Certified Gemstones
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Natural Sandawana Emerald Octagon Cut Certified Gemstone 1.51 Cts Green Emerald.
Located in Chicago, IL
Natural Sandawana Emerald Octagon Cut Certified Gemstone 1.51 Cts Green Emerald.
Certification
Category
2010s Zimbabwean Art Deco Loose Gemstones
Materials
Emerald
AGL Certified Gemstone Natural Corundum Pink Sapphire Weighing 2.92 Carats
By OGI Ltd
Located in New York, NY
type of precious gemstone that has been formed under the earth's crust over millions of years. The
Category
Mid-20th Century Sri Lankan Contemporary Loose Gemstones
Materials
Pink Sapphire
W 0.28 in D 0.2 in L 0.34 in
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
Free Shipping
W 0.21 in D 0.13 in L 0.28 in
Natural 1.18Ct Deep Green Blue Teal Sapphire Heart Cut IGI Certified Gemstone
By Gems and Jewels UK
Located in Birmingham, GB
Natural 1.18Ct Deep Green Blue Teal Sapphire Heart Cut IGI Certified Gemstone
Fine Deep Green Blue
Category
21st Century and Contemporary More Jewelry
1.34ct Colour Change Garnet Natural Cushion Cut Rare IGI Certified Gemstone
By Gems and Jewels UK
Located in Birmingham, GB
1.34ct Colour Change Garnet Natural Cushion Cut Rare IGI Certified Gemstone
Unique Rare Untreated
Category
21st Century and Contemporary More Jewelry
Materials
Garnet
Natural Bestnasite Gemstone 2.67 Carats Bastnasite Jewelry Bastnasite Gemstone
Located in Bangkok, TH
Natural Bastnasite Gemstone, Available For Sale At Wholesale Price,Certified Gemstone Natural High
Category
21st Century and Contemporary Pakistani Modern Loose Gemstones
Materials
Brown Diamond
Free Shipping
W 0.29 in D 0.18 in L 0.33 in
1.36 Carats Natural Blue Apatite Stone From Madagascar Apatite Gemstones
Located in Bangkok, TH
, Flawless 1.36 Carats Certified Gemstone From Madagascar.
Product Information :
Weight: 1.36 carats
Category
21st Century and Contemporary Malagasy Modern Loose Gemstones
Materials
Apatite
Free Shipping
W 0.25 in D 0.19 in L 0.27 in
Natural Blue Apatite Stone 1.36 Carats
Located in Bangkok, TH
, flawless 1.36 carats certified gemstone from Madagascar.
Product Information:
GEMSTONE TYPE Natural Blue
Category
21st Century and Contemporary Malagasy Modern Loose Gemstones
Materials
Apatite
14K Gold Ring Genuine Opal Diamond Halo IAG Certified Gemstones woman´s ring
Located in Sant Josep de sa Talaia, IB
statement piece. Genuine, untreated opal, certified diamonds, and alluring details. Shop now for a touch of
Category
21st Century and Contemporary Spanish Contemporary Cocktail Rings
Materials
Opal, Diamond, Rose Gold, 14k Gold
Magnificent 35.67ct Jade Gemstone - IGI Certified
Located in רמת גן, IL
Magnificent 35.67ct Jade Gemstone - IGI Certified
Behold a 35.67-carat magnificent jade of
Category
2010s Israeli Loose Gemstones
Materials
Jade
Magnificent 35.67ct Jade Gemstone - IGI Certified
Located in רמת גן, IL
Magnificent 35.67ct Jade Gemstone - IGI Certified
Behold a 35.67-carat magnificent jade of
Category
2010s Israeli Loose Gemstones
Materials
Jade
Certified 1.25ct Purple Sapphire Unheated Gemstone Ceylon Origin Ring Gemstone
Located in Makola, LK
Ceylon Unheated Purple Sapphire 1.25 Carat Natural Gemstone. Rich purple and violet Color
Category
21st Century and Contemporary Sri Lankan Loose Gemstones
Materials
Aquamarine, Blue Diamond, Sapphire, Blue Sapphire, Purple Sapphire
Free Shipping
W 0.25 in D 0.21 in L 0.34 in
Certified 1.12ct Natural Vivid Pink Sapphire Unheated Gemstone Ring Gemstone
Located in Makola, LK
Natural Unheated Pink Sapphire 1.12 Carat Natural Gemstone. Rich Pink Color.
Gemstone gift for
Category
21st Century and Contemporary Sri Lankan Loose Gemstones
Materials
Pink Diamond, Ruby, Pink Sapphire, Purple Sapphire, Padparadscha Sapphire
Free Shipping
W 0.24 in D 0.14 in L 0.28 in
AGCL Certified 0.72 Ct Natural Alexandrite Gemstone Ceylon Origin Ring Gemstone
Located in Makola, LK
Natural rare Alexandrite, This exquisite gemstone originates from Ceylon (Sri Lanka), known for
Category
21st Century and Contemporary Sri Lankan Modern Loose Gemstones
Materials
Alexandrite
Free Shipping
W 0.18 in D 0.15 in L 21.19 in
Certified Natural Pink Sapphire Gemstone 0.45 Carat Ceylon Origin Ring Gemstone
Located in Makola, LK
Natural Unheated Pink Sapphire, This exquisite gemstone originates from Ceylon (Sri Lanka), known
Category
21st Century and Contemporary Sri Lankan Modern Loose Gemstones
Materials
Pink Diamond, Pink Sapphire
Free Shipping
W 0.2 in D 0.13 in L 0.21 in
GRS Certified 4.41ct Blue Sapphire Natural Gemstone
Located in Bangkok, TH
Certified 4.41ct Blue Sapphire stone, a breathtaking masterpiece of nature's finest. This oval-shaped gem
Category
2010s Loose Gemstones
Materials
Blue Sapphire
9.67ct Pink Tourmaline gemstone natural 100% certified
Located in Jupiter, FL
Pink tourmaline, large in size, will come with a certificate of authenticity.
NATURAL GEMSTONE(S
Category
21st Century and Contemporary Loose Gemstones
Materials
Tourmaline
Fascinating 10.27ct Sapphire Gemstone - IGI Certified-Star Sapphire
Located in רמת גן, IL
Fascinating 10.27ct Sapphire Gemstone - IGI Certified-Star Sapphire
Presenting a breathtaking
Category
2010s Israeli Loose Gemstones
Materials
Star Sapphire
Bellerophon Gemlab Certified 4.34ct Blue Sapphire Natural Gemstone
Located in Bangkok, TH
: 12.78x8.24x4.55
Certificate: BELL R-202245745
Introducing the epitome of elegance: our Bellerophon certified Blue
Category
2010s Loose Gemstones
Materials
Blue Sapphire
Free Shipping
W 0.33 in D 0.18 in L 0.51 in
IGI Certified Natural Tanzanite Gemstone of 0.66 Carat
Located in Vadgam, GJ
: Bluish Violet
- Characteristics: Natural Characteristics
- This gemstone is IGI Certified on the date of
Category
21st Century and Contemporary Loose Gemstones
Materials
Tanzanite
1.39ct Pear Pink Tourmaline Loose unset gemstone certified
Located in Jupiter, FL
Pink tourmaline,pear shape., certified!
NATURAL GEMSTONE(S): Tourmaline
Clarity/Color: Slightly
Category
21st Century and Contemporary Loose Gemstones
Materials
Tourmaline
Certified Blue Sapphire Ceylon Origin Gemstone 1.05 Ct
Located in Makola, LK
Natural Blue Sapphire, This exquisite gemstone originates from Ceylon (Sri Lanka), known for
Category
21st Century and Contemporary Sri Lankan Modern Loose Gemstones
Materials
Blue Sapphire, Purple Sapphire
3.39 Carat A.G.L Certified Emerald Gemstone
Located in Bethesda, MD
• Gemstone: Emerald
• Weight: 2.10 Carats
• Shape: Emerald
• Origin: Zambia
• Enhancement: Minor
Category
21st Century and Contemporary Zambian Loose Gemstones
Materials
Emerald
ICA Certified 4.20ct Madagascar Blue Sapphire Natural Gemstone
Located in Bangkok, TH
Carat: 4.20
Item: Blue Sapphire
Type: Natural
Shape: Octagon
Origin: Madagascar
Color: Deep Blue
Size: 9.58x8.05x5.62
Certificate: 154355
Unveil the essence of luxury with our ...
Category
2010s Malagasy Loose Gemstones
Materials
Blue Sapphire
Free Shipping
W 0.32 in D 0.23 in L 0.38 in
Bellerophon Certified 4.19ct Srilankan Blue Sapphire Natural Gemstone
Located in Bangkok, TH
Carat: 4.19
Item: Blue Sapphire
Type: Natural
Shape: Oval
Origin: Sri Lanka
Color: Blue
Size: 10.75X8.38X4.84
Certificate: Bellerophon R-202034725
Elevate your collection with ...
Category
21st Century and Contemporary Sri Lankan Loose Gemstones
Materials
Blue Sapphire
Free Shipping
W 0.33 in D 0.2 in L 0.43 in
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
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
Free Shipping
W 0.22 in D 0.14 in L 0.28 in
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
Free Shipping
W 0.2 in D 0.16 in L 0.27 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
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
1.37 Carat Emerald Oval, Unset Loose Gemstone, GIA Certified
By Sarosi By Timeless Gems
Located in Los Angeles, CA
Institute of America Report #2151269762 certifying its authenticity. We offer complimentary design sessions
Category
21st Century and Contemporary Artisan Loose Gemstones
Materials
Emerald
GIA and Bellerophon Certified 4.23ct Blue Sapphire Natural Gemstone
Located in Bangkok, TH
with our certified Blue Sapphire, sourced from the captivating landscapes of Sri Lanka. Weighing 4.23
Category
2010s Sri Lankan Loose Gemstones
Materials
Blue Sapphire
Free Shipping
W 0.33 in D 0.24 in L 0.41 in
Chrysoberyl Ring Gem 9.42 Carat GIA Certified Loose Gemstone
By Merkaba
Located in Beverly Hills, CA
world-class loose gemstone collection.
Category
21st Century and Contemporary Malagasy Contemporary Loose Gemstones
Materials
Chrysoberyl
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
Free Shipping
W 0.25 in D 0.2 in L 0.28 in
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
Free Shipping
W 0.5 in D 0.32 in L 0.61 in
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
.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
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
Unheated 13.12 Carat Ceylon Blue Sapphire, Loose Gemstone, Certified Cushion
By Emeralds Maravellous
Located in US
Unheated 13.12 Carat Ceylon Blue Sapphire, Loose Gemstone, Certified
Certified 13.12 Carats Blue
Category
21st Century and Contemporary Sri Lankan Contemporary Loose Gemstones
Materials
Blue Sapphire
Natural Oval Cut Sandawana Emerald Certified 2.45Cts Emerald Loose Gemstone.
Located in Chicago, IL
Natural Oval Cut Sandawana Emerald Certified 2.45Cts Emerald Loose Gemstone.
Size
Category
2010s Zimbabwean Art Deco Loose Gemstones
Materials
Emerald
Certified 89.35 Carats Ruby Mozambique Carved Specimen Heated Natural Gemstone
Located in Jaipur, RJ
Certified 89.35 Carats Ruby Mozambique Carved Specimen Heated For Fine Jewelry
Gemstone - Ruby
Category
21st Century and Contemporary Mozambican Art Deco Loose Gemstones
Materials
Ruby
Free Shipping
W 1.09 in D 0.26 in L 1.34 in
Natural Certified Sandawana Emerald Loose Gemstone 8.2x6.2x4.8 mm Emerald Cut.
Located in Chicago, IL
Natural Certified Sandawana Emerald Loose Gemstone 8.2x6.2x4.8 mm Emerald Cut.
Weight: 2.05 Cts
Category
2010s Zimbabwean Classical Greek Loose Gemstones
Materials
Emerald
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
No Reserve
W 0.89 in D 0.65 in L 1.22 in
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
Free Shipping
W 0.18 in D 0.09 in L 0.18 in
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
Free Shipping
W 0.2 in D 0.14 in L 0.2 in
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
Free Shipping
W 0.32 in D 0.2 in L 0.4 in
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
Free Shipping
W 0.31 in D 0.17 in L 0.43 in
GIA Certified 1.84ct Natural Mozambique Paraiba Tourmaline, Gemstone For Jewelry
Located in Los Angeles, CA
characteristics. Certified Paraiba tourmaline here is a gemstone that comes alive as light hits its facets. An
Category
21st Century and Contemporary Mozambican Loose Gemstones
Materials
Tourmaline, Paraiba
Free Shipping
W 0.29 in D 0.18 in L 0.36 in
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
Emerald Cut Emerald Loose Gemstone 0.57 Carat Weight ICL Certified
By Tsarina Jewels
Located in Bangkok, TH
wearable art.
This exceptional quality gemstone would make a custom-made jewelry design. Perfect for a Ring
Category
2010s Russian Modern 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
Free Shipping
W 0.64 in D 0.46 in L 0.83 in
Untreated Russian Emerald Loose Gemstone 0.37 Carat Weight ICL Certified
By Tsarina Jewels
Located in Bangkok, TH
exceptional quality gemstone would make a custom-made jewelry design. Perfect for a Ring or Pendant.
Shape
Category
2010s Russian Modern Loose Gemstones
Materials
Emerald
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
W 0.28 in D 0.21 in L 0.33 in
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
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
Free Shipping
W 0.21 in D 0.15 in L 0.28 in
Certified 1.85 Ct Unheated Pink Sapphire Ceylon Origin Ring Gemstone
Located in Makola, LK
Ceylon Pink sapphire 1.08 Carats unheated Gemstone internal flawless clarity
• Variety: Sapphire
Category
21st Century and Contemporary Sri Lankan Modern Loose Gemstones
Materials
Pink Diamond, Pink Sapphire, Padparadscha Sapphire
Free Shipping
H 0.25 in W 0.37 in L 0.28 in
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
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Certified Gemstones For Sale on 1stDibs
Browse a vast assortment of certified gemstones for sale on 1stDibs. Frequently made of Gold, Platinum and 18k Gold, these items were constructed with great care. Find a collection of 3 vintage versions or 71 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. The designs in our inventory of certified gemstones bearing Contemporary or Modern hallmarks are very popular. Many examples in our inventory of these items are appealing no matter their origins, but Merkaba, Tamir and FERRUCCI produced popular versions that are worth a look. Many pieces in our collection are stylish for most occasions, but Diamond versions, from our inventory of 48, can add a particularly distinctive touch to your look, day or night. Today, if you’re looking for oval cut certified gemstones and are unable to find the perfect match, our selection also includes cushion cut and emerald cut alternatives. Most of our certified gemstones for sale are for women, but there are 29 pieces available to browse for men.
How Much are Certified Gemstones?
Prices for certified gemstones start at $353 and top out at $325,000 with these rings, on average, selling for $28,000.
More Ways To Browse
Custom Crystal Engagement Rings
Unheated 3 Carat Pink Sapphire
Royal Blue Sapphire Unheated Gia
5 Ct Purple Sapphire
Pink Sapphire Burma Unheated
Genuine Alexandrite
Violet Blue Spinel
Large Enhancer Topaz
Teal Sapphire Pendant
Unheated Ceylon Sapphire Necklace
Burmese Ruby Loose Stone
Sapphire Cabochon Loose
Purple Spinel Bracelet
Sarosi Topaz
Loose Burma Sapphire
Natural Alexandrite Color Change Loose
Heart Shaped Loose Gemstones
Loose Pear Shape Diamond