Results for “Black Opal”

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President model table lamp, FASE, 20th century: Black lacquered steel, glass, and oak. Dimensions: 60 × 42 cm. President table lamp by the Spanish firm FASE, with a rotating base, circular opal glass shade, and solid oak arm articulated with chrom

Apr 15, 2026

President model table lamp, FASE, 20th century

Templum Fine Art Auctions

Est. €600-€900

Apr 17, 2026

K18YG GLASS NECKLACE

Est. $1,350-$1,980

3.28 Carats Koroit Yowah Opal Cabochon - Natural Australian Single Stone, 88XL: This distinctive Koroit Yowah opal cabochon, calibrated to 12.2x9.1mm, features a dramatic tonal matrix of deep jet black and earthy chocolate brown, interwoven with striking veins of milky white and

5 hrs Left

3.28 Carats Koroit Yowah Opal Cabochon - Natural Australian Single Stone, 88XL

Est. $60-$120

3.37 Carats Koroit Yowah Opal Cabochon - Natural Australian Single Stone, 77XL: This striking Koroit Yowah opal cabochon, measuring 12.5x8.8mm, features a dense, textured ironstone matrix in layered tones of deep chocolate brown, warm tan, and jet black. The stone's internal land

5 hrs Left

3.37 Carats Koroit Yowah Opal Cabochon - Natural Australian Single Stone, 77XL

Est. $60-$120

TIFFANY & CO. 1977 Angela Cummings Round Lentils Earrings 18Kt Gold Opals & Jades: Lentils earrings designed by Angela Cummings for Tiffany & Co.This is a very rare pair of clips-on earrings created in New York City by Angela Cummings for Tiffany & Co., back in the 1977. The pair of

Apr 13, 2026

TIFFANY & CO. 1977 Angela Cummings Round Lentils Earrings 18Kt Gold Opals & Jades

Platinum Auction Group

Est. $7,182-$8,977

3.85 Carats Koroit Yowah Opal Cabochon - Natural Australian Single Stone, 74XL: This striking Koroit Yowah opal cabochon, measuring 12.5x10mm, features a dense, textured ironstone matrix in layered tones of deep chocolate brown, warm tan, and jet black. The stone's internal lands

5 hrs Left

3.85 Carats Koroit Yowah Opal Cabochon - Natural Australian Single Stone, 74XL

Est. $60-$120

*12.78Ct 10pcs Faceted Smoked Welo Opal Set - Ethiopian Opal , 357E: Ksmith Heritage Auctioneers Subject: Natural Ethiopian Black Welo Opal Origin: Ethiopia Carat Weight: 12.78Ct Dimension: 8x8x4 mm Treatment: Heated Type: Faceted, Polished

4 days Left

*12.78Ct 10pcs Faceted Smoked Welo Opal Set - Ethiopian Opal , 357E

Ksmith Heritage Auctioneers

Est. $110-$220

*14.93Ct 10pcs Faceted Smoked Welo Opal Set - Ethiopian Opal , 402E: Ksmith Heritage Auctioneers Subject: Natural Ethiopian Black Welo Opal Origin: Ethiopia Carat Weight: 14.93Ct Dimension: 11x7x6 mm Treatment: Heated Type: Faceted, Polishe

4 days Left

*14.93Ct 10pcs Faceted Smoked Welo Opal Set - Ethiopian Opal , 402E

Ksmith Heritage Auctioneers

Est. $110-$220

6.09 Carats Koroit Yowah Opal Cabochon - Natural Australian Single Stone, 84XL: This exceptional Koroit Yowah opal cabochon, calibrated to 17.3x10.7mm, features a dense, textured ironstone matrix in layered tones of deep chocolate brown, bronze, and jet black. Scattered throughou

5 hrs Left

6.09 Carats Koroit Yowah Opal Cabochon - Natural Australian Single Stone, 84XL

Est. $60-$120

11.58 Carats Koroit Yowah Opal Cabochon - Natural Australian Single Stone, 85XL: This substantial Koroit Yowah opal cabochon, measuring 18x12.8mm, features a dramatic composition of deep plum and black ironstone matrix, interwoven with bold veins of iridescent opal. The opal inclu

5 hrs Left

11.58 Carats Koroit Yowah Opal Cabochon - Natural Australian Single Stone, 85XL

Est. $60-$120

*12.23Ct 10pcs Faceted Smoked Welo Opal Set - Ethiopian Opal , 115E: Ksmith Heritage Auctioneers Subject: Natural Ethiopian Black Welo Opal Origin: Ethiopia Carat Weight: 12.23Ct Dimension: 11x7x3 mm Treatment: Heated Type: Faceted, Polishe

4 days Left

*12.23Ct 10pcs Faceted Smoked Welo Opal Set - Ethiopian Opal , 115E

Ksmith Heritage Auctioneers

Est. $110-$220

*13.57Ct 10pcs Faceted Smoked Welo Opal Set - Ethiopian Opal, 1047B: Ksmith Heritage Auctioneers Subject: Natural Ethiopian Black Welo Opal Origin: Ethiopia Carat Weight: 13.57Ct Dimension: 13x5x3 mm Treatment: Heated Type: Faceted, Polished

4 days Left

*13.57Ct 10pcs Faceted Smoked Welo Opal Set - Ethiopian Opal, 1047B

Ksmith Heritage Auctioneers

Est. $110-$220

*11.09Ct 10pcs Faceted Smoked Welo Opal Set - Ethiopian Opal, 202B: Ksmith Heritage Auctioneers Subject: Natural Ethiopian Black Welo Opal Origin: Ethiopia Carat Weight: 11.09Ct Dimension: 9x7x3 mm Treatment: Heated Type: Faceted, Polished <

4 days Left

*11.09Ct 10pcs Faceted Smoked Welo Opal Set - Ethiopian Opal, 202B

Ksmith Heritage Auctioneers

Est. $90-$180

*14.59Ct 10pcs Faceted Smoked Welo Opal Set - Ethiopian Opal , 171E: Ksmith Heritage Auctioneers Subject: Natural Ethiopian Black Welo Opal Origin: Ethiopia Carat Weight: 14.59Ct Dimension: 13x7x4 mm Treatment: Heated Type: Faceted, Polishe

4 days Left

*14.59Ct 10pcs Faceted Smoked Welo Opal Set - Ethiopian Opal , 171E

Ksmith Heritage Auctioneers

Est. $110-$220

*12.95Ct 10pcs Faceted Smoked Welo Opal Set - Ethiopian Opal, 73B: Ksmith Heritage Auctioneers Subject: Natural Ethiopian Black Welo Opal Origin: Ethiopia Carat Weight: 13.95Ct Dimension: 10x7x4 mm Treatment: Heated Type: Faceted, Polished

4 days Left

*12.95Ct 10pcs Faceted Smoked Welo Opal Set - Ethiopian Opal, 73B

Ksmith Heritage Auctioneers

Est. $110-$220

*14.21Ct 10pcs Faceted Smoked Welo Opal Set - Ethiopian Opal , 224E: Ksmith Heritage Auctioneers Subject: Natural Ethiopian Black Welo Opal Origin: Ethiopia Carat Weight: 14.21Ct Dimension: 10x7x3 mm Treatment: Heated Type: Faceted, Polishe

4 days Left

*14.21Ct 10pcs Faceted Smoked Welo Opal Set - Ethiopian Opal , 224E

Ksmith Heritage Auctioneers

Est. $110-$220

*10.76Ct 8pcs Faceted Smoked Welo Opal Set - Ethiopian Opal , 247E: Ksmith Heritage Auctioneers Subject: Natural Ethiopian Black Welo Opal Origin: Ethiopia Carat Weight: 10.76Ct Dimension: 15x7x3 mm Treatment: Heated Type: Faceted, Polishe

4 days Left

*10.76Ct 8pcs Faceted Smoked Welo Opal Set - Ethiopian Opal , 247E

Ksmith Heritage Auctioneers

Est. $90-$180

*12.38Ct 10pcs Faceted Smoked Welo Opal Set - Ethiopian Opal , 400E: Ksmith Heritage Auctioneers Subject: Natural Ethiopian Black Welo Opal Origin: Ethiopia Carat Weight: 12.38Ct Dimension: 11x7x4 mm Treatment: Heated Type: Faceted, Polishe

4 days Left

*12.38Ct 10pcs Faceted Smoked Welo Opal Set - Ethiopian Opal , 400E

Ksmith Heritage Auctioneers

Est. $110-$220

2.88 Carats Koroit Yowah Opal Cabochon - Natural Australian Single Stone, 67XL: This striking Koroit Yowah opal cabochon, measuring 11.2x8.1mm, features a dense, layered ironstone matrix in deep chocolate brown and jet black, with a prominent, irregular inclusion of pale, creamy

5 hrs Left

2.88 Carats Koroit Yowah Opal Cabochon - Natural Australian Single Stone, 67XL

Est. $60-$120

4.19 Carats Koroit Yowah Opal Cabochon - Natural Australian Single Stone, 72XL: This substantial Koroit Yowah opal cabochon, measuring 18x9.3mm, features a dense, textured ironstone matrix in layered tones of deep chocolate brown, warm tan, and jet black. The stone's internal lan

5 hrs Left

4.19 Carats Koroit Yowah Opal Cabochon - Natural Australian Single Stone, 72XL

Est. $60-$120

2.73 Carats Koroit Yowah Opal Cabochon - Natural Australian Single Stone, 86XL: This distinctive Koroit Yowah opal cabochon, measuring 12.9x9.5mm, features a striking, fragmented ironstone matrix in deep brown and black, interspersed with broad, milky-blue opal veins. A single, l

5 hrs Left

2.73 Carats Koroit Yowah Opal Cabochon - Natural Australian Single Stone, 86XL

Est. $60-$120

A group of Southwest style bolo ties: A group of Southwest style bolo tiesLate 20th centuryEach unmarkedFour works comprising a rectangular picture jasper bolo tie on a gold-tone mesh cord with metal tips (34.5" L), and a fossilized doubl

6 days Left

A group of Southwest style bolo ties

John Moran Auctioneers, Inc.

Est. $200-$400

Platinum Pendant Necklace with Boulder Opal and Diamond Accents Adjustable Chain: Platinum Pendant Necklace with Boulder Opal and Diamond Accents Adjustable Chain This elegant necklace features a free form natural boulder opal pendant accented with numerous natural round brilliant

3 days Left

Platinum Pendant Necklace with Boulder Opal and Diamond Accents Adjustable Chain

Est. $4,856-$5,876

Earrings - 18 kt. White gold - 4.89ct. tw. Diamond (Natural): 18K White Gold and 1.64ct Diamond Butterfly Flower EarringsA dazzling celebration of nature’s grace, these 18K white gold earrings showcase an enchanting butterfly and flower motif, crowned with a s

3 days Left

Earrings - 18 kt. White gold - 4.89ct. tw. Diamond (Natural)

Eastern European Art Gallery Inc

Est. $9,000-$10,000

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