Results for “Black Opal”

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Platinum 5.50ct GIA Australian Black Opal Diamond Cocktail Ring: Platinum 5.50ct GIA Australian Black Opal Diamond Cocktail Ring This exquisite cocktail ring features a stunning 5.00ct natural Australian oval black opal, beautifully showcased with a play of colors

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Platinum 5.50ct GIA Australian Black Opal Diamond Cocktail Ring

$9,230

Diamond DepotNew York, NY

Pt900 Black Opal Diamond Ring: Type: Ring Metal:PlatinumWeight:12.8gramsDiamond:1.65ctSize:6(US)Condition: Pre-OwnedSigned By: N/A

May 30, 2026

Pt900 Black Opal Diamond Ring

Est. $3,200-$6,600

$3,150

Koufuku.co LimitedKowloon, HK

Platinum GIA Certified 2.33ct Black Opal Baguette Diamond Cocktail Ring: Platinum GIA Certified 2.33ct Black Opal Baguette Diamond Cocktail Ring This stunning cocktail ring showcases a breathtaking natural black opal in a double cabochon cut, weighing 1.66 carats, set in s

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Platinum GIA Certified 2.33ct Black Opal Baguette Diamond Cocktail Ring

$4,730

Diamond DepotNew York, NY

Unusual black opal and 70pts diamond 3 stone ring in 18ct yellow gold and platinum: Unusual black opal and 70pts diamond 3 stone ring in 18ct yellow gold and platinum A beautiful .70pts diamond complimented either side by the brightest, most colourful opal stones!

Starts May 12

Unusual black opal and 70pts diamond 3 stone ring in 18ct yellow gold and platinum

Est. £800-£850

£500

Banks Jewellery Auctions Gloucestershire

Ray Tracey 14K Yellow Gold Black Jade Fire Opal Diamond Cuff Bracelet: Ray Tracey 14K Yellow Gold Black Jade Fire Opal Diamond Cuff Bracelet This stunning cuff bracelet showcases a harmonious blend of 14K yellow gold, black jade, fire opal, and diamonds. Handcrafted with

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Ray Tracey 14K Yellow Gold Black Jade Fire Opal Diamond Cuff Bracelet

$7,550

BidhausNew York, NY

Platinum GIA Certified 3.65ct Black Opal Diamond Halo Ring: Platinum GIA Certified 3.65ct Black Opal Diamond Halo Ring This exquisite cocktail ring showcases a stunning elongated oval black opal, certified by GIA, and is beautifully framed by a halo of natural

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Platinum GIA Certified 3.65ct Black Opal Diamond Halo Ring

$6,600

Diamond DepotNew York, NY

Platinum 0.54ct Diamond and Black Opal Ring: Rare and distinct, this Exclusive piece features a 4.65-carat black opal carrying blue and green flashes across a dark base. It is set high on a 2mm platinum band and held by four slim claw prongs tha

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Platinum 0.54ct Diamond and Black Opal Ring

$5,000

Eastern European Art Gallery IncBroomall, PA

BAGLEY & HOTCHKISS 18K YELLOW GOLD BLACK OPAL INLAY & DIAMOND RING 12.5G: BAGLEY & HOTCHKISS 18K YELLOW GOLD BLACK OPAL INLAY & DIAMOND RING 12.5G Bagley & Hotchkiss 18K Yellow Gold Black Opal Inlay & Diamond Ring 12.5g Ring Size: 5.75 - Can Be Resized Metal: 18k Yellow Gol

May 31, 2026

BAGLEY & HOTCHKISS 18K YELLOW GOLD BLACK OPAL INLAY & DIAMOND RING 12.5G

Est. $3,901-$4,360

$3,200

Modern JewelryValley Village, CA

Opal and Black Onyx Cocktail Ring in 14k Yellow Gold Twisted Frame: Opal and Black Onyx Cocktail Ring in 14k Yellow Gold Twisted Frame This vintage cocktail ring features a natural oval-cut opal inlaid in black onyx, set within a twisted wire frame of solid 14k yellow

5 days Left

Opal and Black Onyx Cocktail Ring in 14k Yellow Gold Twisted Frame

Est. $2,846-$3,201

$810

Diamond DepotNew York, NY

Platinum GIA Certified 2.93ct Black Opal Diamond Halo Ring: Platinum GIA Certified 2.93ct Black Opal Diamond Halo Ring This exquisite cocktail ring features a stunning 2.10ct natural genuine black opal, elegantly set in an oval double cabochon cut. The opal sh

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Platinum GIA Certified 2.93ct Black Opal Diamond Halo Ring

$3,500

Diamond DepotNew York, NY

Platinum GIA Certified 4.04ctw Black Opal Diamond Ballerina Ring: Platinum GIA Certified 4.04ctw Black Opal Diamond Ballerina Ring This exquisite ballerina cocktail ring features a stunning elongated oval black opal at its center, showcasing a remarkable play of gre

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Platinum GIA Certified 4.04ctw Black Opal Diamond Ballerina Ring

$3,820

Diamond DepotNew York, NY

1.48 Carat Black Opal and Diamond Platinum Ring Size 6: 1.48 Carat Black Opal and Diamond Platinum Ring Size 6 This platinum ring features a 1.48 carat black opal as its centerpiece, accented by approximately 1.00 carat of diamonds with G-H color and VS1-S

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1.48 Carat Black Opal and Diamond Platinum Ring Size 6

$2,690

Diamond DepotNew York, NY

Platinum GIA Certified 2.27ctw Black Opal Diamond Cocktail Ring: Platinum GIA Certified 2.27ctw Black Opal Diamond Cocktail Ring This stunning cocktail ring showcases an exquisite natural black opal, expertly cut in an oval cabochon shape, measuring 8.99 x 7.01 x 3

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Platinum GIA Certified 2.27ctw Black Opal Diamond Cocktail Ring

$3,820

Diamond DepotNew York, NY

RARE 4.92 ct. Floral Flash Play of Color Black Opal: RARE 4.92 ct. Floral Flash Play of Color Black Opal - ETHIOPIA Cut - Pear Cabochon Color - Black with play of color Ct. Weight - 4.92 ct. Clarity - Opaque Dimensions - 15.00 x 11.60 x 6.30 mm<

5 days Left

RARE 4.92 ct. Floral Flash Play of Color Black Opal

Est. $3,000-$5,000

$100

Kissing AuctionDelhi, New Delhi

GIA Certified 2.69ctw Black Opal Diamond Halo Platinum Ring: GIA Certified 2.69ctw Black Opal Diamond Halo Platinum Ring This exquisite cocktail ring features a stunning natural black opal set in solid platinum, beautifully complemented by a twisted shoulder di

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GIA Certified 2.69ctw Black Opal Diamond Halo Platinum Ring

$2,890

Diamond DepotNew York, NY

11.45 Carats AAA Quality Natural Black Opal Ethopia - 22X12X8 mm: 11.45 Carats AAA Quality Natural Black Opal Ethopia - 22X12X8 mm Shipping Rate: $15.00 .shipping rates are determined by Parcel weight and destination.Combined shipping: We offer combine shipping on m

2 days Left

11.45 Carats AAA Quality Natural Black Opal Ethopia - 22X12X8 mm

Est. $500-$750

$340

Fantasy JewelryMuscat, AE

14K Yellow Gold Mosaic Opal Black Onyx Wide Band Ring Size 11: 14K Yellow Gold Mosaic Opal Black Onyx Wide Band Ring Size 11 This striking band ring is crafted from solid 14K yellow gold and features a stunning mosaic design on its domed top, showcasing natural o

5 days Left

14K Yellow Gold Mosaic Opal Black Onyx Wide Band Ring Size 11

Est. $2,054-$2,311

$670

Diamond DepotNew York, NY

8.35 Carats AAA Quality Natural Black Opal From Ethopia - 16X13X9 mm: 8.35 Carats AAA Quality Natural Black Opal From Ethopia - 16X13X9 mmShipping Rate: $15.00 .shipping rates are determined by Parcel weight and destination.Combined shipping: We offer combine shipping o

2 days Left

8.35 Carats AAA Quality Natural Black Opal From Ethopia - 16X13X9 mm

Est. $400-$500

$290

Fantasy JewelryMuscat, AE

Platinum 1.67ct Black Opal Diamond Cocktail Ring: Platinum 1.67ct Black Opal Diamond Cocktail Ring This exquisite cocktail ring showcases a stunning 1.46ct natural black opal in an elegant oval cabochon cut, securely prong set to highlight its captiv

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Platinum 1.67ct Black Opal Diamond Cocktail Ring

$1,600

Mynt AuctionsNew York, NY

VINTAGE 10K GOLD RING, NATURAL OPAL AND BLACK PORCELAIN INLAY ( SIZE: 6 ) 11.3G: VINTAGE WOMEN'S 10K YELLOW GOLD RING WITH NATURAL OPAL AND BLACK PORCELAIN INLAY Vintage Women's 10k Yellow Gold Ring with Natural Opal and Black Porcelain Inlay You are bidding on a pre-owned Vintage

May 24, 2026

VINTAGE 10K GOLD RING, NATURAL OPAL AND BLACK PORCELAIN INLAY ( SIZE: 6 ) 11.3G

Est. $2,039-$2,279

$1,675

Modern JewelryValley Village, CA

heavy / chunky 14ct white gold black opal and diamond signet style ring: heavy / chunky 14ct white gold black opal and diamond signet style ring Amazing colours!

heavy / chunky 14ct white gold black opal and diamond signet style ring

Est. £750-£800

£560

Banks Jewellery Auctions Gloucestershire

7.05 Carats AAA Quality Natural Fire Black Opal - 16X12X8 mm: 7.05 Carats AAA Quality Natural Fire Black Opal - 16X12X8 mm Shipping Rate: $15.00 .shipping rates are determined by Parcel weight and destination.Combined shipping: We offer combine shipping on multi

2 days Left

7.05 Carats AAA Quality Natural Fire Black Opal - 16X12X8 mm

Est. $350-$400

$220

Fantasy JewelryMuscat, AE

6.45 Carats AAA Quality Natural Fire Black Opal - 15X12X7 mm: 6.45 Carats AAA Quality Natural Fire Black Opal - 15X12X7 mmShipping Rate: $15.00 .shipping rates are determined by Parcel weight and destination.Combined shipping: We offer combine shipping on multip

2 days Left

6.45 Carats AAA Quality Natural Fire Black Opal - 15X12X7 mm

Est. $300-$400

$220

Fantasy JewelryMuscat, AE

2.45 ct Pear Multicolor Black Opal: 2.45 ct Pear Multicolor Black Opal Introducing the Pear Multicolor Black Opal, a striking natural gemstone weighing 2.45 carats. This Ethiopian opal showcases a vibrant play of multicolored hues acros

2 days Left

2.45 ct Pear Multicolor Black Opal

Est. $300-$400

$160

Weatherham Estate TreasuresCobourg, ON

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