Opal

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18K Gold Opal Ring: 18K gold opal ring in twisted rope setting, 15mm x 12mm opal, stamped 750 with maker's stamp, 11.6 grams t.w., size 7

2025

18K Gold Opal Ring

Stephenson's AuctionSouthampton, PA

14K Gold and Four Opal Brooch: 14K gold and four opal brooch/pendant in filigree setting with four seed pearls, unmarked, tests 14K gold, 30mm x 40mm, unstamped, 8.2 grams complete

2025

14K Gold and Four Opal Brooch

Stephenson's AuctionSouthampton, PA

Pair of 14K Gold Opal Earrings: Pair of 14K gold opal post earrings, 15mm x 12mm stamped 14k, 4.0 grams total weight

2025

Pair of 14K Gold Opal Earrings

Stephenson's AuctionSouthampton, PA

10K and 14K Gold Necklace with Opal and Diamonds: 10K and 14K Gold Necklace with opal and diamonds, chain stamped 14K Italy, attached pendant with opal and diamonds stamped 10kp (plumb), 18 1/2", 6.9 grams t. w.

2025

10K and 14K Gold Necklace with Opal and Diamonds

Stephenson's AuctionSouthampton, PA

Two Pairs of 14K Gold Earrings: Two pairs of 14k gold earrings, includes three opal and hollow gold hoops stamped S 14K 20mm diameter, 14mm dolphins stamped 14K on backs .4 grams, 1.8 grams total weight

2025

Two Pairs of 14K Gold Earrings

Stephenson's AuctionSouthampton, PA

SLOCUM OPAL PENDANT ON CHAIN NECKLACE ROCK STONE LAPIDARY SPECIMEN: WELCOME TO HATMAN AUCTIONS! SPECIAL NOTICE: Please see photos for measurements and descriptions. ***Yes, we have in house shipping with MANY REPEAT CUSTOMERS because of our streamlined service. ****We

2025

SLOCUM OPAL PENDANT ON CHAIN NECKLACE ROCK STONE LAPIDARY SPECIMEN

Col. Christie Hatman AuctioneersThayer, MO

SOLD

Sterling Marcasite and Opal Ring Size 6 4.8g: This is an estate auction in Seattle WA featuring estate jewelry and collectibles.This auction offers local pick up in the Seattle area on 9/13 between 10am-3pm. If you intend to pick up please ensure

2025

Sterling Marcasite and Opal Ring Size 6 4.8g

Seattle MagpiesSeattle, WA

SOLD

Sterling Silver and Opal Pendant and Chain 7.5g 18: This is an estate auction in Seattle WA featuring estate jewelry and collectibles.This auction offers local pick up in the Seattle area on 9/13 between 10am-3pm. If you intend to pick up please ensure

2025

Sterling Silver and Opal Pendant and Chain 7.5g 18

Seattle MagpiesSeattle, WA

Modernist Sterling Choker Necklace with Opal Stone Marked Jr-227 Taxco?: Modernist Sterling Choker Necklace with Opal Stone Marked Jr-227 Taxco? Stamped .925 Mexico, Total weight is 52g, Opal measures 1/2" across All pictures are considered part of the description and

2025

Modernist Sterling Choker Necklace with Opal Stone Marked Jr-227 Taxco?

Denotter Auctions, LLCArlington Heights, IL

Sterling Silver Earrings with Black Opal, Sapphire Gemstone: Title: Sterling Silver Earrings with Black Opal, Sapphire Gemstone Description:925 Sterling Silver Earrings Round Black Opal Sapphire Natural Gemstone Jewelry. Shipping within the US only. Materials:S

2025

Sterling Silver Earrings with Black Opal, Sapphire Gemstone

Jasper52New York, NY

Sterling Silver Earrings with Black Opal, Ruby Gemstones: Title: Sterling Silver Earrings with Black Opal, Ruby Gemstones Description:925 Sterling Silver Earrings Oval Black Opal 6x4mm Ruby Gemstone. Shipping within the US only. Materials:Sterling Silver Res

2025

Sterling Silver Earrings with Black Opal, Ruby Gemstones

Jasper52New York, NY

3.88 Ct Natural Opal Round Cab: weight - 3.88 Ct / Size -10.60 x 10.60 x 6.40 mm / Shape - Excellent Round Cab / Origin - Brazil / Treatment - None

2025

3.88 Ct Natural Opal Round Cab

Gems AuctionBangkok, TH

57.12 Ct Natural Dendrite Opal Oval Cab: weight - 57.12 Ct / Dimensions - 37.00 x 28.00 x 7.00 mm / Shape & Cut - Excellent Oval Cab / Origin - Brazil / Comments - None

2025

57.12 Ct Natural Dendrite Opal Oval Cab

Gems AuctionBangkok, TH

1.55 Ct Natural Fire Opal Octagon Cut: Weight - 1.55 Ct / Size - 10.20 x 6.40 x 4.30 mm/ Shape - Octagon Cut / Color - Orange / Clarity - Transparent / Origin - Mexico / Treatment - None

2025

1.55 Ct Natural Fire Opal Octagon Cut

Gems AuctionBangkok, TH

9.57 Ct Natural Dendrite Opal Round Beads: weight - 9.57 Ct / Size - 7.10 - 7.70 mm / 9 Pc's / Shape - Excellent Round Beads / Origin - Brazil / Treatment - None

2025

9.57 Ct Natural Dendrite Opal Round Beads

Gems AuctionBangkok, TH

17.70 Ct Natural Dendrite Opal Oval Cab: weight - 17.70 Ct / Dimensions - 28.00 x 16.50 x 5.20 mm / Shape & Cut - Excellent Oval Cab / Origin - Brazil / Comments - None

2025

17.70 Ct Natural Dendrite Opal Oval Cab

Gems AuctionBangkok, TH

1.49 Ct Natural Black Fire Opal Pear Cab: Weight - 1.49 Ct / Size - 12.90 x 7.00 x 3.70 mm / Shape - Pear Cab / Color - Black / Clarity - Translucent / Origin - Ethiopia / Treatment - Heated

2025

1.49 Ct Natural Black Fire Opal Pear Cab

Gems AuctionBangkok, TH

2.06 Ct Natural Black Fire Opal Oval Cut: Weight - 2.06 Ct / Size - 12.40 x 8.20 x 4.70 mm / Shape - Oval Cut / Color - Black / Clarity - Translucent / Origin - Ethiopia / Treatment - Heated

2025

2.06 Ct Natural Black Fire Opal Oval Cut

Gems AuctionBangkok, TH

1.52 Ct Natural Black Fire Opal Oval Cut: Weight - 1.52 Ct / Size - 11.10 x 7.90 x 4.20 mm / Shape - Oval Cut / Color - Black / Clarity - Translucent / Origin - Ethiopia / Treatment - Heated

2025

1.52 Ct Natural Black Fire Opal Oval Cut

Gems AuctionBangkok, TH

1.07 Ct Natural Multi-Color Welo Opal Marquise Cut: Weight - 1.07 Ct / Size - 11.50 x 6.50 x 4.10 mm / Shape - Marquise Cut / Color - Multicolor / Clarity - Translucent / Origin - Ethiopia / Treatment - None

2025

1.07 Ct Natural Multi-Color Welo Opal Marquise Cut

Gems AuctionBangkok, TH

1.19 Ct Natural Multi-Color Welo Opal Pear Cab: Weight - 1.19 Ct / Size - 10.00 x 6.90 x 3.90 mm / Shape - Pear Cab / Color - Multicolor / Clarity - Translucent / Origin - Ethiopia / Treatment - None

2025

1.19 Ct Natural Multi-Color Welo Opal Pear Cab

Gems AuctionBangkok, TH

2.30 Ct Natural Black Flashing Fire Opal Pear Cab: Weight - 2.30 Ct / Size -12.60 x 9.00 x 3.90 mm / Shape - Pear Cab / Color - Black / Clarity - Translucent / Origin - Ethiopia / Treatment - Heated

2025

2.30 Ct Natural Black Flashing Fire Opal Pear Cab

Gems AuctionBangkok, TH

1.62 Ct Natural Orange Fire Opal Oval Cut: Weight - 1.62 Ct / Size - 10.40 x 7.60 x 4.80 mm / Shape - Oval Cut / Color - Orange / Clarity - Transparent / Origin - Mexico / Treatment - None

2025

1.62 Ct Natural Orange Fire Opal Oval Cut

Gems AuctionBangkok, TH

2.50 Ct Natural Black Flashing Fire Opal Oval Cut: Weight - 2.50 Ct / Size - 11.50 x 9.50 x 5.40 mm / Shape - Oval Cut / Color - Black / Clarity - Translucent / Origin - Ethiopia / Treatment - Color Smoked

2025

2.50 Ct Natural Black Flashing Fire Opal Oval Cut

Gems AuctionBangkok, TH

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Opal Auctions

Natural Multi Color Play Of Colour Opal Gemstones 1.05 Ct. Oval Cabochon Shape 13 x 9.5 Mm.

Natural Paraiba Color Apatite Gemstones 58.85 Ct. Briolette With Drilled Beads Length 10 Inch

Natural Green Demantoid Garnet Gemstones 1.35 Ct. Oval Shape 6.42 x 5.70 Mm.

Natural Loose Gemstones Diamond Opal Special

Treasure of Gems & Jewelry

Starts on:

Lake Charles, LA, US

2 days Left

Fine Borneo Shaman Bin with Lid

Gorgeous Green Glazed Korean Mei Ping Shaped Vase

Gorgeous Large Section of Ancient Rainbow Petrified Wood

Fine Ethnographic, Asian & Antiques

Inspired Auctions

Starts on:

Brea, CA, US

4.21 Ct Cushion B.R Fire Opal 9K Gold Earrings

3.62 Ct Trillion Tourmaline 9K Gold Ring

3.22 Ct Octagon Pink Topaz 9K Gold Ring

Exquisite 9K Gold Gemstone Jewelry Collection

Ends from:

New York, NY, US

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