Opal

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120.48ct Natural Australian Queensland Boulder Opal Sliced Slab Cutting Rough, 32AY: Natural sliced slab rough of Queensland boulder opal cutting grade, featuring rich color ironstone matrix with patterns. The face clearly reveals extensive opal veining and pocket formations running t

2026

120.48ct Natural Australian Queensland Boulder Opal Sliced Slab Cutting Rough, 32AY

Lazo HeritageThung Wat Don, Sathorn, Bangkok

26.68ct Natural Australian Queensland Boulder Opal Sliced Slab Cutting Rough, 32YP: Natural sliced slab rough of Queensland boulder opal cutting grade, featuring rich color ironstone matrix with patterns. The face clearly reveals extensive opal veining and pocket formations running t

2026

26.68ct Natural Australian Queensland Boulder Opal Sliced Slab Cutting Rough, 32YP

Lazo HeritageThung Wat Don, Sathorn, Bangkok

3.92 Ct Natural Multicolor Welo Opal Flash Fire Pear Cut: Weight - 3.92 Ct / Dimensions - 15.00 x 8.40 mm / Shape - Pear Cut / Color - Multicolor / Clarity - Translucent / Origin - Ethiopia / Treatment - None

2026

3.92 Ct Natural Multicolor Welo Opal Flash Fire Pear Cut

Gems AuctionBangkok, TH

2.89 Ct Natural Multicolor Welo Opal Flash Fire Oval Cut: Weight - 2.89 Ct / Dimensions - 12.60 x 9.60 x 5.90 mm / Shape & Cut - Oval Cut / Color - Multicolor / Transparency - Translucent / Origin - Ethiopia / Comments - None

2026

2.89 Ct Natural Multicolor Welo Opal Flash Fire Oval Cut

Gems AuctionBangkok, TH

7.66ct Natural Australian Queensland Matrix Boulder Opal Rounded Rectangle Cabochon, 75AV: Hand polished slim rounded rectangular bar cabochon crafted from natural Queensland matrix boulder opal, featuring rich dark speckled brown ironstone matrix threaded with interwoven golden amber and l

2026

7.66ct Natural Australian Queensland Matrix Boulder Opal Rounded Rectangle Cabochon, 75AV

Lazo HeritageThung Wat Don, Sathorn, Bangkok

35.25ct Natural Australian Queensland Boulder Opal Sliced Slab Cutting Rough, 77AY: Natural sliced slab rough of Queensland boulder opal cutting grade, featuring rich color ironstone matrix with patterns. The face clearly reveals extensive opal veining and pocket formations running t

2026

35.25ct Natural Australian Queensland Boulder Opal Sliced Slab Cutting Rough, 77AY

Lazo HeritageThung Wat Don, Sathorn, Bangkok

63.46 Ct Natural Multicolor Welo Opal Top Fire Round Cut Beads: Weight - 63.46 Ct / Size - 3.50 - 6.70 mm / 256 Pc's / 16.5" inches / Shape - Round Cut Beads / Color - Multicolor / Clarity - Translucent / Origin - Ethiopia / Treatment - None

2026

63.46 Ct Natural Multicolor Welo Opal Top Fire Round Cut Beads

Gems AuctionBangkok, TH

20.06ct Natural Australian Queensland Boulder Opal Sliced Slab Cutting Rough, 90AV: Natural sliced slab rough of Queensland boulder opal cutting grade, featuring rich color ironstone matrix with patterns. The face clearly reveals extensive opal veining and pocket formations running t

2026

20.06ct Natural Australian Queensland Boulder Opal Sliced Slab Cutting Rough, 90AV

Lazo HeritageThung Wat Don, Sathorn, Bangkok

38.70ct Natural Australian Queensland Boulder Opal Sliced Slab Cutting Rough, 53YL: Natural sliced slab rough of Queensland boulder opal cutting grade, featuring rich color ironstone matrix with patterns. The face clearly reveals extensive opal veining and pocket formations running t

2026

38.70ct Natural Australian Queensland Boulder Opal Sliced Slab Cutting Rough, 53YL

Lazo HeritageThung Wat Don, Sathorn, Bangkok

43.40ct Natural Australian Queensland Boulder Opal Sliced Slab Cutting Rough, 6YL: Natural sliced slab rough of Queensland boulder opal cutting grade, featuring rich color ironstone matrix with patterns. The face clearly reveals extensive opal veining and pocket formations running t

2026

43.40ct Natural Australian Queensland Boulder Opal Sliced Slab Cutting Rough, 6YL

Lazo HeritageThung Wat Don, Sathorn, Bangkok

13.60ct Natural Australian Queensland Boulder Opal Sliced Slab Cutting Rough, 81AY: Natural sliced slab rough of Queensland boulder opal cutting grade, featuring rich color ironstone matrix with patterns. The face clearly reveals extensive opal veining and pocket formations running t

2026

13.60ct Natural Australian Queensland Boulder Opal Sliced Slab Cutting Rough, 81AY

Lazo HeritageThung Wat Don, Sathorn, Bangkok

15ct Natural Australian Queensland Boulder Opal Sliced Slab Cutting Rough, 4AY: Natural sliced slab rough of Queensland boulder opal cutting grade, featuring rich color ironstone matrix with patterns. The face clearly reveals extensive opal veining and pocket formations running t

2026

15ct Natural Australian Queensland Boulder Opal Sliced Slab Cutting Rough, 4AY

Lazo HeritageThung Wat Don, Sathorn, Bangkok

125.56ct Natural Australian Queensland Boulder Opal Sliced Slab Cutting Rough, 28YP: Natural sliced slab rough of Queensland boulder opal cutting grade, featuring rich color ironstone matrix with patterns. The face clearly reveals extensive opal veining and pocket formations running t

2026

125.56ct Natural Australian Queensland Boulder Opal Sliced Slab Cutting Rough, 28YP

Lazo HeritageThung Wat Don, Sathorn, Bangkok

12.57ct Natural Australian Queensland Boulder Opal Sliced Slab Cutting Rough, 99YP: Natural sliced slab rough of Queensland boulder opal cutting grade, featuring rich color ironstone matrix with patterns. The face clearly reveals extensive opal veining and pocket formations running t

2026

12.57ct Natural Australian Queensland Boulder Opal Sliced Slab Cutting Rough, 99YP

Lazo HeritageThung Wat Don, Sathorn, Bangkok

50.72ct Natural Australian Queensland Boulder Opal Sliced Slab Cutting Rough, 71AY: Natural sliced slab rough of Queensland boulder opal cutting grade, featuring rich color ironstone matrix with patterns. The face clearly reveals extensive opal veining and pocket formations running t

2026

50.72ct Natural Australian Queensland Boulder Opal Sliced Slab Cutting Rough, 71AY

Lazo HeritageThung Wat Don, Sathorn, Bangkok

SOLD

VINTAGE HANDMADE STERLING SILVER OPAL SPECIMEN PENDANT SIGNED BY ARTIST: STAMPED "LOVE" AND "DW" BY ARTIST 1 3/8", 6.12 GRAMS

2026

VINTAGE HANDMADE STERLING SILVER OPAL SPECIMEN PENDANT SIGNED BY ARTIST

Premier Auctions LLCSparks, NV

SOLD

KABANA DESIGNER SIGNED 14K YELLOW GOLD INLAID OPAL AND DIAMOND RING FEATURING NINE GRADUATED DIAM...: BOX IS NOT ORIGINAL SIZE 9, 7/16" FRONT, UP TO 2MM DIAMONDS, 6.54 GRAMS

2026

KABANA DESIGNER SIGNED 14K YELLOW GOLD INLAID OPAL AND DIAMOND RING FEATURING NINE GRADUATED DIAM...

Premier Auctions LLCSparks, NV

SOLD

Jewelers Gemstone Lot: Lot features 80 mixed stones, including opal, amethyst, topaz, citrine, sapphire, tiger's eye, ruby, and more. The stones vary in size and are presented within a display case measuring approximately 1

2026

Jewelers Gemstone Lot

Olivers Auction LLCBelton, SC

14K Gold 2.61ct Opal 1.32ct Diamond Ring: Retail: $5,977.00 ****** 14K Gold 2.61ct Opal 1.32ct Diamond Ring****** Metal: 14K Solid Gold / Total Item Weight: 5.6 grams / Country Made: United States / / Main Stone: Opal / Color: Play of Color /

2026

14K Gold 2.61ct Opal 1.32ct Diamond Ring

Prestige Auction GalleriesWoodland Hills, CA

VINTAGE 14K GOLD OPAL PIN/PENDANT.: A vintage, 14k yellow gold (tested) pin/pendant set with 2-4mm, somewhat bright, opal cabochons, 2 inches long, 6.9 grams.

2026

VINTAGE 14K GOLD OPAL PIN/PENDANT.

William Smith AuctionsPlainfield , NH

14K GOLD OPAL & PEARL PIN/PENDANT.: A 14k yellow gold (stamped) pin/pendant set with approx. 1.5 ct. tw., somewhat bright, blue-green opals and half pearls with very good luster, 2-3mm, 1 3/4 inches long, 8.3 grams.

2026

14K GOLD OPAL & PEARL PIN/PENDANT.

William Smith AuctionsPlainfield , NH

VINTAGE 14K GOLD OPAL & DIAMOND PIN.: A vintage, 14k yellow gold (tested) pin set with approx. 1.0 ct. tw., blue-green, opal cabochons and approx. .09 ct. tw., round brilliant cut, natural diamonds of H-I-J color and VS-SI clarity, 1 3/4

2026

VINTAGE 14K GOLD OPAL & DIAMOND PIN.

William Smith AuctionsPlainfield , NH

Antique Pink Opaline Glass Fluted Vase: Antique pink opal one glass vase with gilt borders. Fluted rim. Style of Baccarat, no signature. Measures approx. 6.25 x 5.75 inches. Some loss to paint, scratching. Antiques, collectibles, Opaline gl

2026

Antique Pink Opaline Glass Fluted Vase

The Benefit Shop Foundation Inc.Mount Kisco, NY

16.16 Ct Natural Blue Opal Pear Cab: weight - 16.16 Ct / Size - 23.80 x 16.60 x 6.60 mm / Shape - Excellent Pear Cab / Origin - Peru / Treatment - None

2026

16.16 Ct Natural Blue Opal Pear Cab

Gems AuctionBangkok, TH

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Opal Auctions

1.97Ct Welo Black Faceted Opal Polished - Ethiopian Opal , 445E

29.90Ct Moss Agate Cabochon - Polished - 31x21mm Approx , 320E

Australian Lightning Ridge Crystal Black Opal Rough Chip Jar (Good For Display), 344B

The Aurora Treasury Gems & Jewels #3

Ksmith Heritage Auctioneers

Starts on:

Jelutong, Penang, MY

2 days Left

6.40 Cts Natural amethyst Gemstone - 12X10.5X8 mm

1.25 Carats Deep Blue Natural Aquamarine Loose Gemstone - 9X6X4 mm

Baby Pink Top quality Natural Kunzite loose Gemstone - 3.25 Carats - 9X8.5X6 mm

NO RESERVE Loose Gemstones

Fantasy Jewelry

Starts on:

Muscat, Muscat, AE

2 days Left

Impressive Mid Century Viking Epic Stockholm Smoke Pine Gray Lotus Wayne Husted Art Glass Vase

GIVENCHY Vintage Designer Matte Silver G Cutout Necklace, Bracelet & Pierced Earrings Ensemble

Vintage Jewelry, Early Christmas & Unusual

Atlee Raber Auctions

Starts on:

Dundee, OH, US

3 days Left

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