Opal

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GIA Certified 2.72ctw Black Opal Platinum Cocktail Ring with Diamonds: GIA Certified 2.72ctw Black Opal Platinum Cocktail Ring with Diamonds This stunning cocktail ring showcases a mesmerizing natural black opal at its center, elegantly framed by sparkling diamonds. The

3 days Left

GIA Certified 2.72ctw Black Opal Platinum Cocktail Ring with Diamonds

Est. $7,923-$9,587

Victorian Era 15ct Yellow Gold Jabot Pin with Opal and Ruby Cross Motif: Victorian Era 15ct Yellow Gold Jabot Pin with Opal and Ruby Cross Motif This antique Victorian jabot pin brooch features a cross design set with natural old cut opals and rubies. Crafted in solid 15ct

6 days Left

Victorian Era 15ct Yellow Gold Jabot Pin with Opal and Ruby Cross Motif

Est. $3,919-$4,742

14K Gold 19.88cts Opal & 11.76cts Diamond Necklace: Retail: $90,743*****14K Gold Opal & Diamond Necklace*****Metal: 14K Yellow Gold/ Total Wt.: none / Country Made US// Main Stone: Opal / Carat Total Wt.: 19.88cts / Treatment: none / Color: none / Cut:

23 hrs Left

14K Gold 19.88cts Opal & 11.76cts Diamond Necklace

Prestige Auction Galleries

Est. $65,334-$90,743

14K Gold 19.88cts Opal & 11.76cts Diamond Necklace: Retail: $90,743*****14K Gold Opal & Diamond Necklace*****Metal: 14K Yellow Gold/ Total Wt.: none / Country Made US// Main Stone: Opal / Carat Total Wt.: 19.88cts / Treatment: none / Color: none / Cut:

2 days Left

14K Gold 19.88cts Opal & 11.76cts Diamond Necklace

Prestige Auction Galleries

Est. $65,334-$90,743

14K Gold 19.88cts Opal & 11.76cts Diamond Necklace: Retail: $90,743*****14K Gold Opal & Diamond Necklace*****Metal: 14K Yellow Gold/ Total Wt.: none / Country Made US// Main Stone: Opal / Carat Total Wt.: 19.88cts / Treatment: none / Color: none / Cut:

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14K Gold 19.88cts Opal & 11.76cts Diamond Necklace

Prestige Auction Galleries

Est. $65,334-$90,743

14K Gold 19.88cts Opal & 11.76cts Diamond Necklace: Retail: $90,743*****14K Gold Opal & Diamond Necklace*****Metal: 14K Yellow Gold/ Total Wt.: none / Country Made US// Main Stone: Opal / Carat Total Wt.: 19.88cts / Treatment: none / Color: none / Cut:

3 days Left

14K Gold 19.88cts Opal & 11.76cts Diamond Necklace

Prestige Auction Galleries

Est. $65,334-$90,743

14K Gold 19.88cts Opal & 11.76cts Diamond Necklace: Retail: $90,743*****14K Gold Opal & Diamond Necklace*****Metal: 14K Yellow Gold/ Total Wt.: none / Country Made US// Main Stone: Opal / Carat Total Wt.: 19.88cts / Treatment: none / Color: none / Cut:

4 days Left

14K Gold 19.88cts Opal & 11.76cts Diamond Necklace

Prestige Auction Galleries

Est. $65,334-$90,743

4 days Left

OPAL DIAMOND ROYAL BLUE SAPPHIRE 18K GOLD

Est. $3,300-$4,840

Larry M Chavez Navajo Multistone Inlay Pendant: Gorgeous - Larry M Chavez Navajo Sterling Multistone (Gaspeite, Opal, Turquoise?) Inlay Pendant - 26.1g

Apr 18, 2026

Larry M Chavez Navajo Multistone Inlay Pendant

Retro Roadshow Auctions

Est. $100-$200

Two vintage marked sterling pendants: Two vintage marked sterling pendants. Turquoise and boulder opal 1 ¾ inches tall. Beautiful colors. In very good original as found condition. Great quality and detail. For in house shipping, pl

Apr 12, 2026

Two vintage marked sterling pendants

Thriftiques of Iowa

Est. $10-$1,000

18k Yellow Gold Boulder Opal Diamond Pendant Necklace with Rope Chain: 18k Yellow Gold Boulder Opal Diamond Pendant Necklace with Rope Chain This exquisite pendant necklace features a stunning freeform boulder opal, showcasing a captivating blue base enhanced by a remark

5 days Left

18k Yellow Gold Boulder Opal Diamond Pendant Necklace with Rope Chain

Est. $6,240-$7,551

Antique Victorian Yellow Gold Opal Dangle Earrings Natural Cabochon: Antique Victorian Yellow Gold Opal Dangle Earrings Natural Cabochon These exquisite Antique Victorian Rosy Yellow Gold Opal Drop Dangle Hook Earrings are a stunning addition to any jewelry collection.

5 days Left

Antique Victorian Yellow Gold Opal Dangle Earrings Natural Cabochon

Est. $1,521-$1,977

Vintage 14k Yellow Gold Oval Ring With Opal And Diamonds Size 7: Vintage 14k Yellow Gold Oval Ring With Opal And Diamonds Size 7 This vintage ring is crafted from 14k yellow gold and features an oval-shaped opal accented by diamonds. The ring is a size 7 and highli

2 days Left

Vintage 14k Yellow Gold Oval Ring With Opal And Diamonds Size 7

Est. $2,938-$3,819

14k Yellow Gold 42.16ct Opal Necklace: Retail: $30,922.00 ****** 14k Yellow Gold 42.16ct Opal Necklace ****** Metal: 14K Yellow Gold / Total Item Weight: 33.0 grams / Country Made: United States / / Main Stone: Opal / Color: Play of Color

4 days Left

14k Yellow Gold 42.16ct Opal Necklace

Riverside Galleries

Est. $21,027-$30,922

14K Gold 20.03cts Opal & 11.84cts Diamond Necklace: Retail: $91,403*****14K Gold Opal & Diamond Necklace*****Metal: 14K White Gold/ Total Wt.: none / Country Made US// Main Stone: Opal / Carat Total Wt.: 20.03cts / Treatment: none / Color: none / Cut:

23 hrs Left

14K Gold 20.03cts Opal & 11.84cts Diamond Necklace

Prestige Auction Galleries

Est. $68,367-$91,403

14K Gold 20.03cts Opal & 11.84cts Diamond Necklace: Retail: $91,403*****14K Gold Opal & Diamond Necklace*****Metal: 14K White Gold/ Total Wt.: none / Country Made US// Main Stone: Opal / Carat Total Wt.: 20.03cts / Treatment: none / Color: none / Cut:

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14K Gold 20.03cts Opal & 11.84cts Diamond Necklace

Prestige Auction Galleries

Est. $68,367-$91,403

14K Gold 20.03cts Opal & 11.84cts Diamond Necklace: Retail: $91,403*****14K Gold Opal & Diamond Necklace*****Metal: 14K White Gold/ Total Wt.: none / Country Made US// Main Stone: Opal / Carat Total Wt.: 20.03cts / Treatment: none / Color: none / Cut:

3 days Left

14K Gold 20.03cts Opal & 11.84cts Diamond Necklace

Prestige Auction Galleries

Est. $68,367-$91,403

14K Gold 20.03cts Opal & 11.84cts Diamond Necklace: Retail: $91,403*****14K Gold Opal & Diamond Necklace*****Metal: 14K White Gold/ Total Wt.: none / Country Made US// Main Stone: Opal / Carat Total Wt.: 20.03cts / Treatment: none / Color: none / Cut:

4 days Left

14K Gold 20.03cts Opal & 11.84cts Diamond Necklace

Prestige Auction Galleries

Est. $68,367-$91,403

14k Gold 5.78 Ctw Natural Opal & Diamond Necklace: Ref:231139007 // gold content:14k gold // main gemstone:opal // shape:oval // carat weight:5. 35ct // color:color // treatment:natural // // adjacent gemstone 2 : diamond // number of stones:62 // sha

14k Gold 5.78 Ctw Natural Opal & Diamond Necklace

Est. $11,000-$16,000

$5,000

14KT YELLOW GOLD, ENAMEL AND OPAL FLOWER PIN/PENDANT: 14KT YELLOW GOLD, ENAMEL AND OPAL FLOWER PIN/PENDANTCarved opal flower with a small seed pearl at center. Blue enamel mounting. Opal with good play of orange and green. Stamped. Approx. 31.0 x 33.0mm.

Apr 14, 2026

14KT YELLOW GOLD, ENAMEL AND OPAL FLOWER PIN/PENDANT

Est. $200-$400

Apr 12, 2026

PEARL & OPAL FLORAL BANGLE BRACELET

Est. $10,050-$14,740

Ambrose Tsosie Sterling Lizard Opal Pin: Ambrose Tsosie (Navajo, b. 20th century). Sterling lizard form pin set with malachite and opal inlays, likely Zuni work. Marked sterling and AT along the reverse.Length: 3 in x width: 1 in x depth: 1/

Apr 14, 2026

Ambrose Tsosie Sterling Lizard Opal Pin

Revere Auctions

Est. $200-$400

Platinum Cocktail Ring with Colorful Boulder Opal and Diamond Accents: Platinum Cocktail Ring with Colorful Boulder Opal and Diamond Accents Make a bold statement with this exquisite Platinum Bezel Colorful Boulder Opal Ring adorned with diamond accents. Featuring a stun

20 hrs Left

Platinum Cocktail Ring with Colorful Boulder Opal and Diamond Accents

Est. $2,964-$3,853

4 days Left

AMIJE BOULDER OPAL DIAMOND PLATINUM 900 COCKTAIL RING

Est. $5,775-$8,470

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Opal Auctions

*1.49Ct Lightning Ridge Opal - Australian Opal , 230E

2.81cts Natural Million Year Old Baltic Insect Amber, 12x9mm, 1232B

33Ct Winton Boulder Rough Opal - Australian Opal - Freeform Rough, 1071B

Opal & Gemstone Treasure Auction Series 4

Ksmith Heritage Auctioneers

Starts on:

Jelutong, Penang, MY

4 days Left

2.05 Carats Natural Ruby Gemstone - 9X7X5 mm

Pretty Blue Tourmaline Gemstone - 1.10 Carats - 7X5X4 mm

4.55 Carats Paired Emerald Cut Santa Maria Aquamarine Gemstones - 10X7X5 mm

Natural Loose Gemstones Starting at $50

Fantasy Jewelry

Starts on:

Muscat, Muscat, AE

6 days Left

Trillion Cut Natural Sphene Gemstone - 4.5 Carats - 11X11X6 mm 2.65 Carats

4.30 Carats Natural Citrine Quartz Gemstone - 13X9X7 mm

3.60 Carats Natural Santa Maria Aquamarine Gemstone - 18X7X4 mm

NO RESERVE Loose Gemstones

Fantasy Jewelry

Starts on:

Muscat, Muscat, AE

4 days Left

Opal

Opal lots are available at auction on LiveAuctioneers. Buy distinctive Opal works from the world’s most trusted auction houses. In this wide selection of Opal items there are so many options to choose from, including Rings, Loose Stones & Beads, Earrings, Necklaces & Pendants, Brooches & Pins, and more. On the hunt for other alternatives? Other Opal buyers also enjoy exploring pieces in other trending materials/ techniques such as gold, silver, porcelain, and bronze.

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Opal Antique Jewelry

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