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Natural 26.16 Ct Rainbow Heart Australian Boulder Opal
Located in BELCONNEN, ACT
This large natural solid Australian boulder opal was mined in western Queensland, Australia by a
Category

Antique 15th Century and Earlier Australian Pendant Necklaces

Materials

Opal

Oval Ring 18k Yellow Gold / White Gold, Opal Vitreous Enamel, 6 Diamonds 0.06 Ct
By Victor Mayer
Located in Pforzheim, DE
: opal white Diamonds: 6 diamonds total 0.06 ct, G VS brilliant cut Gemstones / Pearls: chalcedony
Category

2010s German Contemporary Cocktail Rings

Materials

Chalcedony, Diamond, Yellow Gold, White Gold, 18k Gold

Natural 20.94 Ct Australian rainbow boulder opal mined by Sue Cooper
Located in BELCONNEN, ACT
This beautiful 20.94 Ct Australian boulder opal was mined by Sue Cooper at her Russells opal mine
Category

2010s Australian Loose Gemstones

Materials

Opal

La Estrella - 0.916 ct Halo Trillion Diamond Black Opal Engagement Ring 18K
Located in Suwanee, GA
La Estrella - 0.916 ct Halo Trillion Diamond Australian Black Opal Engagement Wedding Ring 18K
Category

2010s American Artist Engagement Rings

Materials

Opal, Diamond, Black Opal, 18k Gold

Vintage 3.87 Ct Australian Black Blue Green Opal Diamond Platinum ring
Located in Napoli, IT
Gems: 1 cabochon cut natural untreated black opal of 3.87 Ct (11.74 x 9.20 mm.) – 6 Swiss cut diamonds
Category

Vintage 1930s European Retro Solitaire Rings

Materials

Diamond, Black Opal, Platinum

Emerald Ethiopian Opal Earrings with 3.80 ct Diamonds Chandelier Shape UNIQUE
Located in Viena, Viena
Chandelier-splendid-brilliant-opal-earrings, gold/silver in "chandelier-shape" better known under
Category

2010s Unknown Modern Chandelier Earrings

Materials

Diamond, Emerald, Opal, Gold, Silver

29.59 ct Ethiopian Opal, Pink Sapphire & Diamond Cocktail Ring/ Pendant Necklace
By JEWEL HUB
Located in Hong Kong, HK
A very gorgeous and modern style, convertible Opal & Pink Sapphire Cocktail Ring / Pendant Necklace
Category

21st Century and Contemporary Indian Modern Pendant Necklaces

Materials

Diamond, Opal, Pink Sapphire, 18k Gold

14K Yellow Gold Opal and Diamond Ring Size 6-6.25 #16372
Located in Washington Depot, CT
Vintage 14K Yellow Gold Opal and Diamond Ring Size 6-6.25- This lovely ring features three opal
Category

21st Century and Contemporary Engagement Rings

Materials

Diamond, Opal, 14k Gold, Yellow Gold

Opal Brilliant Pendant Platinum like a Mobile Fullcut Diamonds total 1 ct
Located in Viena, Viena
, approx. 1.35 ct, 7.5 x 6 mm, three full-cut brilliant-cut diamonds total approx. 1 ct, TW (fine white
Category

Vintage 1980s Unknown Modern Pendant Necklaces

Materials

Diamond, Opal, Platinum

New Ethiopian 1.86 Ct Black Opal, Sapphire & Citrine Sterling Ring Size 8.75
Located in Eagan, MN
What a gorgeous ring! It is a size 8.75. The black opal is from Africa and is just exquisite
Category

2010s Unknown Art Deco Cocktail Rings

Materials

Black Opal, Sapphire, Opal, Citrine, Gold Plate, Yellow Gold, Sterling S...

Natural 114 Ct Ethiopian Opal Bead Single Strand Necklace 14 Karat Yellow Gold
Located in New York, NY
Beautiful color reflection of red , pink and yellow Size of opal 6 mm to 8.5 mm Have lots of pieces Can
Category

2010s Beaded Necklaces

Materials

Opal, Yellow Gold

Natural 120 Ct Ethiopian Opal Bead Single Strand Necklace 14 Karat Yellow Gold
Located in New York, NY
Beautiful color reflection of red , pink and yellow Size of opal 6 mm to 9 mm Have lots of pieces Can sell
Category

2010s Beaded Necklaces

Materials

Opal, Yellow Gold

5.10 Ct Natural Impressive Ethiopian Opal and Diamond 14K Solid Yellow Gold Ring
Located in Los Angeles, CA
5.10 Carats Natural Impressive Ethiopian Opal and Diamond 14K Solid Yellow Gold Ring Amazing play
Category

2010s American Cocktail Rings

Materials

Diamond, Opal, 14k Gold, Yellow Gold

2.25 Ct Oval Opal Charm Pendant Necklace with Diamonds, 24kt Gold and Silver
Located in Bozeman, MT
Istanbul, Turkey. Opal - 2.25cts, Diamonds - 0.06cts. This stunning opal is framed in 24kt gold with 6
Category

2010s Turkish Contemporary Pendant Necklaces

Materials

Diamond, Opal, Gold, 24k Gold, Yellow Gold, Silver, Sterling Silver

2.46 Ct. Opal Emerald Diamond Art Deco Style Solitaire Ring in 14K White Gold
Located in Bangkok, TH
A well balanced Art Deco inspired ring that has a central 2.46 carats play-of-color Ethiopian opal
Category

21st Century and Contemporary Thai Art Deco Solitaire Rings

Materials

Opal, Emerald, Diamond, White Gold, 14k Gold

Black opal 14k gold ring.
By Daizy Jewellery
Located in Istanbul, TR
Opal: oval cabochon shape, mix color, semi transparent clarity, 1 piece - 10.3x8.3 mm 2.2 ct Diamonds
Category

2010s Turkish Modern Cocktail Rings

Materials

Black Opal, Opal, Diamond, 14k Gold, Gold

Two Tone Semi Black Opal & Fire Opal Tsavorite Diamond Necklace 18K Yellow Gold
Located in Suwanee, GA
. ---------------------------------------------------------------------------------------------------- ABOUT THIS PRODUCT Solid 18k Yellow Gold Australian Semi-Black Opal, Oval Sha...
Category

2010s American Artist Pendant Necklaces

Materials

Diamond, Opal, Tsavorite, Black Opal, Fire Opal, 18k Gold, Yellow Gold

Opal, sapphire 14k gold earrings.
By Daizy Jewellery
Located in Istanbul, TR
Birthstone earrings. Oval cabochon opal earrings. Metal: 14k gold. Weight: 2.5 g. Size 25x 6 mm. Set with
Category

2010s Turkish Modern Dangle Earrings

Materials

Diamond, Opal, Sapphire, Gold, 14k Gold

Opal, sapphire 14k gold earrings.
Opal, sapphire 14k gold earrings.
Free Shipping
W 0.24 in L 0.99 in
Ruby and Opals Massive Ring
By Daizy Jewellery
Located in Istanbul, TR
, -7.50 ct, semi-transparent , purple-to red color. Opals: solid, round cabochon shape, 20 pieces
Category

2010s Turkish Modern Cocktail Rings

Materials

Opal, Ruby, Sterling Silver

Opal and Diamond Halo Ring
By Vicente Agor
Located in Berkeley, CA
of diamonds set in warm 18k gold. This stunning opal is from Ethiopia and is aprox. 2.25 ct. and
Category

2010s American Modern Cocktail Rings

Materials

Diamond, Opal, 18k Gold

Opal Diamond Gold Bangle Bracelet
Located in Berlin, DE
Fashionable jewelry creation by Jeweler Hohenberger. Oval bangle with elevated front. 5 opal
Category

21st Century and Contemporary Bangles

Materials

Diamond, Opal, 18k Gold, White Gold

14k Gold Opal and Diamonds Ring
By Daizy Jewellery
Located in Istanbul, TR
: Solid Opal: oval cabochon shape, mix color, semi transparent clarity, 1 piece, approx 1.5 ct Diamonds: 6
Category

2010s Turkish Modern Solitaire Rings

Materials

Diamond, Opal, 14k Gold

14k Gold Ring with Sapphires and Opals
By Daizy Jewellery
Located in Istanbul, TR
, transparent with inclusions, blue-green and orange colors. 6 pieces fire opals, orange color, marquise cut
Category

2010s Turkish Modern Fashion Rings

Materials

Opal, Sapphire, 14k Gold

Opal and White Diamond Cocktail Ring in Platinum
Located in Los Angeles, CA
Beautiful 3.95 ct. opal oval with 0.80 ct. good quality white diamond baguettes and rounds
Category

21st Century and Contemporary Cocktail Rings

Materials

White Diamond, Opal, Platinum

Syna Pink Opal Earrings with Diamonds
By Syna Jewels
Located in Fort Lee, NJ
Created in 18kyg Pink Opals 6 cts approx Diamonds 0.40 ct approx One of a kind Designed to evoke
Category

2010s American Contemporary Drop Earrings

Materials

Diamond, Opal, Brown Diamond, 18k Gold, Yellow Gold

Syna Pink Opal Earrings with Diamonds
Syna Pink Opal Earrings with Diamonds
W 0.67 in Dm 0.67 in L 1.07 in
Ribbon Wrap Mexican Fire Opal Diamond Engagement Ring
Located in Suwanee, GA
PRODUCT 18K Yellow Gold Australian Semi-Black Opal, 0.66 ct Diamond: 0.04 ct Opal Size: 7 x 6 mm Ring
Category

2010s American Arts and Crafts Engagement Rings

Materials

Diamond, Opal, Fire Opal, 18k Gold

Garavelli 18 Karat Rose Gold Mexican Fire Opal Giotto Ring
By Garavelli
Located in Valenza, IT
USA The gold head of the ring is diameter mm 8 height mm 4 The red mexican fire opal is ct :0.60
Category

2010s Italian Contemporary Solitaire Rings

Materials

Opal, Fire Opal, 18k Gold, Yellow Gold

Ring 18k Yellow White Gold Opal White Enamel 6 Diamonds 0.04ct G VS Pink Saphire
By Victor Mayer
Located in Pforzheim, DE
, White Gold Vitreous enamel: opal white Diamonds: 6 diamonds, total 0,04 ct, G VS brilliant cut, rosa
Category

21st Century and Contemporary German Contemporary Cocktail Rings

Materials

Pink Sapphire, Sapphire, Diamond, Enamel, Yellow Gold, White Gold, 18k Gold

14 Karat Yellow Gold Opal and Diamond Ring
Located in Washington Depot, CT
Vintage 14 Karat Yellow Gold Opal and Diamond Ring Size 6- This lovely ring features five oval
Category

20th Century Cocktail Rings

Materials

Diamond, Opal, Yellow Gold

Julius Cohen Fire Opal Camel Ring in 22 Kt Gold
By Julius Cohen
Located in Brooklyn, NY
Mexican Fire Opal Ring in 22 Kt Gold Containing one 1.11 Ct. Fire Opal Cabochon, for the
Category

2010s American Contemporary Fashion Rings

Materials

Opal, Fire Opal, 22k Gold, Gold

Semi Black Opal Split Shank Engagement Ring Pave Setting
Located in Suwanee, GA
Solid 18K Yellow Gold Australian Semi-Black Opal, 0.74 ct 30 Diamonds: 0.108 ct Opal Body Tone: N8 Opal
Category

2010s American Arts and Crafts Engagement Rings

Materials

Opal, Black Opal, 18k Gold

Fish Design 14k Gold Pendant with Opal and Diamond
By Daizy Jewellery
Located in Istanbul, TR
16 mm. Weight: 1.3 g. Set with opal: color - multi color Oval cabochon cut, 0.80 ct in total, 6 x 4
Category

2010s Turkish Modern Pendant Necklaces

Materials

Diamond, Opal, 14k Gold

14 Karat Yellow Gold Opal and Diamond Brooch / Pin
Located in Washington Depot, CT
brilliant cut diamond and five oval opals (6 mm x 4 mm each) set in beautifully detailed 14K yellow gold
Category

20th Century Brooches

Materials

Diamond, Opal, Yellow Gold

14 Karat Yellow Gold Tanzanite and Opal Ring #13769
Located in Washington Depot, CT
ring features one pear shaped tanzanite (9 mm x 6 mm) and two cabochon pear shaped white opals (8 mm x
Category

20th Century Cocktail Rings

Materials

Opal, Tanzanite, Yellow Gold

Fish Design 14k Gold Pendant with Opal and Diamond
By Daizy Jewellery
Located in Istanbul, TR
16 mm. Weight: 1.3 g. Set with opal: color - multi color Oval cabochon cut, 0.80 ct in total, 6 x 4
Category

2010s Turkish Modern Pendant Necklaces

Materials

Diamond, Opal, 14k Gold

14 K Gold Earrings with Opals, Diamonds and Sapphires
By Daizy Jewellery
Located in Istanbul, TR
. Size: 25 x 6 mm. Total weight: 2.5 g. Central stones: Natural opals 2 pieces Weight: approx 5.00 ct in
Category

2010s Russian Modern Dangle Earrings

Materials

Diamond, Opal, Sapphire, Gold, 14k Gold

14 K Gold Earrings with Opals, Diamonds and Sapphires
By Daizy Jewellery
Located in Istanbul, TR
. Size: 25 x 6 mm. Total weight: 2.5 g. Central stones: Natural opals 2 pieces Weight: approx 5.00 ct in
Category

2010s Russian Modern Dangle Earrings

Materials

Diamond, Opal, Sapphire, Gold, 14k Gold

18 Karat White Gold Diamonds, Rose Opal Pendant Necklace
By Gianni Lazzaro
Located in Duesseldorf, DE
18 Karat White Gold Diamonds and Rose Opal Pendant Necklace 6 Diamonds 0.20 ct. G-SI 1 Rose
Category

21st Century and Contemporary German Pendant Necklaces

Materials

Diamond, Opal, 18k Gold, White Gold

14 Karat Gold Pendant with Opal, Pearl and Diamonds
By Daizy Jewellery
Located in Istanbul, TR
, size - 8.2 x 6 mm, white color. 3. Diamonds: Round brilliant shape, weight - 4 pieces, 0.01 ct each
Category

2010s Turkish Modern Pendant Necklaces

Materials

Diamond, Opal, Pearl, Gold, 14k Gold

14 Karat Gold Pendant with Opal, Pearl and Diamonds
14 Karat Gold Pendant with Opal, Pearl and Diamonds
No Reserve
W 0.95 in D 0.28 in L 1.66 in
Beautiful Black Opal & Halo Diamond Engagement Ring 18K Yellow Gold
Located in Suwanee, GA
. ---------------------------------------------------------------------------------------------------- ABOUT THIS PRODUCT 18K Yellow Gold Australian Black Opal, 0.58 ct 11 White Di...
Category

2010s American Artist Engagement Rings

Materials

Diamond, Opal, Black Opal, 18k Gold, Yellow Gold

Asymmetrical Mexican Fire Opal Diamond Drop Earrings 18K Yellow Gold
Located in Suwanee, GA
Yellow Gold Mexican Fire Opal, 2.4 ct 6 Diamonds: 0.054 ct Earrings Size: 20x7 mm Opal Size:  9x7 mm
Category

2010s American Artist Drop Earrings

Materials

Diamond, Opal, Fire Opal, 18k Gold, Yellow Gold

Beautiful Mexican Fire Opal & Tsavorite Drop Earrings 18K Yellow Gold
Located in Suwanee, GA
. ---------------------------------------------------------------------------------------------------- ABOUT THIS PRODUCT Solid 18k Yellow Gold Mexican Fire Opal: 2.38 ct Tsavori...
Category

2010s American Artist Drop Earrings

Materials

Opal, Tsavorite, Fire Opal, 18k Gold, Yellow Gold

Minimalist Mexican Fire Opal Diamond Pendant Necklace 18K Yellow Gold
Located in Suwanee, GA
/bail) 6 Diamond: 0.013 ct Metal Color: Gold Opal Colors: Green, Orange, and Yellow. Occasion: Birthday
Category

2010s American Artist Pendant Necklaces

Materials

Diamond, Opal, Fire Opal, 18k Gold, Yellow Gold

Victorian Opal Opulence Ruby Eye Snake plus Hearth Pendant
Located in Napoli, IT
cabochon cut natural opal of 6.5 x 6 mm. – 2 oval cabochon cut natural rubies totalling approx.15 Ct
Category

Antique 1870s European Victorian Pendant Necklaces

Materials

Opal, Ruby, 9k Gold

Oval Shape Opal Cabochon & Diamond Ring in 14K Yellow Gold
Located in Los Angeles, CA
Gorgeous 1.82 ct. opal oval cabochon with good quality white diamond baguettes and rounds
Category

21st Century and Contemporary Cocktail Rings

Materials

Diamond, Opal, Yellow Gold

Exquisite 18K Gold Engagement Ring with Mexican Fire Opal Diamonds
Located in Suwanee, GA
. ---------------------------------------------------------------------------------------------------- ABOUT THIS PRODUCT Solid 18k Yellow Gold Mexican Fire Opal, 0.65 ct 6 Diamond...
Category

2010s American Arts and Crafts Engagement Rings

Materials

Diamond, Opal, Fire Opal, 18k Gold

14 Karat Gold Pendant with Opal, Pearl and Diamonds
By Daizy Jewellery
Located in Istanbul, TR
. Gemstones (all are tested by professional gemmologist): 1. Genuine opal: Oval cabochon cut, weight - 1.50 ct
Category

2010s Turkish Modern Pendant Necklaces

Materials

Diamond, Opal, Pearl, 14k Gold, Gold

14 Karat Gold Pendant with Opal, Pearl and Diamonds
14 Karat Gold Pendant with Opal, Pearl and Diamonds
Free Shipping
W 0.95 in D 0.28 in L 1.66 in
Snowflake Semi Black Opal & Diamond Engagement Ring 18K Yellow Gold
Located in Suwanee, GA
. ---------------------------------------------------------------------------------------------------- ABOUT THIS PRODUCT Solid 18K Yellow Gold Australian Semi Black Opal, 1.11 ct ...
Category

2010s American Arts and Crafts Engagement Rings

Materials

Diamond, Opal, Black Opal, Yellow Gold

Amazing Rainbow Color Boulder Opal Diamond Engagement Ring 18K Yellow Gold
Located in Suwanee, GA
: 0.113 ct 6 Tsavorite: 0.046 ct Opal Brightness: B4-B3 Ring Size: 7 Opal Colors: Red, Orange, Green
Category

2010s American Artist Engagement Rings

Materials

Diamond, Opal, Black Opal, Yellow Gold

Mexican Fire Opal Twist Band Engagement Ring 18K Yellow Gold
Located in Suwanee, GA
. ---------------------------------------------------------------------------------------------------- ABOUT THIS PRODUCT Solid 18K Yellow Gold Mexican Fire Opal, 0.79 ct Opal Size...
Category

2010s American Arts and Crafts Engagement Rings

Materials

Opal, Fire Opal, 18k Gold, Yellow Gold

Sunflower Mexican Fire Opal Diamond Engagement Ring 18K Yellow Gold
Located in Suwanee, GA
. ---------------------------------------------------------------------------------------------------- ABOUT THIS PRODUCT Solid 18K Yellow Gold Mexican Fire Opal, 0.57 ct 8 Diamond...
Category

2010s American Arts and Crafts Engagement Rings

Materials

Opal, Diamond, Fire Opal, 18k Gold, Yellow Gold

Adorable Cupcake Pendant Australian Black Opal Diamond Necklace 18K Yellow Gold
Located in Suwanee, GA
. ---------------------------------------------------------------------------------------------------- ABOUT THIS PRODUCT Solid 18K Yellow Gold Australian Black Opal: 0.575 ct 2 ...
Category

2010s American Artist Pendant Necklaces

Materials

Diamond, Opal, Black Opal, 18k Gold, Yellow Gold

1930s 3.83 Carat Black Opal and 1.15 Carat Diamond Platinum Cocktail Ring
Located in Jesmond, Newcastle Upon Tyne
A stunning antique 1930s 3.83 Ct black opal and 1.15 Ct diamond, platinum cocktail ring; part of
Category

Vintage 1930s Unknown Cocktail Rings

Materials

Black Opal, Diamond, Opal, Platinum

Heart Shaped Australian Solid Opal Necklace 14k Yellow Gold
Located in Suwanee, GA
. ---------------------------------------------------------------------------------------------------- ABOUT THIS PRODUCT Solid 14k Yellow Gold Australian Solid Opal, Pear Shaped, ...
Category

2010s American Artist Pendant Necklaces

Materials

Opal, Yellow Gold

1970 Vintage Opal Diamonds Necklace 18 Karat White Gold
Located in Zurich, Zollstrasse
brilliant cut Diamonds weighing approximately 6 ct, G color, vs clarity. Length: 40 cm Dimension of the
Category

Vintage 1970s Swiss Modern Pendant Necklaces

Materials

Diamond, Opal, 18k Gold, White Gold

Contemporary Black Opal and Diamond White Gold Ring with AGL Report
By DSL
Located in Lexington, KY
ring is currently sized at a 6. The black opal has a total weight of 0.61 ct. The diamonds have an
Category

21st Century and Contemporary Contemporary Fashion Rings

Materials

Black Opal, Opal, Diamond, White Gold

14 Carat Oval Shape Ethiopian Opal Cocktail Ring in Platinum
Located in New York, NY
14 Carat Oval Shape Ethiopian Opal Cocktail Ring in Platinum Size 6 Oval Natural Opal A classic
Category

2010s Cocktail Rings

Materials

Opal, Platinum

Hexagon Mexican Fire Opal Halo Diamond Engagement Ring 18K Yellow Gold
Located in Suwanee, GA
. ---------------------------------------------------------------------------------------------------- ABOUT THIS PRODUCT Solid 18K Yellow Gold Mexican Fire Opal: 0.80 ct 24 Diam...
Category

2010s American Artist Engagement Rings

Materials

Diamond, Opal, Fire Opal, 18k Gold, Yellow Gold

Halo Diamond Australian Semi-Black Opal Tsavorite Engagement Ring 18K Gold
Located in Suwanee, GA
Garnet: 0.035 ct Opal Body Tone: N5 Opal Brightness: B3 Bright Opal Size: 6 x 5 mm Ring Size: 7 Opal
Category

2010s American Arts and Crafts Engagement Rings

Materials

Diamond, Opal, Tsavorite, Black Opal, 18k Gold

Retro 18kt White Gold Diamond And 15ct Cabochon Opal Ring
Located in Firenze, IT
Ring in 750°/°°(18K) white gold, set with a beautiful oval cabochon opal weighing approx. 15 ct
Category

Vintage 1970s Italian Retro Fashion Rings

Materials

Diamond, Opal, White Gold

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6 Ct Opal For Sale on 1stDibs

On 1stDibs, you can find the most appropriate 6 ct opal for your needs in our varied inventory. Each design created in this style — which was crafted with great care and often made from Gold, 18k Gold and Yellow Gold — can elevate any look. Find an antique version now, or shop for 55 vintage or 200 modern creation for a more contemporary example of these cherished accessories. Making the right choice when shopping for a 6 ct opal may mean carefully reviewing examples of this item dating from different eras — you can find an early iteration of this piece from the 19th Century and a newer version made as recently as the 21st Century, both of which have proven very popular over the years. Creating a 6 ct opal has been a part of the legacy of many jewelers, but those produced by Renata Bernard, LB Exclusive and Sarosi By Timeless Gems are consistently popular. Today, if you’re looking for a cabochon version of this piece and are unable to find the perfect match, our selection also includes mixed cut and oval cut alternatives. Finding a 6 ct opal for sale for women should be easy, but there are 34 pieces available to browse for unisex as well as men, too.

How Much is a 6 Ct Opal?

The price for a 6 ct opal starts at $180 and tops out at $235,400 with these rings, on average, selling for $5,700.