare Brazilian tourmaline is a beautiful peacock greenish blue color, clearly recognizable as Paraiba! It is a faceted oval shape measuring 5.92 x 3.61 x 2.51 millimeters, with ...
Category

21st Century and Contemporary Brazilian Artisan Loose Gemstones

Materials

Tourmaline, Paraiba

3.70 Carat Colombian Emerald, Unset Loose Gemstone, GIA Certified
By Sarosi By Timeless Gems
Located in Los Angeles, CA
This spectacular 3.70 carat Colombian emerald has gorgeous color and remarkable clarity! It is vibrant green and highly saturated with a just a hint of beautiful blue! Measuring 9.67...
Category

21st Century and Contemporary Colombian Artisan Loose Gemstones

Materials

Emerald

1.37 Carat Emerald Oval, Unset Loose Gemstone, GIA Certified
By Sarosi By Timeless Gems
Located in Los Angeles, CA
This vibrant, bright green emerald is an exceptional gem with gorgeous color and clarity! It is a 1.37 carat oval and extremely brilliant, with a subtle hint of beautiful blue! It me...
Category

21st Century and Contemporary Artisan Loose Gemstones

Materials

Emerald

Alexandrite Chrysoberyl 1.16 Carat Loose Gemstone, GIA Certified - RTP
By Sarosi By Timeless Gems
Located in Los Angeles, CA
Gorgeous 1.16 carat cushion-shaped alexandrite chrysoberyl with beautiful blue-green body color in fluorescent/daylight that changes to 100% purple in incandescent light. This chryso...
Category

21st Century and Contemporary Sri Lankan Artisan Loose Gemstones

Materials

Alexandrite, Chrysoberyl

GIA Certified 67.75 Carat Natural Quartz Citrine Oval Loose Gemstone
Located in Trumbull, CT
This GIA certified 67.75 Carat Natural Quartz Citrine Oval loose gemstone has modified brilliant
Category

21st Century and Contemporary South American Artisan Loose Gemstones

Materials

Citrine, Quartz

GIA Certified 0.30 Carat Natural Brazilian Color Change Alexandrite Gemstone
Located in Los Angeles, CA
Treat yourself to a perfect gift for this holiday season. Get a GIA certified Alexandrite gemstone
Category

21st Century and Contemporary Brazilian Loose Gemstones

Materials

Alexandrite

GIA Certified 1.84ct Natural Mozambique Paraiba Tourmaline, Gemstone For Jewelry
Located in Los Angeles, CA
breathtaking and elegant. Natural Mozambique Tourmaline 1.84 carats with GIA Report is one of them. Captivating
Category

21st Century and Contemporary Mozambican Loose Gemstones

Materials

Tourmaline, Paraiba

0.79 Carat Natural Mozambique Green Paraiba Tourmaline, GIA Certified Gemstone
Located in Los Angeles, CA
Have a look at this beautiful natural Mozambique Paraiba tourmaline gemstone with GIA report. This
Category

21st Century and Contemporary Mozambican Loose Gemstones

Materials

Tourmaline, Paraiba

GIA Certified 0.48 Carat Round Natural Brazilian Paraiba Tourmaline Gemstone
Located in Los Angeles, CA
and absolutely beautiful! With its wealth of color and amazing properties, this tourmaline gemstone
Category

21st Century and Contemporary Brazilian Loose Gemstones

Materials

Tourmaline, Paraiba

GIA Certified 2.62 Carat Mozambique Paraiba Tourmaline, Yellowish Green Gemstone
Located in Los Angeles, CA
and absolutely beautiful! With its wealth of color and amazing properties, this tourmaline gemstone
Category

21st Century and Contemporary Mozambican Loose Gemstones

Materials

Tourmaline, Paraiba

Vanadium Chrysoberyl Ring Gem 5.08 Carat GIA Certified Loose Gemstone
By Merkaba
Located in Beverly Hills, CA
GIA certificate is attached to the images for your reference. Returns are accepted and paid by us
Category

21st Century and Contemporary Malagasy Modern Loose Gemstones

Materials

Chrysoberyl, Other

GIA Certified 2.00 ct Natural Mozambique Paraiba Tourmaline, Tourmaline Gemstone
Located in Los Angeles, CA
and absolutely beautiful! With its wealth of color and amazing properties, this tourmaline gemstone
Category

21st Century and Contemporary Mozambican Loose Gemstones

Materials

Tourmaline, Paraiba

GIA Certified 25.04 Carat Natural Chrysoberyl Cat's Eye Loose Gemstone
Located in Stamford, CT
25.04ct GIA certified Chrysoberyl Cat's Eye. Well polished, with a strong eye. It's no common for a
Category

21st Century and Contemporary Loose Gemstones

Materials

Chrysoberyl

6.66 Carat Cat’s Eye Chrysoberyl, Unset Loose Gemstone, GIA Certified
By Sarosi By Timeless Gems
Located in Los Angeles, CA
excellent luster. A purrr-fectly wonderful gemstone! Custom designs available. Please send us a message to
Category

21st Century and Contemporary Loose Gemstones

Materials

Chrysoberyl, Cat’s Eye

1.32 Carat Loose Natural Emerald Gemstone GIA Emerald Cut Solitaire
Located in McLeansville, NC
(Emerald Cut) Color: Green GIA: 6234017370
Category

21st Century and Contemporary South American Loose Gemstones

Materials

Emerald

33.95 Carat Imperial Topaz Cushion, Unset Loose Gemstone, GIA Certified
By Sarosi By Timeless Gems
Located in Los Angeles, CA
large selection of unmounted collector gemstones in our inventory. Please inquire for details.
Category

21st Century and Contemporary Artisan Loose Gemstones

Materials

Topaz, Imperial Topaz

2.00 Carat Heart Shaped Ruby, Unset Loose Gemstone, GIA Certified
By Sarosi By Timeless Gems
Located in Los Angeles, CA
lovely gemstone is a timeless symbol of love! Custom designs available. Please send us a message to
Category

21st Century and Contemporary Thai Artisan Loose Gemstones

Materials

Ruby

2.39 Carat Unheated Madagascar Blue Sapphire, Loose Gemstone, GIA Certified
By Sarosi By Timeless Gems
Located in Los Angeles, CA
sapphire, as most must be heated in order to achieve this level of rich, pure blue color. This gemstone
Category

21st Century and Contemporary Malagasy Artisan Loose Gemstones

Materials

Sapphire, Blue Sapphire

GIA Certified 0.87 Carat Natural Mozambique Paraiba Tourmaline, Natural Gemstone
Located in Los Angeles, CA
and absolutely beautiful! With its wealth of color and amazing properties, this tourmaline gemstone
Category

21st Century and Contemporary Mozambican Loose Gemstones

Materials

Tourmaline, Paraiba

Unheated 7.84 Carat Red Spinel Round, Loose Gemstone, GIA Certified
Located in Los Angeles, CA
gemstone just waiting to be made into a timeless piece of heirloom jewelry! Custom designs available
Category

2010s Unknown Loose Gemstones

Materials

Spinel

Cat’s Eye Alexandrite Chrysoberyl, 5.24 Carat Loose Gemstone, GIA Certified
By Sarosi By Timeless Gems
Located in Los Angeles, CA
alexandrite chrysoberyl. Measuring 11.08 x 8.04 x 6.45 millimeters, this is a stunning collector gemstone that
Category

21st Century and Contemporary Unknown Artisan Loose Gemstones

Materials

Alexandrite, Chrysoberyl, Cat’s Eye

Unheated 10.78 Carat Ceylon Yellow Sapphire, Loose Gemstone, GIA Certified
By Sarosi By Timeless Gems
Located in Los Angeles, CA
This rare, unheated yellow sapphire is the color of sunshine! Sapphires are routinely heated to improve their color, so to find a gem of this size and beautiful natural yellow hue is...
Category

21st Century and Contemporary Sri Lankan Artisan Loose Gemstones

Materials

Sapphire, Yellow Sapphire

Unheated .75 Carat Padparadscha Sapphire, Unset Loose Gemstone, GIA Certified
By Sarosi By Timeless Gems
Located in Los Angeles, CA
This unheated petite padparadscha packs a punch with its intense color, and is a brilliant way to celebrate Pantone's 2024 Color of The Year, fuzzy peach! Padparadscha sapphires are ...
Category

21st Century and Contemporary Artisan Loose Gemstones

Materials

Sapphire, Padparadscha Sapphire

Unheated 8.63 Carat Blue Green Sapphire, Loose Gemstone, GIA Certified
By Sarosi By Timeless Gems
Located in Los Angeles, CA
This 8.63 carat unheated sapphire has a beautiful, rich bluish-green color and is exceptionally well-cut. Most sapphires are heated to deepen their color, so a sapphire with a natura...
Category

21st Century and Contemporary Artisan Loose Gemstones

Materials

Sapphire, Green Sapphire

15.90 Carat Orange Imperial Topaz, Unset Loose Gemstone, GIA Certified\
By Sarosi By Timeless Gems
Located in Los Angeles, CA
This peachy orange imperial topaz has spectacular color and a wonderfully elegant shape. It weighs 15.90 carats and is extremely clean, with exceptional brilliance and life! Beautif...
Category

21st Century and Contemporary Artisan Loose Gemstones

Materials

Topaz, Imperial Topaz

Unheated 5.02 Carat Blue Spinel, Loose Gemstone, GIA Certified ..... A
By Sarosi By Timeless Gems
Located in Los Angeles, CA
This unheated blue spinel has exceptional brilliance and luster! Accompanied by Gemological Institute of America Report #6204170110, this gem weighs 5.02 carats and measures 10.44 x ...
Category

21st Century and Contemporary Artisan Loose Gemstones

Materials

Spinel

2.11 Carat Pink Sapphire Oval, Unset Loose Gemstone, GIA Certified
Located in Los Angeles, CA
This sapphire is an eye catching, vibrant purplish pink color measuring 9.09 x 6.70 x 3.39 millimeters and weighing 2.11 carats. This oval gem would make a lovely 3-stone or engageme...
Category

21st Century and Contemporary Unknown Artisan Loose Gemstones

Materials

Sapphire, Pink Sapphire

NO RESERVE GIA Certified 5.61ct Round NATURAL Ink BLUE SAPPPHIRE Gemstone
By Hannaboya
Located in Sheridan, WY
discerning connoisseurs. Product Details: Gemstone Type: GIA Certified Natural Inky Blue Sapphire Weight
Category

2010s African Artisan Loose Gemstones

Materials

Blue Sapphire

GIA Certified No Heat Oval Natural Ruby Weighing 1.18 Carats Gemstone
By OGI Ltd
Located in New York, NY
gemstone. Rest assured that you're investing in a genuine and valuable piece. GIA REPORT 2235084146 3
Category

20th Century American Contemporary Loose Gemstones

Materials

Ruby

79.78 Carat Golden Olive Tourmaline Oval, Loose Gemstone, GIA Certified ...A
By Sarosi By Timeless Gems
Located in Los Angeles, CA
show off its exciting blend of warm colors! Accompanied by GIA Report #2151151303, this is a large
Category

21st Century and Contemporary Artisan Loose Gemstones

Materials

Tourmaline

GIA Certified 0.53 Carat Natural Paraiba Tourmaline Loose Gemstone Oval Shape
Located in Los Angeles, CA
breathtaking and elegant. Natural Mozambique Tourmaline 0.53 carats with GIA Report is one of them. Captivating
Category

21st Century and Contemporary Mozambican Loose Gemstones

Materials

Tourmaline, Paraiba

GIA Certified 1.07 Carats Natural Burma Ruby, Ruby Gemstone, July Birthstone
Located in Los Angeles, CA
Experience the stunning beauty of 1.07 carats Natural Burma Ruby from Myanmar, confirmed by a GIA
Category

21st Century and Contemporary Burmese Modern Loose Gemstones

Materials

Ruby

GIA Certified 1.79 ct Natural Mozambique Paraiba Tourmaline, Oval Shape Gemstone
Located in Los Angeles, CA
Have a look at this beautiful natural Mozambique Paraiba tourmaline gemstone with GIA report. This
Category

21st Century and Contemporary Mozambican Loose Gemstones

Materials

Tourmaline, Paraiba

GIA Certified 3.64 Carat Natural "Paraiba like" Tourmaline, Round Shape Gemstone
Located in Los Angeles, CA
Have a look at this beautiful natural tourmaline gemstone with GIA report. This captivating stone
Category

21st Century and Contemporary Unknown Loose Gemstones

Materials

Tourmaline

GIA Certified 0.87 Ct Paraiba Tourmaline Oval Shape, Tourmaline Gemstone Loose
Located in Los Angeles, CA
breathtaking and elegant. Natural Mozambique Tourmaline 0.87 carats with GIA Report is one of them. Captivating
Category

21st Century and Contemporary Mozambican Loose Gemstones

Materials

Tourmaline, Paraiba

.94 Carat Rare Green Demantoid Garnet, Loose Gemstone, GIA Certified ....A
By Sarosi By Timeless Gems
Located in Los Angeles, CA
Demantoid garnets are among the rarest gemstones in the world. This vivid, bright green round
Category

21st Century and Contemporary Artisan Loose Gemstones

Materials

Garnet

GIA Certified 28.37 Carat Imperial Precious Topaz Emerald Cut Loose Gemstone
Located in Stamford, CT
28.37ct Imperial precious Topaz. This GIA certified natural gemstone is unique in its color, orange
Category

21st Century and Contemporary Loose Gemstones

Materials

Topaz

.19 Carat Brazilian Paraiba Tourmaline Oval, Loose Gemstone, GIA Certified ..A
By Sarosi By Timeless Gems
Located in Los Angeles, CA
This neon blue-green Paraiba tourmaline gemstone weighs 0.19 carat and would make a beautiful ring
Category

21st Century and Contemporary Brazilian Artisan Loose Gemstones

Materials

Tourmaline, Paraiba

Blue Sapphire 3.07 Ct Oval Natural Heated GIA Certified, Loose Gemstone
Located in South Melbourne, AU
sapphire has been GIA certificated and will be perfect choice for a bespoke jewellery piece or heirloom
Category

21st Century and Contemporary Sri Lankan Modern Loose Gemstones

Materials

Sapphire

Unheated 3.50 Carat Color Change Sapphire, Unset Loose Gemstone, GIA Certified
By Sarosi By Timeless Gems
Located in Los Angeles, CA
It is very rare to find a fine sapphire that is an unheated natural color, and even more exciting to find one that changes color in different light! This 3.50 carat unheated color ch...
Category

21st Century and Contemporary Malagasy Artisan Loose Gemstones

Materials

Sapphire, Purple Sapphire

4.18 Carat Unheated Natural Blue Sapphire Pear, Loose Gemstone, GIA Certified
By Sarosi By Timeless Gems
Located in Los Angeles, CA
This 4.18 carat, unheated blue sapphire will make an absolutely breathtaking pendant or ring! The vast majority of sapphires available have been heated to bring out their prettiest c...
Category

21st Century and Contemporary Artisan Loose Gemstones

Materials

Sapphire, Blue Sapphire

Unheated 2.14 Carat Purple Sapphire Octagon, Loose Gemstone, GIA Certified ...A
By Sarosi By Timeless Gems
Located in Los Angeles, CA
A sapphire with such exquisite color as this should be named the "Orchid Princess!" It is a princess-cut gem measuring 7.22 x 6.00 x 4.92 millimeters and is accompanied by Gemologica...
Category

21st Century and Contemporary American Artisan Loose Gemstones

Materials

Sapphire, Purple Sapphire

5.03 Carat Tsavorite Garnet Oval, Unset Loose Gemstone, GIA Certified ....A
By Sarosi By Timeless Gems
Located in Los Angeles, CA
This beautifully intense, bright green tsavorite garnet weighs 5.03 carats and measures 12.10 x 10.04 x 5.42 millimeters, making it the perfect size for an impressive ring or pendant...
Category

21st Century and Contemporary Artisan Loose Gemstones

Materials

Garnet, Tsavorite

Unheated 3.11 Carat Purple Pink Sapphire, Unset Loose Gemstone, GIA Certified
By Sarosi By Timeless Gems
Located in Los Angeles, CA
While sapphires are routinely heated to improve their color, this 3.11 carat unheated, lively pink sapphire possesses a vivid, bright pink hue all on its own! This natural color sapp...
Category

21st Century and Contemporary Artisan Loose Gemstones

Materials

Sapphire, Pink Sapphire

Unheated 1.39 Carat Burmese Pink Sapphire, Unset Loose Gemstone, GIA Certified
By Sarosi By Timeless Gems
Located in Los Angeles, CA
This 1.39 carat vivid pink sapphire is magnificent! It is an unheated, perfectly symmetrical oval from Myanmar (formerly Burma), the historic source of some of the world’s finest sap...
Category

21st Century and Contemporary Burmese Artisan Loose Gemstones

Materials

Sapphire, Pink Sapphire

Unheated 17.13 Carat Ceylon Violet Blue Sapphire, Loose Gemstone, GIA CertifiedA
By Sarosi By Timeless Gems
Located in Los Angeles, CA
This natural color, Ceylon violetish-blue sapphire is full of life! Unheated sapphires this large and with such even color and superior clarity are extremely rare. Weighing 17.13 car...
Category

21st Century and Contemporary Sri Lankan Artisan Loose Gemstones

Materials

Sapphire, Blue Sapphire

Unheated 7.16 Carat Yellow Sapphire Oval, Unset Loose Gemstone, GIA Certified
By Sarosi By Timeless Gems
Located in Los Angeles, CA
This 7.16 carat unheated yellow sapphire oval is the color of refreshing lemonade! Most yellow sapphires have been heated to improve their color, which is a well-known, accepted prac...
Category

21st Century and Contemporary Unknown Artisan Loose Gemstones

Materials

Sapphire, Yellow Sapphire

Unheated 10.21 Carat Pink Purple Spinel, Loose Gemstone, GIA Certified ...A
By Sarosi By Timeless Gems
Located in Los Angeles, CA
This 10.21 carat unheated, rosy purple spinel is a rare find! It is a highly saturated, perfect blend of lavender and pink with excellent clarity and luster. Spinel crystals are ofte...
Category

21st Century and Contemporary Artisan Loose Gemstones

Materials

Spinel

2.19 Carat Cornflower Blue Sapphire Oval, Unset Loose Gemstone, GIA Certified
By Sarosi By Timeless Gems
Located in Los Angeles, CA
This deep "cornflower" blue sapphire is brilliant and lively, exhibiting a classic shade of this gem from Sri Lanka, one of the world's premier sources of fine blue sapphires. This p...
Category

21st Century and Contemporary Sri Lankan Artisan Loose Gemstones

Materials

Sapphire, Blue Sapphire

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Gia Gemstones For Sale on 1stDibs

Browse a vast assortment of gia gemstones for sale on 1stDibs. These distinct designs — crafted with great care and often made from Gold, 18k Gold and Platinum — can elevate any look. Find a collection of 1 vintage versions or 80 modern creations for a more contemporary example of these cherished accessories. Our collection, which features older pieces for sale from the 20th Century and newer versions made as recently as the 21st Century, has proven very popular over the years. Pieces in our collection of gia gemstones made by Artisan jewelers — as well as those associated with Modern — are very popular. Sarosi By Timeless Gems, Tamir and Merkaba each produced beautiful examples of these items that are worth considering. Many pieces in our collection are stylish for most occasions, but Diamond versions, from our inventory of 34, can add a particularly distinctive touch to your look, day or night. Today, if you’re looking for cushion cut gia gemstones and are unable to find the perfect match, our selection also includes oval cut and pear cut alternatives. Most of our gia gemstones for sale are for women, but there are 46 pieces available to browse for men.

How Much are Gia Gemstones?

Prices for gia gemstones start at $844 and top out at $913,000 with these rings, on average, selling for $26,095.