Black Opal Loose Gemstones
to
2
445
2,661
2,267
1,569
1,484
to
6
4
2
2
14
4
10
8
5
1
1
4
4
1
1
4
Gemstone: Black Opal
Natural 5.89 Ct Australian boulder opal mined by Sue Cooper
Located in BELCONNEN, ACT
This amazing 5.89 Ct Australian black boulder opal was mined by Sue Cooper at her Yaraka opal mine in western Queensland, Australia in 2023. Sue processed t...
Category
2010s Australian Black Opal Loose Gemstones
Materials
Opal, Black Opal
8.08 Carat Opal
Located in Bangkok, TH
This piece is a massive and stunning, 8.08 Carat Opal, in a mesmerising, and unique shape, with a grey and red hue. Opals are a unique and captivating type of gemstone known for thei...
Category
19th Century Edwardian Antique Black Opal Loose Gemstones
Materials
Opal, Black Opal, Platinum
$899
AGL Certified 8.11 Carat Australian Black Opal Vivid Blue Green N2-B4
Located in Chicago, IL
This pear-shape stunning Australian Black Opal displays a vivid Blue-Green Play-of-Color Phenomena in a unique Chaff and Harlequin Jigsaw pattern. This unique gem weighs 8.11ct and m...
Category
21st Century and Contemporary Australian Contemporary Black Opal Loose Gemstones
Materials
Opal, Black Opal
$35,600 Sale Price
20% Off
Natural 20.39 Ct Australian kite-shaped boulder opal mined by Sue Cooper
Located in BELCONNEN, ACT
This unique 20.39 Ct Australian boulder opal was mined by Sue Cooper at her Yaraka opal mine in western Queensland, Australia in 2020. Sue processed the rough opal herself and cut in...
Category
2010s Australian Black Opal Loose Gemstones
Materials
Opal, Black Opal
5.03 Carat Opal
Located in Bangkok, TH
This piece is a stunning, 5.03 Carat Opal, in a mesmerising, unique shape. Opals are a unique and captivating type of gemstone known for their play-of-color, which is a shifting arra...
Category
19th Century Edwardian Antique Black Opal Loose Gemstones
Materials
Opal, Black Opal, Platinum
$599
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: 6227841105
Shape: Oval
Cutting Style: Cabochon
Cutting Style: Crown:
Cutting Style: Pavil...
Category
2010s Australian Black Opal Loose Gemstones
Materials
Opal, Black Opal
Natural 2.75 Ct Australian green and pink black boulder opal mined by Sue Cooper
Located in BELCONNEN, ACT
This beautiful 2.75 Ct Australian boulder opal was mined by Sue Cooper at her Yaraka opal mine in western Queensland, Australia in 2024. Sue processed the rough opal herself and cut ...
Category
2010s Australian Black Opal Loose Gemstones
Materials
Opal, Black Opal
Natural 12.61 Ct Australian green-blue black boulder opal mined by Sue Cooper
Located in BELCONNEN, ACT
This rare 12.61 Ct Australian black boulder opal was mined by Sue Cooper at her Yaraka opal mine in western Queensland, Australia in 2021. Sue processed the rough opal herself and cu...
Category
2010s Australian Black Opal Loose Gemstones
Materials
Opal, Black Opal
Pear Natural Australian Black Opal 0.43 ct Loose Gemstone Jewelry Making Design
Located in Suwanee, GA
Pear Natural Australian Black Opal 0.43 ct Loose Gemstone Jewelry Making Design.
Free Domestic USPS First Class Shipping! Free Beautiful Gift Bag with every order!
Every Opal piece...
Category
2010s American Arts and Crafts Black Opal Loose Gemstones
Materials
Opal, Black Opal
$256 Sale Price
20% Off
Massive 56 Carat Australian Black Opal: Rare Lightning Ridge Gemstone Treasure
Located in Hung Hom, HK
An extraordinary 56-carat Australian Black Opal, sourced from the renowned Lightning Ridge. This massive and rare gemstone is a true collector's treasure, celebrated for its mesmeriz...
Category
2010s Hong Kong Arts and Crafts Black Opal Loose Gemstones
Materials
Opal, Black 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: 2211817189
Shape: Freeform Tablet
Cutting Style:
Cutting Style: Crown:
Cutting Style: P...
Category
2010s Black Opal Loose Gemstones
Materials
Opal, Black Opal
9.03 Carat Opal
Located in Bangkok, TH
This piece is a massive and stunning, 9.03 Carat Opal, in a mesmerising, elongated-oval shape that has a gorgeous, sky-blue hue. Opals are a unique and captivating type of gemstone k...
Category
19th Century Edwardian Antique Black Opal Loose Gemstones
Materials
Opal, Black Opal, Platinum
$350
28.57 Carat Black Australian Opal
Located in Bangkok, TH
This piece is a massive and stunning, 28.57 Carat Black Opal, in a mesmerising, trillion-cut shape. Opals are a unique and captivating type of gemstone known for their play-of-color,...
Category
19th Century Edwardian Antique Black Opal Loose Gemstones
Materials
Opal, Black Opal, Platinum
Loose 13 carat oval Australian Black Opal spectacular colors
Located in Laguna Hills, CA
Fine, oval-shaped Australian Black Opal loose gemstone (ring is not included).
This color and size opal is non-existence for this price!
The opal measures weight is 13 carats.
The o...
Category
21st Century and Contemporary Australian Artisan Black Opal Loose Gemstones
Materials
Opal, Black Opal
Related Items
28.57 Carat Black Australian Opal
Located in Bangkok, TH
This piece is a massive and stunning, 28.57 Carat Black Opal, in a mesmerising, trillion-cut shape. Opals are a unique and captivating type of gemstone known for their play-of-color,...
Category
19th Century Edwardian Antique Black Opal Loose Gemstones
Materials
Opal, Black Opal, Platinum
2.90 Carats Australian Opal Orange blue green multiple play of color gemstone
Located in Jaipur, RJ
2.90 Carats Australian Opal Orange blue green multiple play of color gemstone
Gemstone : Opal Doublet
Weight : 2.90 Carats
Size : 15.5x8.5 MM
Quantity - 1 Piece
Shape - Fancy
Play ...
Category
21st Century and Contemporary Australian Black Opal Loose Gemstones
Materials
Opal
$803
W 0.34 in L 0.62 in
Natural Ethiopian Opal Loose gemstone 9.45ct. Oval cabochon, 17.76x14.02x7.04 mm
By GRALJEWELRY
Located in Daugavpils, LV
9.45 Ct., Ethiopian Opal
Premium quality.
Stone Origin: Welo, Ethiopia
Stone dimension (mm): 17.76x14.02x7.04 mm
Shape and cut: oval cabochon
Stone treatment: Not Enhanced
Stone cre...
Category
2010s Ethiopian Black Opal Loose Gemstones
Materials
Opal
$370
W 0.56 in D 0.28 in L 0.7 in
Natural 2.75 Ct Australian green and pink black boulder opal mined by Sue Cooper
Located in BELCONNEN, ACT
This beautiful 2.75 Ct Australian boulder opal was mined by Sue Cooper at her Yaraka opal mine in western Queensland, Australia in 2024. Sue processed the rough opal herself and cut ...
Category
2010s Australian Black Opal Loose Gemstones
Materials
Opal, Black Opal
$3,850
W 0.33 in D 0.11 in L 0.58 in
27.03 Carat Salt and Pepper Diamond Crystal
Located in New York, NY
This natural diamond single crystal out of Canada weighs 27.03 carats and has salt and pepper coloration due to natural inclusions in the crystal lattice structure. It displays beaut...
Category
2010s Canadian Black Opal Loose Gemstones
Materials
Diamond
Radiant 1.01ct Ideal Cut Oval-Shaped Diamond - GIA Certified
Located in רמת גן, IL
Radiant 1.01ct Ideal Cut Oval-Shaped Diamond - GIA Certified
Presenting a stunning oval-cut diamond, weighing 1.01-carat. Certified by the GIA, this diamond guarantees superior qual...
Category
2010s Israeli Black Opal Loose Gemstones
Materials
Diamond
Pear Natural Australian Black Opal 0.43 ct Loose Gemstone Jewelry Making Design
Located in Suwanee, GA
Pear Natural Australian Black Opal 0.43 ct Loose Gemstone Jewelry Making Design.
Free Domestic USPS First Class Shipping! Free Beautiful Gift Bag with every order!
Every Opal piece...
Category
2010s American Arts and Crafts Black Opal Loose Gemstones
Materials
Opal, Black Opal
$256 Sale Price
20% Off
W 0.24 in L 0.22 in
Natural Yellow Sapphire Gemstone 4.03 carats with GIA Report
Located in Los Angeles, CA
Introducing a natural Yellow Sapphire weighing 4.03 carats, accompanied by a GIA Report for authenticity. The octagonal-shaped gem, measuring 9.15 x 8.62 x 5.25 mm, showcases a Brill...
Category
21st Century and Contemporary Unknown Black Opal Loose Gemstones
Materials
Yellow Sapphire
GIA Certified Paraiba Tourmaline 1.41ct Oval Neon Blue Brazilian Tourmaline
Located in Portland, OR
GIA CERTIFIED EXCELLENCE
• Weight: 1.41 carats
• Cut: Pear Modified Brilliant
• Origin: Brazil (GIA Certified)
• Color: Greenish Blue with neon vibrance
• Transparency: Crystal clear...
Category
2010s Brazilian Black Opal Loose Gemstones
Materials
Paraiba
$19,600
W 0.23 in D 0.16 in L 0.41 in
4.65 Carats Australian Opal Pair Royal Green Flash with blue play of color Gem
Located in Jaipur, RJ
4.65 Carats Australian Opal Pair Royal Green Flash with blue play of color Gem
Gemstone : Opal Doublet
Size : 10.5x9 MM
Weight : 4.65 Carats
Quantity - 2 Piece
Shape - Fancy
Category
21st Century and Contemporary Australian Black Opal Loose Gemstones
Materials
Opal
$512
W 0.36 in L 0.42 in
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 Black Opal Loose Gemstones
Materials
Diamond
8.50 Carat Natural Loose Opal Cabochon From Ethiopia, Africa
Located in Peshawar, PK
Loose Opal Cabochon
Weight: 8.50 Carats
Dimension: 18.4 x 12.9 x 7.3 Mm
Origin: Ethiopia
Treatment: Non
Certificate: On Customer Demand
Opal is a mesmerizing gemstone celebrated f...
Category
21st Century and Contemporary Ethiopian Arts and Crafts Black Opal Loose Gemstones
Materials
Opal
Previously Available Items
Loose Round Lightning Ridge Black Opal 5.15ct– Green/Blue Flowing Pattern
Located in SYDNEY, NSW
This stunning Lightning Ridge black opal, weighing 5.15ct, showcases an exceptional green and blue flowing pattern, radiating vibrant play-of-colour. The opal is classified as a Blac...
Category
21st Century and Contemporary Australian Black Opal Loose Gemstones
Materials
Black Opal, White Gold
7.38 Carat Black Opal Loose Gemstone Oval 16x12mm
Located in Columbus, OH
NNJ Designs presents a 7.38 carat loose Black Opal gemstone! Black Opal is often called the "king of opals". This gemstone would be perfect for the je...
Category
2010s American Black Opal Loose Gemstones
Materials
Opal, Black Opal
10.73 Carat Black Opal Loose Gemstone Oval 23x13mm
Located in Columbus, OH
NNJ Designs presents a 10.73 carat loose Black Opal gemstone! Black Opal is often called the "king of opals". This gemstone would be perfect for the j...
Category
2010s American Black Opal Loose Gemstones
Materials
Opal, Black Opal
8.46 Carat Black Opal Loose Gemstone Pear Shape 21x14mm
Located in Columbus, OH
NNJ Designs presents an 8.46 carat pear shaped Black Opal loose gemstone! Black Opal is often called the "king of opals". This gemstone would be perfect for the jewelry setting of yo...
Category
2010s American Art Deco Black Opal Loose Gemstones
Materials
Opal, Black Opal
Still Thinking About These?
All Recently ViewedMore Ways To Browse
Cellini Craft
Enamel Heart Charm
Ferner Sterling
Garrard Antique Jewellery
Georgian Miniature Portrait
Gold Teeth
Ice Blue Sapphire
Intaglio Rock Crystal Antique
Italian Fob
Lacloche Freres
Lalaounis Silver
Large Agate Brooch
Large Citrine Brooch
Leaf With Pearl Brooch
Lyre Brooch
M Gerard Gold
Mary Cameo
Men Gold Brooch