Gia Gemstones
to
3,208
7,936
172
9,098
2,363
916
215
61
57
52
45
20
18
17
14
9
9
8
6
6
5
4
3
3
3
3
2
2
2
2
2
1
88
57
56
50
44
Sort By
Garnet Rhodolite Losse 8.15Ct natural gemstone, Cushion cut, Tanzania, GIA
By GRALJEWELRY
Located in Daugavpils, LV
Natural Garnet Pyrope-Almandine Loose gemstone
Laboratory certified GIA
Gemstone Color: purplish
Category
2010s Tanzanian Loose Gemstones
Materials
Garnet, Rhodolite
W 0.4 in D 0.31 in L 0.45 in
Spinel 6.05Ct Purplish Pink natural gemstone, Cushion, Tanzania, GIA Certified
By GRALJEWELRY
Located in Daugavpils, LV
Natural Spinel Loose gemstone 6. 05 Ct. From Tanzania.
Laboratory certified GIA
Gemstone Color
Category
2010s Tanzanian Loose Gemstones
Materials
Spinel
W 0.37 in D 0.31 in L 0.39 in
Natural Lagoon Tourmaline Loose Gemstone 7.55 ct. Cushion cut, certificate GIA
By GRALJEWELRY
Located in Daugavpils, LV
Natural Lagoon Tourmaline Loose Gemstone
Certificate GIA
Gemstone Color: Bluish-green
Gemstone
Category
2010s Nigerian Loose Gemstones
Materials
Tourmaline
W 0.43 in D 0.3 in L 0.49 in
Loose Sapphire - Square Cushion 1.55ct GIA Blue Solitaire
Located in Greensboro, NC
physical GIA gemstone report.
Condition: New
Category
21st Century and Contemporary Loose Gemstones
Materials
Sapphire
GIA Certified Emerald Cut Natural Diamond 1.60ct F/VS1 Loose GIA XX Inscription
By GIA
Located in Rancho Santa Fe, CA
Exquisite loose 1.60ct emerald-cut diamond certified by GIA with laser inscription number
Category
2010s American Modern Loose Gemstones
Materials
Diamond
W 0.23 in D 0.16 in L 0.3 in
GIA Certified 6.21 ct Natural Blue Sapphire - Origin Report
Located in Tampa, FL
B 6/5, size 10.44 x 8.64 x 7.69 mm. GIA gemstone color grade B 6/5.
This museum-grade 6.21 ct
Category
2010s Sri Lankan Contemporary Loose Gemstones
Materials
Sapphire, Blue Sapphire
GIA Certified 5.30 ct Cornflower Blue Ceylon Sapphire - Origin report
Located in Tampa, FL
6.91 mm. GIA gemstone color grade B 5/4.
5.30 ct Natural sapphire. This cushion-cut Ceylon sapphire
Category
2010s Sri Lankan Modern Loose Gemstones
Materials
Sapphire, Blue Sapphire
5.40 Carat Radiant Cut G-VS2 Diamond Platinum Eternity Band Ring
Located in New York, NY
Condition:
Vintage And Estate
Product ID:
3J236
Note:
Please note that all the non-GIA Gemstones' Weight
Category
20th Century Loose Gemstones
Materials
Diamond
3.20 Carat Round Brilliant E VS1 Diamond Platinum Eternity Band Ring
Located in New York, NY
:
Please note that all the non-GIA Gemstones' Weight, Color, Cut, and Clarity are estimated values to the
Category
20th Century Loose Gemstones
Materials
Diamond
Radiant 6.99ct Apatite Gemstone - GIA Certified
Located in רמת גן, IL
Radiant 6.99ct Apatite Gemstone - GIA Certified
This vibrant 6.99-carat oval apatite displays a
Category
2010s Israeli Loose Gemstones
Materials
Apatite
Captivating 6.19ct Ruby Gemstone - GIA Certified
Located in רמת גן, IL
Captivating 6.19ct Ruby Gemstone - GIA Certified
Discover the captivating allure of this stunning
Category
2010s Israeli Loose Gemstones
Materials
Ruby
Stunning 5.38ct Tourmaline Gemstone - GIA Certified
Located in רמת גן, IL
Stunning 5.38ct Tourmaline Gemstone - GIA Certified
This stunning 5.38-carat Tourmaline features a
Category
2010s Israeli Loose Gemstones
Materials
Tourmaline
Stunning 0.88ct Sapphire Gemstone - GIA Certified
Located in רמת גן, IL
Stunning 0.88ct Sapphire Gemstone - GIA Certified
This elegant 0.88-carat pink sapphire, cut in a
Category
2010s Israeli Loose Gemstones
Materials
Sapphire
Stunning 5.76ct Chrysoberyl Gemstone - GIA Certified
Located in רמת גן, IL
Stunning 5.76ct Chrysoberyl Gemstone - GIA Certified
This stunning 5.76-carat yellowish-green
Category
2010s Israeli Loose Gemstones
Materials
Chrysoberyl
Stunning 2.55ct Spinel Gemstone - GIA Certified
Located in רמת גן, IL
Stunning 2.55ct Spinel Gemstone - GIA Certified
This captivating 2.55-carat heart-shaped red
Category
2010s Israeli Loose Gemstones
Materials
Spinel
Timeless 6.16ct Chrysoberyl Gemstone - GIA Certified
Located in רמת גן, IL
Timeless 6.16ct Chrysoberyl Gemstone - GIA Certified
This 6.16-carat cushion-shaped Chrysoberyl
Category
2010s Israeli Loose Gemstones
Materials
Chrysoberyl
Radiant 3.23ct Sapphire Gemstone - GIA Certified
Located in רמת גן, IL
unique and eye-catching gemstone. Its bright color and elegant oval shape ensure it stands out as the
Category
2010s Israeli Loose Gemstones
Materials
Sapphire
Beautiful 6.54ct Iolite Gemstone - GIA Certified
Located in רמת גן, IL
unique and eye-catching gemstone. Its triangular shape enhances the depth of color and brilliance, making
Category
2010s Israeli Loose Gemstones
Materials
Iolite
Magnificent 1.34ct Emerald Gemstone - GIA Certified
Located in רמת גן, IL
Magnificent 1.34ct Emerald Gemstone - GIA Certified
Presenting a stunning 1.34-carat round emerald
Category
2010s Israeli Loose Gemstones
Materials
Emerald
Magnificent 6.97ct Alexandrite Gemstone - GIA Certified
Located in רמת גן, IL
This stunning 6.97-carat Alexandrite is a gemstone of rare beauty, showcasing an extraordinary
Category
2010s Israeli Loose Gemstones
Materials
Alexandrite
Radiant 2.22ct Alexandrite Gemstone - GIA Certified
Located in רמת גן, IL
Radiant 2.22ct Alexandrite Gemstone - GIA Certified
Introducing a stunning 2.22-carat oval
Category
2010s Israeli Loose Gemstones
Materials
Alexandrite
Captivating 2.78ct Sapphire Gemstone - GIA Certified
Located in רמת גן, IL
hue. The oval shape enhances its natural brilliance, making this gemstone a mesmerizing choice for any
Category
2010s Israeli Loose Gemstones
Materials
Sapphire
Stunning 3.63ct Sapphire Gemstone - GIA Certified
Located in רמת גן, IL
, offering a perfect blend of fiery orange and golden yellow tones. The gemstone is expertly cut in a classic
Category
2010s Israeli Loose Gemstones
Materials
Sapphire
Stunning 7.10ct Alexandrite Gemstone - GIA Certified
Located in רמת גן, IL
gemstone’s unique color play and impressive carat weight make it a true collector's treasure, perfect for a
Category
2010s Israeli Loose Gemstones
Materials
Alexandrite
Captivating 3.88ct Star Sapphire Gemstone - GIA Certified
Located in רמת גן, IL
Captivating 3.88ct Star Sapphire Gemstone - GIA Certified
This breathtaking 3.88-carat Star
Category
2010s Israeli Loose Gemstones
Materials
Star Sapphire
Natural Alexandrite Gemstone 1.25 carats with GIA Report
Located in Los Angeles, CA
Discover the rare magic of natural alexandrite with this 1.25-carat gemstone, certified by GIA
Category
21st Century and Contemporary Unknown Loose Gemstones
Materials
Alexandrite
Natural Alexandrite Gemstone 1.08 carats with GIA Report
Located in Los Angeles, CA
Discover the captivating charm of this 1.08-carat natural alexandrite, a rare gemstone celebrated
Category
21st Century and Contemporary Unknown Loose Gemstones
Materials
Alexandrite
GIA 5.60 Carat Certified Natural Sapphire Loose Gemstone
Located in Great Neck Plaza, NY
5.60 Carat GIA Certified Natural Sapphire - Oval Shape, Blue
This exquisite 5.60-carat natural
Category
2010s American Modern Loose Gemstones
Materials
Sapphire, 14k Gold, White Gold
Hand Carved Ruby Intaglio of a Cupid Riding a Dolphin Castellani Collection
By Castellani Jewellers
Located in New York, NY
contemporary.
Measurements: 10.51x6.90x4.74mm
This intaglio is accompanied by a GIA Gemstone report: GIA
Category
21st Century and Contemporary Sri Lankan Loose Gemstones
Materials
Ruby
W 0.42 in D 0.19 in L 0.28 in
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
Natural Green Tsavorite Gemstone 1.83 carats with GIA Report
Located in Los Angeles, CA
the perfect addition to your collection of beautiful, GIA certified natural gemstones. The GIA is an
Category
2010s Unknown Loose Gemstones
Materials
Tsavorite
Natural Yellow Sapphire Gemstone 4.03 carats with GIA Report
Located in Los Angeles, CA
addition to gemstone collections.
Identification: Natural Yellow Sapphire 4.03 carats / GIA Report
Carat
Category
21st Century and Contemporary Unknown Loose Gemstones
Materials
Yellow Sapphire
Natural Yellow Sapphire Gemstone 4.03 carats with GIA Report
Located in Los Angeles, CA
industry practice. The GIA Report adds credibility, offering a detailed analysis of the gemstone
Category
21st Century and Contemporary Unknown Loose Gemstones
Materials
Yellow Sapphire
Natural Padparascha Sapphire Gemstone 1.69 carats with GIA Report
Located in Los Angeles, CA
Introducing a natural Natural Padparascha Sapphire weighing 1.69 carats, accompanied by a GIA
Category
21st Century and Contemporary Unknown Loose Gemstones
Materials
Sapphire, Padparadscha Sapphire
22.39 Carat Golden Topaz Cushion, Loose Gemstone, GIA Certified
By Sarosi By Timeless Gems
Located in Los Angeles, CA
absolutely stunning pendant enhancer or impressive centerpiece for a gemstone collection. It is a strikingly
Category
21st Century and Contemporary Loose Gemstones
Materials
Topaz
Loose Sapphire Loose Gemstone - Round 1.37ct GIA Purple Solitaire
Located in Greensboro, NC
Treatment: No Heat
Carat(s): 1.37ct
Cut: Round
Color: Purple
Certified by: GIA
Report Number
Category
21st Century and Contemporary Loose Gemstones
Materials
Sapphire
Natural White Sapphire Gemstone 2.14 carats with GIA Report
Located in Los Angeles, CA
The White Sapphire is a great choice if you’re looking for a gemstone as sparkly as a diamond but
Category
21st Century and Contemporary Unknown Loose Gemstones
Materials
Sapphire
Natural Yellow Sapphire Gemstone 2.01 carats with GIA Report
Located in Los Angeles, CA
undergone a heating treatment, as detailed in the GIA Report. Ideal for crafting elegant and distinctive
Category
21st Century and Contemporary Unknown Loose Gemstones
Materials
Yellow Sapphire, Sapphire
Natural Blue Sapphire Gemstone 4.67 carats with GIA Report
Located in Los Angeles, CA
Discover the world of beauty with 4.67 carats Natural Blue Sapphire, certified by GIA. This gem's
Category
21st Century and Contemporary Modern Loose Gemstones
Materials
Blue Sapphire
Natural Blue Sapphire Gemstone 5.97 carats with GIA Report
Located in Los Angeles, CA
• Color Zoning: None
• Clarity: very eye clean
• Origin: Sri Lanka
• Treatment: Heated
• Report: GIA
Category
21st Century and Contemporary Unknown Loose Gemstones
Materials
Blue 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
Category
21st Century and Contemporary Unknown Loose Gemstones
Materials
Yellow 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
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
Unheated 5.02 Carat Blue Spinel, Loose Gemstone, GIA Certified
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
Natural Blue Sapphire Gemstone 2.62 carats with GIA Report
Located in Los Angeles, CA
sensual yet sophisticated. Colored by the elements titanium and iron, here is a gemstone that is the
Category
21st Century and Contemporary Unknown Loose Gemstones
Materials
Blue Sapphire
4.60 Carat Red Spinel Cushion, Loose Gemstone, GIA Certified
By Sarosi By Timeless Gems
Located in Los Angeles, CA
This cushion-cut fiery, deep red spinel measures 9.27 x 8.53 x 7.13 millimeters and weighs 4.60 carats. It has classic red spinel color and would look stunning set as a 3-stone or en...
Category
21st Century and Contemporary American Artisan Loose Gemstones
Materials
Spinel
Natural Orange Sapphire Gemstone 5.53 carats with GIA Report
Located in Los Angeles, CA
, this gemstone has been heated to bring out the best color from the gemstone.
Identification: Natural
Category
21st Century and Contemporary Unknown Loose Gemstones
Materials
Sapphire
Natural Blue Sapphire Gemstone 2.60 carats with GIA Report
Located in Los Angeles, CA
the shape that allows light to pass through in just the right angles. Supported by a GIA report, this
Category
21st Century and Contemporary Unknown Loose Gemstones
Materials
Blue Sapphire
79.78 Carat Golden Olive Tourmaline Oval, Loose Gemstone, GIA Certified
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
W 1.06 in D 0.63 in L 1.19 in
Natural Purple Jadiete Jade Gemstone 47.97 carats with GIA Report
Located in Los Angeles, CA
carats. With its smooth double cabochon cut and rich lavender hue, this exceptional gemstone exudes calm
Category
21st Century and Contemporary Unknown Loose Gemstones
Materials
Jade
Natural Blue Sapphire Gemstone 19.32 carats with GIA Report / JupiterGem
Located in Los Angeles, CA
accompanied by a GIA Report. This extraordinary gemstone, celebrated for its deep blue hue, is perfect for
Category
21st Century and Contemporary Unknown Loose Gemstones
Materials
Blue Sapphire
W 0.71 in D 0.27 in L 0.77 in
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 Loose Gemstones
Materials
Citrine, Quartz
Natural Purple Sapphire Gemstone 2.95 carats with GIA Report / JupiterGem
Located in Los Angeles, CA
luxurious purple hue and classic cushion shape, this gemstone is a stunning choice for fine jewelry.
Carat
Category
21st Century and Contemporary Unknown Loose Gemstones
Materials
Sapphire, Purple Sapphire
W 0.29 in D 0.18 in L 0.39 in
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
Category
21st Century and Contemporary Unknown Loose Gemstones
Materials
Blue Sapphire
Natural Purple Sapphire Gemstone 4.02 carats with GIA Report / JupiterGem
Located in Los Angeles, CA
stunning oval shape and rich purple hue, this gemstone is an elegant choice for fine jewelry. Key features
Category
21st Century and Contemporary Unknown Loose Gemstones
Materials
Sapphire, Purple Sapphire
W 0.33 in D 0.19 in L 0.46 in
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
Category
21st Century and Contemporary Mozambican Loose Gemstones
Materials
Ruby
Natural Purple Sapphire Gemstone 2.82 carats with GIA Report / JupiterGem
Located in Los Angeles, CA
GIA report, this 2.82-carat pinkish purple sapphire is a rare and exceptional gemstone, ideal for
Category
21st Century and Contemporary Unknown Loose Gemstones
Materials
Sapphire, Purple Sapphire
W 0.27 in D 0.17 in L 0.41 in
Natural Purple Sapphire Gemstone 2.31 carats with GIA Report / JupiteGem
Located in Los Angeles, CA
, designed to maximize light reflection and sparkle
Treatment: Heated, enhancing the gemstone’s natural color
Category
21st Century and Contemporary Unknown Loose Gemstones
Materials
Sapphire, Purple Sapphire
W 0.31 in D 0.17 in L 0.31 in
- 1
- ...
Get Updated with New Arrivals
Save "Gia Gemstones", and we’ll notify you when there are new listings in this category.
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.