Results for “Black Opal Gemstone”

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14K Yellow Gold Mosaic Opal Black Onyx Wide Band Ring Size 11: 14K Yellow Gold Mosaic Opal Black Onyx Wide Band Ring Size 11 This striking band ring is crafted from solid 14K yellow gold and features a stunning mosaic design on its domed top, showcasing natural o

2 days Left

14K Yellow Gold Mosaic Opal Black Onyx Wide Band Ring Size 11

Est. $2,352-$2,751

Antique Black Opal and Old European Cut Diamond Ring in 18k Yellow Gold: In 18k Yellow Gold. Contains one 8.4mm high quality oval natural black Opal gemstone with intense play of color. Also contains six 1/10ct high quality Old European cut diamonds, VS clarity/H color. Si

6 hrs Left

Antique Black Opal and Old European Cut Diamond Ring in 18k Yellow Gold

Eric's Estate & Jewelry

Est. $2,444-$3,666

Star Sapphire 12.56Ct Natural Golden Black 6 Rays Gold Star Sapphire: Ksmith Jewels Global Welcome to our auction house, today auction brought to you by Ksmith Jewels Global based in Penang, Malaysia specialize in all kinds of opal and color gemstone both in manufacturi

Feb 15, 2026

Star Sapphire 12.56Ct Natural Golden Black 6 Rays Gold Star Sapphire

Ksmith Heritage Auctioneers

Est. $70-$1,000

Conus Shell Pendant With Mixed Gemstones: Title:Conus Shell Pendant With Mixed Gemstones Description:Cloth of Gold Cone shell set with Pink, Yellow and Lavender Sapphires, Egyptian Peridot, Smoky Quartz, Sunset Opal, Neon Apatite, Amethyst, A

Conus Shell Pendant With Mixed Gemstones

Chairish Auctions

Est. $3,000-$3,500

$1,200

Star Sapphire 2.32Ct Natural Golden Black 6 Rays Star Sapphire: Ksmith Jewels Global Welcome to our auction house, today auction brought to you by Ksmith Jewels Global based in Penang, Malaysia specialize in all kinds of opal and color gemstone both in manufacturi

Feb 15, 2026

Star Sapphire 2.32Ct Natural Golden Black 6 Rays Star Sapphire

Ksmith Heritage Auctioneers

Est. $70-$1,000

STERLING SILVER PENDANT W/ GREEN AMETHYST & OPAL: Sterling silver ladies pendant with a 28ct green amethyst center stone surrounded by orange opal, peridot, and green opal gemstones. The piece features gold plating around the peridot stones and black

Mar 07, 2026

STERLING SILVER PENDANT W/ GREEN AMETHYST & OPAL

Florida Estate Sales Inc.

Est. $100-$10,000

Tanzanite, Diamond, and Opal Inlay Bracelet in 14k Yellow Gold: In 14k Yellow Gold. Contains ten 3x5mm high quality natural Tanzanite gemstones, approximately 2.5ct TW, with vibrant color and excellent clarity. Also contains five 10mm high quality natural black Op

6 hrs Left

Tanzanite, Diamond, and Opal Inlay Bracelet in 14k Yellow Gold

Eric's Estate & Jewelry

Est. $3,835-$5,753

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