Opal ~ Antique & Vintage Items

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Boulder Opal, Blue Zircon, Diamond, 14k Yellow Gold Jewelry Suite: Boulder Opal, Blue Zircon, Diamond, 14k Yellow Gold Jewelry Suite. Including one amorphous boulder opal, round-cut blue zircon, 14k yellow gold 16 inch necklace together with an oval shaped opal caboc

2026

Boulder Opal, Blue Zircon, Diamond, 14k Yellow Gold Jewelry Suite

Michaan's AuctionsAlameda, CA

Southwestern Sterling Silver Mosaic Inlay Ring Size 7.25 Opal Turquoise RS3767: This beautiful domed ring features a geometric inlay design set atop a tapered sterling silver band. A great addition for any collector of Southwestern or Native American jewelry! Metal Type: Sterling

2026

Southwestern Sterling Silver Mosaic Inlay Ring Size 7.25 Opal Turquoise RS3767

Eco Estate JewelryLakeway, TX

$2,475 Value! 8.09 cts Natural Diamond Opal Sapphire Rhodium Sterling Silver Designer Bracelet #2057: Diamond Description Shape: Round ,Size: 1.2mm, Quantity: 10, CT: 0.09, Grade: I2, Color: H-I, Opal : 5, 7x5mm, 2.2 ct, Black Sapphire : 5, 7x5mm, 5.8 ct, Material Information:Plating Material: Rhodium

2026

$2,475 Value! 8.09 cts Natural Diamond Opal Sapphire Rhodium Sterling Silver Designer Bracelet #2057

U.S. Auction GalleryEncino, CA

Opal Gemstone Silver Plated Ring Size 9: Opal Gemstone Silver Plated Ring Size 10

2026

Opal Gemstone Silver Plated Ring Size 9

Golden Age Jewelry AuctionsUrbana, OH

Vintage Jelly Opal Glass Gold Tone Adjustable Ring: Vintage Jelly Opal Glass Gold Tone Adjustable Ring

2026

Vintage Jelly Opal Glass Gold Tone Adjustable Ring

Golden Age Jewelry AuctionsUrbana, OH

Antique Gold Filled Opal Slide Pocket Watch Chain 24 Inch 8 Grams: Antique Gold Filled Opal Slide Pocket Watch Chain 24 Inch 8 Grams

2026

Antique Gold Filled Opal Slide Pocket Watch Chain 24 Inch 8 Grams

Golden Age Jewelry AuctionsUrbana, OH

SOLD

Ring: Ethiopian Opal CAB Pears 7x5mm: No Reserve! Title: Ring: Ethiopian Opal CAB Pears 7x5mm Description: Ethiopian Opal CAB Pears 7x5mm - 2Pcs + White Topaz Round 1.00mm - 62Pcs ( With J BACK ) ( White Pen Rhodium ) Date/Period: After 2

2026

Ring: Ethiopian Opal CAB Pears 7x5mm

Chairish AuctionsNew York, NY

SOLD

Ring: Ethiopian Opal ( AAA ) CAB Oval 9x7mm: No Reserve! Title: Ring: Ethiopian Opal ( AAA ) CAB Oval 9x7mm Description: Ethiopian Opal ( AAA ) CAB Oval 9x7mm - 1Pc + Natural White Zircon Round 1.30mm - 22Pcs ( Stone Height : 3.90mm ) ( White Pe

2026

Ring: Ethiopian Opal ( AAA ) CAB Oval 9x7mm

Chairish AuctionsNew York, NY

Natural Australian Boulder Opal Specimens 5pc LOT: Five natural Australian boulder opal specimens featuring organic forms with vibrant flashes of blue and violet within the ironstone matrix. Each piece includes polished areas that highlight the opals

2026

Natural Australian Boulder Opal Specimens 5pc LOT

Hill Auction Gallery Sunrise, FL

Opal Sterling Ring & Bracelet: Vintage sterling, opal ring (size 7) and bracelet (7-7.5" long). (16 dwt) (6x4x2)

2026

Opal Sterling Ring & Bracelet

Vintage AuctionsOttawa, OH

Diamonds, Morganite, Orange Fire Opal Rings: Four gorgeous sterling rings with gold tones. Diamonds have been tested and are genuine! One ring features a Morganite gemstone and another features a Orange Fire Opal gemstone. Ring sizes are 6, 8, 9

2026

Diamonds, Morganite, Orange Fire Opal Rings

Vintage AuctionsOttawa, OH

Opal & Mother of Pearl Bracelet, Ring, Earrings: Mother of Pearl sterling cuff bracelet. Opal sterling ring, size 6. Screw back vintage sterling earrings. (26 dwt) (6x4x2)

2026

Opal & Mother of Pearl Bracelet, Ring, Earrings

Vintage AuctionsOttawa, OH

10 Sterling Gemstone Rings: Ten sterling rings. Opal, Amethyst, Blue Topaz, Mother of Pearl, Black Onyx, Simulated Diamond. Sizes 5.5-10.5 (23 dwt) (6x4x2)

2026

10 Sterling Gemstone Rings

Vintage AuctionsOttawa, OH

5.16 Ct Natural Opal Oval Cab: weight - 5.16 Ct / Dimensions - 17.20 x 11.50 x 4.60 mm / Shape - Excellent Oval Cab / Origin - Brazil / Treatment - None

2026

5.16 Ct Natural Opal Oval Cab

Gems AuctionBangkok, TH

7.42 Ct Natural Opal Oval Cab: weight - 7.42 Ct / Dimensions - 18.60 x 11.00 x 4.40 mm / Shape - Excellent Oval Cab / Origin - Brazil / Treatment - None

2026

7.42 Ct Natural Opal Oval Cab

Gems AuctionBangkok, TH

14.28 Ct Natural Blue Opal Oval Cab: Weight - 14.28 Ct / Dimensions - 29.50 x 16.60 x 4.90 mm / Shape - Oval Cabochon / Transparency - Opaque / Origin - Peru / Treatment - None

2026

14.28 Ct Natural Blue Opal Oval Cab

Gems AuctionBangkok, TH

24.00 Ct Natural Blue Opal Round Cab: Weight - 24.00 Ct / Dimensions - 25.00 x 25.00 x 6.50 mm / Shape - Round Cabochon / Transparency - Opaque / Origin - Peru / Treatment - None

2026

24.00 Ct Natural Blue Opal Round Cab

Gems AuctionBangkok, TH

3.03 Ct Natural Blue Fire Opal Oval Cab: Weight - 3.03 Ct / Size - 13.60 x 9.60 x 4.60 mm / Shape - Oval Cab / Transparency - Transparent / Origin - Ethiopia / Treatment - Heated

2026

3.03 Ct Natural Blue Fire Opal Oval Cab

Gems AuctionBangkok, TH

3.40 Ct Natural Pink Fire Opal Round Beads: Weight - 3.40 Ct / Dimensions - 4.30 - 4.60 mm / 14 Pc's / Shape - Round Beads / Color - Pink / Clarity - Translucent / Origin - Ethiopia / Treatment - Color Heated

2026

3.40 Ct Natural Pink Fire Opal Round Beads

Gems AuctionBangkok, TH

1.89 Ct Natural Black Flashing Fire Opal Oval Cab: Weight - 1.89 Ct / Dimensions - 11.30 x 7.80 x 4.80 mm / Shape - Oval Cab / Color - Black / Clarity - Translucent / Origin - Ethiopia / Treatment - Color Smoked

2026

1.89 Ct Natural Black Flashing Fire Opal Oval Cab

Gems AuctionBangkok, TH

1.71 Ct Natural Black Flashing Fire Opal Pear Cut: Weight - 1.71 Ct / Dimensions - 13.20 x 7.10 x 4.90 mm / Shape - Pear Cut / Color - Black / Clarity - Translucent / Origin - Ethiopia / Treatment - Color Smoked

2026

1.71 Ct Natural Black Flashing Fire Opal Pear Cut

Gems AuctionBangkok, TH

1.45 Ct Natural Black Flashing Fire Opal Trillion Cut: Weight - 1.45 Ct / Dimensions - 9.20 x 8.80 x 5.10 mm / Shape - Trillion Cut / Color - Black / Clarity - Translucent / Origin - Ethiopia / Treatment - Color Smoked

2026

1.45 Ct Natural Black Flashing Fire Opal Trillion Cut

Gems AuctionBangkok, TH

1.29 Ct Natural Black Flashing Fire Opal Oval Cut: Weight - 1.29 Ct / Dimensions - 10.40 x 7.70 x 3.90 mm / Shape - Oval Cut / Color - Black / Clarity - Translucent / Origin - Ethiopia / Treatment - Color Smoked

2026

1.29 Ct Natural Black Flashing Fire Opal Oval Cut

Gems AuctionBangkok, TH

1.72 Ct Natural Black Flashing Fire Opal Cushion Cut: Weight - 1.72 Ct / Dimensions - 11.20 x 6.90 x 5.10 mm / Shape - Cushion Cut / Color - Black / Clarity - Translucent / Origin - Ethiopia / Treatment - Color Smoked

2026

1.72 Ct Natural Black Flashing Fire Opal Cushion Cut

Gems AuctionBangkok, TH

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