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15.54 Carat Oval Opal GIA Certified
Located in Toronto, Ontario
This is a stunning GIA Certified Opal
The GIA report reads as follows:
GIA Report Number
Category
2010s Ethiopian Loose Gemstones
Materials
Opal
1.42ct Oval Cabochon Black Opal GIA Certified
Located in Toronto, Ontario
This is a stunning GIA Certified Opal
The GIA report reads as follows:
GIA Report Number
Category
2010s Australian Loose Gemstones
Materials
Opal, Black Opal
8.01ct Freeform Gray Opal GIA Certified Australia
Located in Toronto, Ontario
This is a stunning GIA Certified Opal
The GIA report reads as follows:
GIA Report Number
Category
2010s Australian Loose Gemstones
Materials
Opal
6.39ct Freeform Gray Opal GIA Certified Australia
Located in Toronto, Ontario
This is a stunning GIA Certified Opal
The GIA report reads as follows:
GIA Report Number
Category
2010s Australian Loose Gemstones
Materials
Opal
9.53ct Freeform Carving Gray Opal GIA Certified Australia
Located in Toronto, Ontario
This is a stunning GIA Certified Opal
The GIA report reads as follows:
GIA Report Number
Category
2010s Australian Loose Gemstones
Materials
Opal
5.54ct Freeform Tablet Semi Black Opal GIA Certified Australia
Located in Toronto, Ontario
This is a stunning GIA Certified Opal
The GIA report reads as follows:
GIA Report Number
Category
2010s Loose Gemstones
Materials
Opal, Black Opal
15.45 Carat Semi-Black Crystal Opal GIA, Double Cabochon Pendant Collector Gem
By Sarosi By Timeless Gems
Located in Los Angeles, CA
This semi-black crystal opal with vivid, multi-colored “rolling flash” would be perfect for anyone
Category
21st Century and Contemporary Artisan Loose Gemstones
Materials
Opal, Crystal
W 0.73 in D 0.3 in L 0.75 in
Australian Opal Ruby Diamond Platinum Pendant, GIA
Located in Beverly Hills, CA
A special 34.84 carat kite shape double cabochon natural opal is bordered by 2.18 crats of round
Category
2010s Pendant Necklaces
Materials
Diamond, White Diamond, Opal, Ruby, Platinum
GIA 7.53ct Black Opal Diamond Platinum Oval Cocktail Ring
Located in Miami, FL
This GIA Natural Black Opal and Diamond Cocktail Ring with a total weight of 11.18 grams. Centered
Category
2010s Art Deco Cocktail Rings
Materials
Diamond, Opal, Black Opal, Platinum
Modern GIA Black Opal Diamond Platinum Halo Cocktail Ring
Located in Miami, FL
Pristine Condition, and the opal comes with a GIA lab Report 522284709 and a Professional Appraisal
Category
1990s North American Modern Cocktail Rings
Materials
Black Opal, Opal, Diamond, Platinum
14K Black Opal and Diamond Pendant with GIA Report
Located in Big Bend, WI
14k White gold pendant featuring a natural black opal and diamond accents. The GIA report
Category
Late 20th Century Contemporary Pendant Necklaces
Materials
Diamond, Opal, Black Opal, Gold, 14k Gold, White Gold
GIA 6.55 carat Black Opal and Aquamarine Ring in Platinum
Located in La Jolla, CA
GIA Certified 6.55 carat Black Opal and Aquamarine Ring in Platinum
Black Opal and Diamond Ring
Category
21st Century and Contemporary North American Cocktail Rings
Materials
Aquamarine, Opal, Black Opal, Platinum
GIA Vintage Australian Opal & Diamond Ring in Yellow Gold
Located in Bloomington, MN
GIA Vintage Australian Opal & Diamond Ring in Yellow Gold
Introducing this beautiful Australian
Category
21st Century and Contemporary Contemporary Fashion Rings
Materials
Diamond, Opal, 14k Gold, Yellow Gold
GIA Certified Jadeite Jade Opal Yellow Gold Pendant Necklace
Located in Stamford, CT
Opal and jade pendant necklace. GIA certified natural, no indications of impregnation jadeite jade
Category
Late 20th Century Pendant Necklaces
Materials
Jade, Opal, Gold, 14k Gold, Yellow Gold
GIA Certified 22.85ct natural cabochon opal ring 18Kt Gold
Located in New York, NY
Play of color.
GIA Certified
22.85ct. Natural Non treated Opal ring.
Report: 6224937405
Round
Category
2010s American Solitaire Rings
Materials
Opal, 18k Gold, Yellow Gold
GIA Certified 2.29 Carat Opal Diamond Halo Platinum Pendant Necklace
Located in Stamford, CT
Natural untreated 2.28 carat GIA certified dark gray opal with green and blue flash with a halo of
Category
21st Century and Contemporary Pendant Necklaces
Materials
Diamond, Opal, Platinum
Platinum GIA Certified 7.46 Carat Oval Lightning Ridge Opal Engagement Ring
Located in Los Angeles, CA
lustrous Lightning Ridge Australian Gray Opal cabochon surrounded by beautiful baguette diamonds in a
Category
21st Century and Contemporary American Art Deco Engagement Rings
Materials
Black Opal, Opal, Diamond, Platinum
Platinum GIA Certified 6.78 Carat Lightning Ridge Black Opal Engagement Ring
Located in Los Angeles, CA
lustrous Lightning Ridge Australian Black Opal cabochon surrounded by beautiful baguette diamonds in a
Category
21st Century and Contemporary American Art Deco Engagement Rings
Materials
Black Opal, Opal, Diamond, Platinum
Vintage Platinum Large GIA 6.23ctw Thick Opal & Diamond Sides Solitaire Ring
Located in Montclair, NJ
. Shows some light wear. Excellent overall condition! Comes w/ GIA certification for the opal!
Stock
Category
20th Century Cocktail Rings
Materials
Diamond, Opal, Platinum
Estate GIA 18.81 Carat Opal Diamond 14 Karat Cocktail Ring
Located in Miami, FL
This eye-catching cocktail ring boasts color with a large oval-shaped
fiery Opal offering bursts
Category
1990s American Cocktail Rings
Materials
Diamond, Opal, 14k Gold, Platinum
GIA 3.59 ct Black Opal and Diamond 3-stone Ring in Platinum
Located in La Jolla, CA
GIA Certified 3.59 carat Black Opal and Diamond 3-stone Ring in Platinum
Black Opal and Diamond
Category
21st Century and Contemporary North American Three-Stone Rings
Materials
Diamond, Opal, Black Opal, Platinum
GIA Certified Large Carved Opal Rose Gold Frame Pendant Necklace
Located in Stamford, CT
Hand carved opal pendant and necklace. Intricate blue green opal carvings of a woman in flowing
Category
Mid-20th Century Pendant Necklaces
Materials
Opal, Gold, 14k Gold, Rose Gold
Platinum GIA Graded 2.27ctw Oval Cut Black Opal & Diamond Cocktail Ring
Located in Montclair, NJ
opal!
Stock Number: MK-130127979
--Certification Details:--
Laboratory: GIA
Report Number: 2235455720
Category
21st Century and Contemporary Cocktail Rings
Materials
Diamond, Black Opal, Platinum
Platinum GIA 4.04ctw Elongated Oval Black Opal & Diamond Ballerina Cocktail Ring
Located in Montclair, NJ
Condition: Excellent condition! Comes w/ GIA certification for the opal!
Stock Number: MK-96015038
Category
21st Century and Contemporary Cocktail Rings
Materials
Diamond, Black Opal, Platinum
GIA Certified 8.45 Carat Black Opal & Diamond Halo Platinum Vintage Ring
Located in Miami, FL
GIA Certified Vintage 8.45 Carat Natural Black Opal & 0.70 Carat Diamond Halo in Platinum 900 Halo
Category
21st Century and Contemporary Retro Cocktail Rings
Materials
Diamond, Opal, Platinum
GIA Natural Black Opal 6.23 carats and Diamond Cocktail Ring in Platinum
Located in La Jolla, CA
GIA certified Natural Black Opal 6.23 ct and Diamond Cocktail Ring in Platinum
Natural certified
Category
21st Century and Contemporary North American Cocktail Rings
Materials
Diamond, Opal, Black Opal, Platinum
Gia Certified 8.04ct Natural Cabochon Opal Diamonds Cocktail Ring 14kt
Located in New York, NY
Play of color.
GIA Certified
8.04ct. Natural Non treated Opal ring.
Report: 5222531468
Oval
Category
2010s American Solitaire Rings
Materials
Diamond, Opal, 14k Gold, Yellow Gold
Peter Suchy GIA Certified 7.55 Carat Black Opal Diamond Platinum Cocktail Ring
By Peter Suchy
Located in Stamford, CT
with a halo of round diamonds. Gia Certified. The opal is from an estate circa 1950. Vivid green, blue
Category
21st Century and Contemporary Cocktail Rings
Materials
Diamond, Opal, Black Opal, Platinum
GIA Certified 5.38 Carat Black Opal and Diamond Ballerina Vintage Platinum Ring
Located in Miami, FL
GIA Certified vintage 5.83 carat black opal and diamond halo ballerina ring in platinum 900
Category
1990s Art Deco Cocktail Rings
Materials
Diamond, Opal, Black Opal, Platinum
Vintage 2 Carat Oval Black Opal & Diamond 3 Stone Platinum Ring GIA Certified
Located in Miami, FL
Vintage GIA certified black opal and diamond ring in platinum 900. The 2.17 carat opal bears an
Category
21st Century and Contemporary Modern Cocktail Rings
Materials
Diamond, Opal, Black Opal, Platinum
Vintage Platinum GIA 3.83ctw Super Fiery Gray Opal w/ Diamond Ballerina Ring
Located in Montclair, NJ
w/ GIA certification for the opal!
Stock Number: MK-390127916
--Certification Details:--
Laboratory
Category
20th Century Cocktail Rings
Materials
Diamond, Opal, Platinum
Australian Black Opal & Diamond Pendant 18" 14k Y Gold 4.45 TCW GIA Certified
Located in Brooklyn, NY
Australian Black Opal & Diamond Pendant 18" 14k Y Gold 4.45 TCW GIA Certified $7,950 212090
MADE
Category
1990s American Drop Necklaces
Materials
Diamond, Opal, Black Opal, Gold
GIA Certified 5.75 Carats Natural Black Opal & Yellow Diamond Fashion Ring
Located in New York, NY
A one-of-a-kind fashion ring, showcasing a GIA certified 5.75 carats black natural opal with a
Category
21st Century and Contemporary American Contemporary Fashion Rings
Materials
Black Opal, Opal, Yellow Diamond, Yellow Gold, Platinum, 18k Gold
GIA Certified 4.07 CT Natural Opal Diamond 14K White Gold Ring
Located in Westport, CT
A majestic 14K white gold natural opal ring, accompanied by a GIA certificate, report #: 1192097284
Category
20th Century North American Cocktail Rings
Materials
Diamond, Opal, White Gold
Natural Ethiopian Opal Sapphire Necklace 14k Gold 11.5 TCW GIA Certified
Located in Brooklyn, NY
Natural Fine Quality Ethiopian Pear Cabochon Opal and Sapphire Necklace 14k Gold 17" 11.5 TCW
GIA
Category
2010s American Pendant Necklaces
Materials
Opal, Sapphire, Gold, 14k Gold, Rose Gold
Natural Opal Diamond Pendant W/ Gold Chain 3.25 TCW GIA Certified
Located in Brooklyn, NY
Natural Finely Faceted Quality Opal Diamond Pendant with 18" Gold Chain 3.25 TCW GIA Certified
Category
2010s American Pendant Necklaces
Materials
Diamond, Opal, Gold, 14k Gold, White Gold
Natural White Opal Diamond Ring 14k Gold 11 TCW GIA Certified
Located in Brooklyn, NY
This Magnificent, Custom-Made Natural Fine Quality Pear-Shaped Opal and Diamond Ring is a one-of-a
Category
2010s American Engagement Rings
Materials
Diamond, Opal, 14k Gold, White Gold
Classic Solid Platinum GIA 3.01ctw Oval Cabochon Black Opal & Pave Diamond Ring
Located in Montclair, NJ
light wear. Excellent overall condition! Comes w/ GIA certification for the opal!
Stock Number: MK
Category
21st Century and Contemporary Solitaire Rings
Materials
Diamond, Black Opal, Platinum
Solid Platinum 2.69ctw GIA Black Opal w/ Twisted Shoulder Diamond Halo Ring
Located in Montclair, NJ
: Excellent condition! Comes w/ GIA certification for the opal!
Stock Number: MK-17092060
--Certification
Category
21st Century and Contemporary Cocktail Rings
Materials
Diamond, Black Opal, Platinum
GIA Antique Australian Opal 14K Pendant Natural Vintage Necklace Solid Gold Fine
Located in Sylvania, GA
Old South Jewels proudly presents GIA CERTIFIED ANTIQUE AUSTRALIAN OPAL VINTAGE 14K SOLID GOLD
Category
Antique 19th Century Pendant Necklaces
Materials
Opal, Gold, 14k Gold
W 1.5 in D 0.52 in L 1.58 in
GIA Certified Natural Opal & Yellow Sapphire Pendant with Retractable Clasp 18kt
Located in New York, NY
GIA Certified Natural Opal Pendant
Report 6213047638
Please see attached report of proper details
Category
2010s American Pendant Necklaces
Materials
Opal, Yellow Sapphire, 18k Gold, Yellow Gold
Platinum Diamond GIA Certified 8.70 Carat Rare Australian Black Opal Ring
Located in Los Angeles, CA
lustrous Lightning Ridge Australian Black Opal cabochon surrounded by beautiful baguette diamonds in a
Category
21st Century and Contemporary American Art Deco Engagement Rings
Materials
Diamond, Black Opal, Platinum
Vintage Solid Platinum GIA 1.30ctw Cabochon Black Opal w/ Diamond Cocktail Ring
Located in Montclair, NJ
preserved. Excellent condition! Comes w/ GIA certification for the opal!
Stock Number: MK-37060599
Category
20th Century Cocktail Rings
Materials
Diamond, Black Opal, Platinum
Vintage 14k Yellow Gold GIA Opal Rondelle Beads Graduated 22" Strand Necklace
Located in Montclair, NJ
some light wear. Excellent overall condition. Comes w/ GIA certification for 1 randomly picked opal
Category
20th Century Beaded Necklaces
Materials
Opal, Gold, 14k Gold, Yellow Gold
18K Black Opal Australian Diamond Vintage Ring GIA Solid Rainbow Fine 7.08 CTS!
Located in Sylvania, GA
Old South Jewels proudly presents...LUXURY. RARE GIA CERTIFIED SOLID AUSTRALIAN BLACK OPAL
Category
20th Century Australian Cocktail Rings
Materials
Diamond, Opal, Black Opal, 18k Gold, White Gold
GIA Black Opal and Diamond Pendant Necklace in Platinum and 18k White Gold
Located in La Jolla, CA
GIA Certified Black Opal and Diamond Pendant Necklace in Platinum and 18k White Gold
Black Opal
Category
21st Century and Contemporary North American Pendant Necklaces
Materials
Diamond, Opal, Black Opal, 18k Gold, White Gold, Platinum
GIA Black Opal Vintage Pendant 14K Australian Natural Rainbow Huge Fine 5.53 CTS
Located in Sylvania, GA
Old South Jewels proudly presents...GIA CERIFIED VINTAGE AUSTRALIAN BLACK OPAL 14K PENDANT! HUGE
Category
Late 20th Century Pendant Necklaces
Materials
Diamond, Opal, Black Opal, Gold, 14k Gold
Antique 10k Yellow Gold GIA 3.40ct Australian Black Opal Bezel Solitaire Ring
Located in Montclair, NJ
/ GIA certification for the opal!
Stock Number: MK-22024121-PAR
--Certification Details:--
Laboratory
Category
Antique 19th Century Solitaire Rings
Materials
Opal, Gold, 10k Gold, Yellow Gold
Vintage Natural Gray Opal 18 Karat Yellow Gold Unisex Statement Ring GIA
Located in Philadelphia, PA
Centering an organically shaped opal double cabochon measuring 16.1 x 11.12 mm
Gray in body color
Category
Vintage 1980s Engagement Rings
Materials
Opal, Gold, 18k Gold, Yellow Gold
Magnificent GIA 4.63 Natural Black Opal Diamond Estate Ring in 18K White Gold
Located in Leesburg, VA
Magnificent GIA 4.63 Natural Black Opal Diamond Estate Ring in 18K White Gold
Material: 18K Gold
Category
21st Century and Contemporary Cocktail Rings
Materials
Black Opal, White Gold
Vintage GIA Certified Black Opal Mixed Cut Diamond Halo 14K Cocktail Ring
Located in Miami, FL
GIA Certified 5 Carat + Black Opal with vibrant play-of-color takes center stage in this vintage
Category
1990s Contemporary Cocktail Rings
Materials
Diamond, Black Opal, Gold, 14k Gold, White Gold
GIA Certified 9.00 Carat Natural Black Opal Men's Fashion Ring in Yellow Gold
Located in New York, NY
A dashing men's fashion ring, showcasing a 9.00 carats elongated cabochon gemstone certified by GIA
Category
21st Century and Contemporary American Contemporary Fashion Rings
Materials
Opal, Black Opal, 18k Gold, Yellow Gold
Vintage 14k Gold 10.28ct GIA Marquise Cabochon Opal & Diamond Halo Cocktail Ring
Located in Montclair, NJ
Condition: Vintage statement ring. Excellent condition. Comes w/ GIA certification for the opal!
Stock
Category
21st Century and Contemporary Cocktail Rings
Materials
Diamond, Opal, 14k Gold, White Gold
French Antique Art Nouveau Gold GIA Black Opal & Diamond Repousse Navette Ring
Located in Montclair, NJ
condition! Comes w/ GIA certification for the opal!
Stock Number: MK-680690238
--Certification Details
Category
Antique 19th Century Art Nouveau Cocktail Rings
Materials
Diamond, Opal, Gold, White Gold, Yellow Gold
Natural Black Opal Stone 1.06 cts in Platinum Ring with Diamonds with GIA Report
Located in Los Angeles, CA
enhance the opal's beauty, creating a luxurious contrast. This unique piece is accompanied by a GIA report
Category
21st Century and Contemporary Unknown Cocktail Rings
Materials
Black Opal, Opal, Diamond, Platinum
GIA 7.17ct natural cabochon opal diamonds sunburst cocktail ring 14kt a+ colors
Located in New York, NY
Play of color.
GIA Certified
5.97ct. Natural Non treated Opal ring.
Report: 2145457599
Oval
Category
2010s American Solitaire Rings
Materials
Diamond, Opal, 14k Gold, White Gold
14k Yellow Gold GIA 1.35ct Oval Bezel Set Black Opal Pendant Necklace Chain
Located in Montclair, NJ
chain. Excellent condition! Comes w/ GIA certification for the opal.
Stock Number: MK-38021534-PAR
Category
Antique 19th Century Pendant Necklaces
Materials
Black Opal, Gold, 14k Gold, Yellow Gold
H 0.29 in W 0.37 in L 18 in
Peter Suchy GIA Certified 13.74 Carat Opal Diamond Ruby Yellow Gold Pendant
By Peter Suchy
Located in Stamford, CT
Opal, diamond and ruby pendant necklace. GIA certified 13.74cts square opal with a halo of 19 round
Category
21st Century and Contemporary Pendant Necklaces
Materials
Diamond, Opal, Ruby, Gold, 18k Gold, Yellow Gold
GIA Certified 35 Carat Marcus & Co Australian Black Opal in 18K Gold Pendant
By Marcus & Co.
Located in Miami, FL
perfectly complements the opals. Signed by the renowned "Marcus & Co" and GIA certified, this pendant
Category
Vintage 1950s Retro Pendant Necklaces
Materials
Black Opal, Gold, 18k Gold, Yellow Gold
GIA Certified 8 Carat White Opal With Orange Garnet & Aquamarine Halo Ring
By Gad & Co.
Located in Miami, FL
with GIA certification. The opal is paired with a halo of 10 round-cut aquamarine stones and 2 oval-cut
Category
21st Century and Contemporary North American Art Deco Cocktail Rings
Materials
Opal, Garnet, Aquamarine, Yellow Gold, 18k Gold, Gold
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Opal Gia For Sale on 1stDibs
Find the exact opal gia you’re shopping for in the variety available on 1stDibs. Frequently made of Platinum, Gold and Yellow Gold, this item was constructed with great care. In our selection of items, you can find a vintage example as well as a contemporary version. If you’re looking for an opal gia from a specific time period, our collection is diverse and broad-ranging, and you’ll find at least one that dates back to the 20th Century while another version may have been produced as recently as the 21st Century. For this particular piece, 1 Carat and 1.5 Carat are consistently popular carat weights. Finding an appealing opal gia — no matter the origin — is easy, but Peter Suchy, Nazarelle and Original Deco / Mindi Mond Redesign each produced a popular version that is worth a look. An opal gia can be a stylish choice for most occasions, but Opal rings, from our inventory of 32, can add a particularly distinctive touch to your look, day or night. See these pages for an oval cut iteration of this accessory, while there are also cabochon cut and round cut cut versions available here, too. If you’re browsing our inventory for an opal gia, you’ll find that many are available today for women, but there are still pieces to choose from for unisex and men.
How Much is a Opal Gia?
On average, an opal gia at 1stDibs sells for $10,718, while they’re typically $2,500 on the low end and $59,450 for the highest priced versions of this item.