Results for “Black Opal”

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Natural Black Opal Ring: This ring features a natural black opal as the main stone, showcasing a unique iridescent glow. Expertly set in an S925 silver base, it exudes elegance and luxury. The main stone measures 4mm, with an

12 hrs Left

Natural Black Opal Ring

Est.

£600

-

£1,200

£300

Hans AuctionSouth Croydon, Croydon

3.50ct Black Opal, 2.00ctw Diamond and Platinum Ring: 3.50ct Black Opal, 2.00ctw SI1-SI2/G-H Diamond and Solid Platinum Ring - THIS ITEM WILL COME WITH A $13,000 INSURANCE VALUATION REPORT. This ring is crafted of solid platinum and boasts an approximate

3 days Left

3.50ct Black Opal, 2.00ctw Diamond and Platinum Ring

Est.

US$12,000

-

US$13,000

US$1,000

GWS Auctions Inc.Maitland, FL

Roberto Giulio Rida (1943) Coriandoli Pair of coffee tables Wood, black opal glass, and Murano glass: Roberto Giulio Rida (1943)CoriandoliPair of coffee tablesWood, black opal glass, and Murano glass cabochonsOne-of-a-kind pieceSigned "R. G. Rida"

13 hrs Left

Roberto Giulio Rida (1943) Coriandoli Pair of coffee tables Wood, black opal glass, and Murano glass

Est.

€1,200

-

€1,800

€1,200

Francois Epin AuctionParis, Ile de France

BLACK OPAL & DIAMOND CLUSTER RING PLATINUM 0.539 CT COA: A striking platinum black opal and diamond cluster ring, centred with a natural oval cabochon black opal weighing approximately 0.539 carats. The opal displays vibrant green and blue play-of-colour ag

3 days Left

BLACK OPAL & DIAMOND CLUSTER RING PLATINUM 0.539 CT COA

Est.

US$1,600

-

US$2,400

US$50

Antique Arena Inc.Brooklyn, NY

Platinum Black Opal and Diamond Dress Ring: A platinum dress ring featuring a central oval cabochon-cut opal. The opal displays a dark body tone with green and blue play-of-color and is held in a four-prong basket setting. The shoulders of the

7 days Left

Platinum Black Opal and Diamond Dress Ring

Est.

US$10

-

US$100,000

US$10

Gallery 63Atlanta, GA

7.80ct Black Opal Oval 14k Yellow Gold Drop Style Earrings (2.7g): Winner shall receive the exact Item shown here. (MR)

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7.80ct Black Opal Oval 14k Yellow Gold Drop Style Earrings (2.7g)

Est.

US$2,700

-

US$5,400

US$2

Coins and Auctions Since 1994Vancouver, WA

18K Gold Natural Black Opal Ring: This ring is meticulously set in 18K gold, showcasing the unique color patterns of the black opal, which are truly breathtaking. Its exquisite craftsmanship and substantial texture exude elegance and

Jul 08, 2026

18K Gold Natural Black Opal Ring

Est.

US$14,000

-

US$28,000

US$10

TOISHINSEI Co., Ltd.Osaka, JP

Platinum 1.73 Black Opal and 0.31ctw Diamond Cocktail Ring: This platinum cocktail ring centers on an oval-cut black opal weighing approximately 1.73 carats. The stone displays vibrant play-of-color with electric green and deep blue flashes in a broad-fire pat

7 days Left

Platinum 1.73 Black Opal and 0.31ctw Diamond Cocktail Ring

Est.

US$10

-

US$100,000

US$10

Gallery 63Atlanta, GA

Pt900 Black Opal Diamond Ring: Type: Ring Metal:Platinum Diamond:1.65ct Size:6(US) Signed By: N/A

3 days Left

Pt900 Black Opal Diamond Ring

Est.

US$3,200

-

US$6,600

US$3,150

Koufuku.co LimitedKowloon, HK

GIA Black Opal 18k Yellow Gold Cocktail Ring with Diamond Sides: GIA Black Opal 18k Yellow Gold Cocktail Ring with Diamond Sides This elegant cocktail ring features a natural black opal with captivating blue and light green play of colors, certified by GIA. The opa

11 hrs Left

GIA Black Opal 18k Yellow Gold Cocktail Ring with Diamond Sides

Est.

US$3,432

-

US$4,461

US$100

Mynt AuctionsNew York, NY

PLATINUM 0.54CT DIAMOND AND BLACK OPAL RING: Rare and distinct, this 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 that leave th

2 days Left

PLATINUM 0.54CT DIAMOND AND BLACK OPAL RING

Est.

US$3,300

-

US$13,200

US$3,200

Robinhood AuctionsLas Vegas, NV

3.17ctw Black Spinel & Fire Opal Ring in Rhodium-Plated Sterling Silver: 3.17ctw Black Spinel & Fire Opal Ring A dramatic contrast of deep black spinel and fiery opal totaling 3.17ctw, securely set in rhodium-plated sterling silver. Size:<

Jul 19, 2026

3.17ctw Black Spinel & Fire Opal Ring in Rhodium-Plated Sterling Silver

Est.

US$150

-

US$400

US$50

Kings Auctions IncLas Vegas, NV

Vintage 14k Yellow Gold Black Opal Cufflinks Natural Gemstones: Vintage 14k Yellow Gold Black Opal Cufflinks Natural Gemstones Elevate your style with these vintage cufflinks, expertly crafted from 14k solid yellow gold. Each cufflink features a stunning natural b

5 days Left

Vintage 14k Yellow Gold Black Opal Cufflinks Natural Gemstones

Est.

US$2,821

-

US$3,667

US$100

BidhausNew York, NY

Beautiful 6.49 CT Natural Black Opal Ring With Natural Black Diamond & 18k Gold: Title: Beautiful 6.49 CT Natural Black Opal Ring With Natural Black Diamond & 18k Gold Description: Beautiful 6.49 CT Natural Black Opal Ring With Natural Black Diamond and 18k Gold. 6

Beautiful 6.49 CT Natural Black Opal Ring With Natural Black Diamond & 18k Gold

Est. —

£425

William GeorgeBedfordshire

Platinum 2.29ctw Black Boulder Opal Diamond Cluster Cocktail Ring: Platinum 2.29ctw Black Boulder Opal Diamond Cluster Cocktail Ring This modern cocktail ring showcases an exquisite 2.29 carat total weight featuring a stunning natural genuine boulder opal at its cent

Jul 05, 2026

Platinum 2.29ctw Black Boulder Opal Diamond Cluster Cocktail Ring

Est.

US$2,002

-

US$2,602

US$100

BidhausNew York, NY

Beautiful 5.22 CT Natural Black Opal Ring With Natural Black Diamond & 18k Gold: Title: Beautiful 5.22 CT Natural Black Opal Ring With Natural Black Diamond & 18k Gold Description: Beautiful 5.22 CT Natural Black Opal Ring With Natural Black Diamond and 18k Gold. 5

Beautiful 5.22 CT Natural Black Opal Ring With Natural Black Diamond & 18k Gold

Est. —

£600

William GeorgeBedfordshire

3.70 Ct Natural Black Flashing Fire Opal Pear Cab Pair: Weight - 3.70 Ct / Dimensions - 12.20 x 8.10 x 4.50 mm / 2 PC's / Shape - Pear Cab / Color - Black / Clarity - Translucent / Origin - Ethiopia / Treatment - Color Smoked

Buy Now

3.70 Ct Natural Black Flashing Fire Opal Pear Cab Pair

US$49

Gems AuctionBangkok, TH

Beautiful 7.45 CT Natural Black Opal Ring With Natural Black Diamond & 18k Gold: Title: Beautiful 7.45 CT Natural Black Opal Ring With Natural Black Diamond & 18k Gold Description: Beautiful 7.45 CT Natural Black Opal Ring With Natural Black Diamond and 18k Gold. 7

Beautiful 7.45 CT Natural Black Opal Ring With Natural Black Diamond & 18k Gold

Est. —

£550

William GeorgeBedfordshire

Jul 11, 2026

BLACK OPAL DESIGN RING PLATINUM RING

Est.

US$1,800

-

US$2,640

US$25

NY Elizabeth Beverly Hills, CA

Pt900 Black Opal Diamond Ring: Type: Ring Metal:Platinum Black Opal:3.47ct Diamond:1.16ct Size:6(US) Signed By: N/A

3 days Left

Pt900 Black Opal Diamond Ring

Est.

US$1,800

-

US$1,900

US$900

Koufuku.co LimitedKowloon, HK

Platinum GIA Certified 1.30ctw Black Opal Diamond Cocktail Ring: Platinum GIA Certified 1.30ctw Black Opal Diamond Cocktail Ring This exquisite vintage cocktail ring features a stunning natural black opal set in solid platinum. The centerpiece is a prong-set caboch

17 hrs Left

Platinum GIA Certified 1.30ctw Black Opal Diamond Cocktail Ring

Est.

US$2,249

-

US$2,923

US$100

BidhausNew York, NY

14K Yellow Gold Adjustable Black Opal Pendant Necklace 1.42ct: 14K Yellow Gold Adjustable Black Opal Pendant Necklace 1.42ct This stunning pendant necklace features a natural black opal, elegantly set in solid 14k yellow gold. The opal is an elongated oval caboch

8 hrs Left

14K Yellow Gold Adjustable Black Opal Pendant Necklace 1.42ct

Est.

US$1,729

-

US$2,247

US$100

BidhausNew York, NY

3 days Left

PT900 BLACK OPAL DIAMOND RING

Est.

US$3,450

-

US$5,060

US$25

NY Elizabeth Beverly Hills, CA

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

7 days Left

1.48 Carat Black Opal and Diamond Platinum Ring Size 6

Est.

US$2,756

-

US$3,582

US$100

BidhausNew York, NY

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