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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

Natural 26.16 Ct Rainbow Heart Australian Boulder Opal
Natural 26.16 Ct Rainbow Heart Australian Boulder Opal
Free Shipping
W 0.86 in D 0.24 in L 0.88 in
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

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

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

Citrine, Opal, Sapphire, Black Opal, Silver, Sterling Silver, Gold Plate...

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

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

6.55 Ct. Opal Blue Sapphire Diamond Art Deco Style Cocktail Ring in 18K Gold
Located in Bangkok, TH
The soft milky white hue of marquise shaped cabochon opal that glows at the center of this alluring
Category

21st Century and Contemporary Thai Art Deco Cocktail Rings

Materials

Diamond, Opal, Blue Sapphire, 18k Gold, White Gold

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

Diamond, Emerald, Opal, 14k Gold, White 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

Diamond, Opal, Black Opal, Gold, 14k 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.
No Reserve
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

Opal Diamond Gold Bangle Bracelet
Opal Diamond Gold Bangle Bracelet
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H 1.97 in W 2.36 in
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
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W 0.67 in Dm 0.67 in L 1.07 in
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

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

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

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

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

Fish Design 14k Gold Pendant with Opal and Diamond
By Daizy Jewellery
Located in Istanbul, TR
. Size: 18 x 16 mm. Weight: 1.3 g. Set with opal: color - multi color Oval cabochon cut, 0.80 ct in
Category

2010s Turkish Modern Pendant Necklaces

Materials

Diamond, Opal, 14k 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
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

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
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W 0.95 in D 0.28 in L 1.66 in
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

Opal, Diamond, Black Opal, Platinum

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

Diamond, Opal, Black Opal, 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

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

18 kt. Yellow Gold Ring & Necklace With Opals and Diamonds
Located in Antwerp, BE
cut diamonds together approx. 0.49 ct. Opal: Gorgeous oval shape opal stone, 10.4 mm x 19.6 mm
Category

20th Century European Artisan Signet Rings

Materials

Diamond, Opal, 18k Gold, Yellow Gold

English Opal and Rose-cut Diamond Three Stone Ring
Located in New York, NY
Set in 18K gold, this opal and diamond ring dates from circa 1900. It is set with three slightly
Category

Early 20th Century English Three-Stone Rings

Materials

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

Opal Silver Ring Gold Plated Blue Natural special person gift
Located in Berlin, DE
- 5 ct ring weight - 5.21 grams ring size - 6 1/4 US gemstone size - 0.2 х 0.39 x 0.43 in / 5 х 10 х
Category

2010s German Artist Cocktail Rings

Materials

Opal, 18k Gold, Gold Plate, Silver

14 Karat White Gold Tanzanite, Diamond and Opal Inlay Earrings #13738
Located in Washington Depot, CT
cut diamonds set in 14K white gold. Omega back closures. Total tanzanite weight: 1.80 ct. Total opal
Category

20th Century Drop Earrings

Materials

Diamond, Opal, Tanzanite, White Gold

Round Opal and Diamond Cocktail Ring 18 Karat White Gold, Estate
Located in New York, NY
3 ct 18 Karat White Gold Weight: 12 gram Ring Size 6
Category

2010s Cocktail Rings

Materials

Diamond, Opal, 18k Gold

Modern Cylindrical Design Fire Opal and White Gold Ring 1970s
Located in New York, NY
A fire opal and 18 karat white gold cylindrical design ring, c. 1970. The ring is size 6 and with a
Category

Vintage 1970s Unknown Modernist Cocktail Rings

Materials

Opal, 18k Gold, White Gold

14 Karat Yellow Gold Opal and Diamond Butterfly Ring Size 7.25
Located in Washington Depot, CT
features one oval opal (9 mm x 6 mm) and two round brilliant cut diamonds set in beautifully detailed 14K
Category

20th Century Cocktail Rings

Materials

Diamond, Opal, Yellow Gold

10.05 carats, Ethiopian Opal, Ceylon Multi Sapphires & Diamonds Cocktail Ring
By JEWEL HUB
Located in Hong Kong, HK
A very gorgeous and beautiful, one of a kind, Opal & Multi Sapphires Cocktail Ring set in 18K Gold
Category

21st Century and Contemporary Indian Art Deco Cocktail Rings

Materials

Diamond, Opal, Sapphire, 18k Gold

9.25 carats, Ethiopian Opal, Blue & Pink Sapphires & Diamonds Cocktail Ring
By JEWEL HUB
Located in Hong Kong, HK
Jewelry ✦ Gemstone: Ethiopian Opal ✦ Gemstone Cut: Trillion cabochon ✦ Gemstone Weight: 9.25 ct. Approx
Category

21st Century and Contemporary Indian Modern Cocktail Rings

Materials

Diamond, Opal, Blue Sapphire, Pink Sapphire, 18k Gold

18K Gold, 8.92 carats, Ethiopian Opal, Multi Sapphires & Diamonds Cocktail Ring
By JEWEL HUB
Located in Hong Kong, HK
: Ethiopian Opal ✦ Gemstone Cut: Rectangular Cabochon ✦ Gemstone Weight: 8.92 ct. Approx. ✦ Gemstone
Category

21st Century and Contemporary Indian Modern Cocktail Rings

Materials

Diamond, Opal, Sapphire, 18k Gold

Set in 18K Gold, Ethiopian Opal, Tanzanite & Diamonds Cocktail Engagement Ring
By JEWEL HUB
Located in Hong Kong, HK
A very gorgeous and beautiful, modern style Opal & Tanzanite Cocktail Engagement Ring set in 18K
Category

21st Century and Contemporary Indian Modern Engagement Rings

Materials

Diamond, Opal, Tanzanite, 18k Gold

24kt Gold and Silver Oval, Pearlescent Opal Ring with Side Diamonds
Located in Bozeman, MT
. , Opal - 1.80 ct, Diamonds - 0.04 ct, Sterling silver - 1.37 g, 24kt gold - 1.43 g, Size 6 US
Category

2010s Turkish Contemporary Dome Rings

Materials

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

Lightning Ridge Opal Chrysophrase Paraiba Tourmaline White Diamond Mosaic Ring
By Joke Quick
Located in Antwerp, BE
breathtaking mosaic pattern. 18K Rose gold 9.5 g 5 X Semi Black Opal Lightning Ridge : 1.66 ct. 16 X
Category

2010s Belgian Artist Fashion Rings

Materials

Chrysophrase, Diamond, White Diamond, Opal, Tourmaline, Paraiba, 18k Gol...

1.29 Carat Natural Opal and Diamond 14 Karat Rose Gold Ring
Located in New York, NY
Natural Opal and 36 Pcs Round White Diamonds in GH- I1 quality with 0.18 Ct in a prong-setting. This Ring
Category

20th Century Chinese Art Deco Fashion Rings

Materials

Diamond, Opal, Gold, 14k Gold, Rose Gold

1.14 Carat Ethiopian Opal and Diamond 14 Karat Rose Gold Ring
Located in New York, NY
& 26 Round Diamonds in GH- I1 quality with 0.16 ct. in a prong-setting. This ring comes in sizes 6 to 9
Category

20th Century Chinese Art Deco Fashion Rings

Materials

Diamond, Opal, Gold, 14k Gold, Rose 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.