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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

4 days Left

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

Est. $60-$120

17.81 Carats Deep Blue and Brown Matrix Boulder Opal Cabochon - Natural Australian Stone, 41XM: This substantial boulder opal cabochon features a dramatic, layered composition of deep blue opal interwoven with rich brown and maroon ironstone matrix, accented by milky white opal veins that flow a

4 days Left

17.81 Carats Deep Blue and Brown Matrix Boulder Opal Cabochon - Natural Australian Stone, 41XM

Est. $80-$160

10.12 Carats Multi-Tone Opal Cabochon Trio - Natural Ethiopian Stones - 11 to 14mm, 19XA: This radiant trio of Ethiopian opals showcases a dreamy spectrum of play-of-color-from fiery reds and oranges to serene flashes of green, blue, and violet. Each cabochon is domed and polished to a gla

4 days Left

10.12 Carats Multi-Tone Opal Cabochon Trio - Natural Ethiopian Stones - 11 to 14mm, 19XA

Est. $40-$80

3.82 Carats Koroit Boulder Opal Cabochon - Natural Australian Stones 12.8x9.5mm, 7XM: This exceptional 3.82-carat Koroit boulder opal cabochon is a natural geological masterpiece, featuring a dense, intricate matrix of swirling chocolate-brown and deep plum ironstone, interwoven with v

4 days Left

3.82 Carats Koroit Boulder Opal Cabochon - Natural Australian Stones 12.8x9.5mm, 7XM

Est. $60-$120

7.13 Carats Multicolor Iridescent Boulder Opal Cabochon - Natural Australian Stone, 50XM: This striking boulder opal cabochon features an elongated, tapered form with a rich brown ironstone matrix interspersed with vibrant, iridescent opal inclusions. The stone's polished surface showcases

4 days Left

7.13 Carats Multicolor Iridescent Boulder Opal Cabochon - Natural Australian Stone, 50XM

Est. $60-$120

2.72 Carats Koroit Yowah Opal Cabochon - Natural Australian Single Stone, 79XL: This striking Koroit Yowah opal cabochon, measuring 12.7x8.5mm, features a dense, layered ironstone matrix in deep chocolate brown and warm tan, interwoven with broad, milky-blue opal veins. Concentra

4 days Left

2.72 Carats Koroit Yowah Opal Cabochon - Natural Australian Single Stone, 79XL

Est. $60-$120

4.26 Carats Koroit Yowah Opal Cabochon - Natural Australian Single Stone, 87XL: This striking Koroit Yowah opal cabochon, measuring 13.4x9.6mm, features a complex, vein-like ironstone matrix in layered tones of deep plum, rich brown, and warm tan. The matrix is crisscrossed by a

4 days Left

4.26 Carats Koroit Yowah Opal Cabochon - Natural Australian Single Stone, 87XL

Est. $60-$120

17.32 Carats Winton Boulder Opal Rough - Natural Australian Stone, 37XP: This substantial Winton boulder opal rough showcases a striking band of ethereal sky-blue and aqua-green play-of-color, nestled within its natural ironstone host rock. Measuring precisely at 29.3 x 11

4 days Left

17.32 Carats Winton Boulder Opal Rough - Natural Australian Stone, 37XP

Est. $60-$120

5.82 Carats Soft Blue and Iridescent Green Boulder Opal Cabochon - Natural Australian Stone, 46XM: This striking boulder opal cabochon features a smooth, triangular form with a rich brown ironstone matrix framing a luminous core of soft blue opal, accented by delicate iridescent green and golden fl

4 days Left

5.82 Carats Soft Blue and Iridescent Green Boulder Opal Cabochon - Natural Australian Stone, 46XM

Est. $80-$160

4.37 Carats Pear-Shaped Cabochon Opal - Natural Ethiopian Stone 16.9x10.6x6.2mm, 19XH: This elegant Welo opal offers a soft, glowing palette of pastel fire-flashes of rose, blush pink, and hints of lavender swirl beneath its smooth, pear-shaped surface. The opal's translucent body tone

4 days Left

4.37 Carats Pear-Shaped Cabochon Opal - Natural Ethiopian Stone 16.9x10.6x6.2mm, 19XH

Est. $20-$40

3.52 Carats Koroit Yowah Opal Cabochon - Natural Australian Single Stone, 82XL: This striking Koroit Yowah opal cabochon, measuring 13.3x9.7mm, features a rich, earthy brown ironstone matrix crisscrossed by a network of vivid, iridescent opal veins. The opal inclusions emit inten

4 days Left

3.52 Carats Koroit Yowah Opal Cabochon - Natural Australian Single Stone, 82XL

Est. $60-$120

1.99 Carats Iridescent Blue and Violet Boulder Opal Cabochon - Natural Australian Stone, 59XM: This striking boulder opal cabochon features a translucent, milky base infused with delicate iridescent flashes of blue and violet, set against a contrasting matrix of earthy brown and golden inclusio

4 days Left

1.99 Carats Iridescent Blue and Violet Boulder Opal Cabochon - Natural Australian Stone, 59XM

Est. $60-$120

23.95 Carats Winton Boulder Opal Rough Slab - Natural Australian Stone, 36XP: This striking Winton boulder opal rough slab showcases a luminous band of ethereal sky-blue and pale aqua play-of-color, nestled within its natural ironstone host rock. Measuring precisely at 27.6 x 1

4 days Left

23.95 Carats Winton Boulder Opal Rough Slab - Natural Australian Stone, 36XP

Est. $60-$120

19.97 Carats Winton Boulder Opal Rough Specimen - Natural Australian Stone, 39XP: This exquisite Winton boulder opal rough specimen showcases a brilliant band of vivid sky-blue and periwinkle play-of-color, with subtle hints of lavender iridescence that glow softly under light. Mea

4 days Left

19.97 Carats Winton Boulder Opal Rough Specimen - Natural Australian Stone, 39XP

Est. $60-$120

6.68 Carats Cream-Blue Boulder Opal with Dark Matrix - Natural Australian Stone, 36XM: This substantial boulder opal presents a striking visual narrative, with a creamy, pale base that transitions into soft, iridescent blue opal layers, all dramatically framed by a large, dark, textured

4 days Left

6.68 Carats Cream-Blue Boulder Opal with Dark Matrix - Natural Australian Stone, 36XM

Est. $60-$120

3.63 Carats Koroit Boulder Opal Cabochon - Natural Australian Stones 11.3x9.2mm, 10XM: This exceptional 3.63-carat Koroit boulder opal cabochon is a natural work of art, featuring vivid veins of electric blue and iridescent play-of-color that snake through a warm, earthy ironstone matri

4 days Left

3.63 Carats Koroit Boulder Opal Cabochon - Natural Australian Stones 11.3x9.2mm, 10XM

Est. $80-$160

22.48 Carats Winton Boulder Opal Rough Slab - Natural Australian Stone, 44XP: This elegant Winton boulder opal rough slab showcases a luminous band of soft sky-blue and pale lavender play-of-color, with subtle hints of violet iridescence that glow gently under light. Measuring

4 days Left

22.48 Carats Winton Boulder Opal Rough Slab - Natural Australian Stone, 44XP

Est. $60-$120

7.27 Carats Soft Blue and Lavender Boulder Opal Cabochon - Natural Australian Stone, 63XM: This substantial boulder opal cabochon features a soft, milky base of pale blue and lavender, infused with delicate, iridescent undertones that shift with light. The stone's triangular form showcases

4 days Left

7.27 Carats Soft Blue and Lavender Boulder Opal Cabochon - Natural Australian Stone, 63XM

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

4 days Left

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

Est. $60-$120

Apr 12, 2026

DIAMOND & GEMS 10 SLIDE CHARM BRACELET

Est. $14,400-$21,120

18K Yellow Gold 4.92 Ct Opal Diamond Bracelet 108 Stones: 18K Yellow Gold 4.92 Ct Opal Diamond Bracelet 108 Stones This exquisite 18K Yellow Gold bracelet features a stunning 4.92 Ct. Sugarloaf Opal, complemented by a total of 108 sparkling diamonds weighing

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18K Yellow Gold 4.92 Ct Opal Diamond Bracelet 108 Stones

$16,650(20 bids)

24.95 Carats Pastel Play-of-Color Welo Opal Lot - Natural Ethiopian Stones - 11 to 14 mm, 49XK: This luminous collection of Welo opals delights with soft body tones and a full-spectrum play-of-color. Ranging from translucent white to milky blue, each cabochon displays inner flashes of neon green

4 days Left

24.95 Carats Pastel Play-of-Color Welo Opal Lot - Natural Ethiopian Stones - 11 to 14 mm, 49XK

Est. $60-$120

10.56 Carats Brown Matrix and Violet Vein Yowah Opal Cabochon - Natural Australian Stone, 45XM: This striking Yowah opal cabochon features a smooth, oval form with a rich brown ironstone matrix crisscrossed by delicate, iridescent violet veins of opal. The stone's polished surface enhances the c

4 days Left

10.56 Carats Brown Matrix and Violet Vein Yowah Opal Cabochon - Natural Australian Stone, 45XM

Est. $60-$120

Featured

5.11 Carats Koroit Boulder Opal Cabochon - Natural Australian Stones 13.3x9.5mm, 13XM: This exceptional 5.11-carat Koroit boulder opal cabochon is a natural masterpiece, showcasing a dense, intricate tapestry of multicolored play-of-color set within a rich, earthy ironstone matrix. The

4 days Left

5.11 Carats Koroit Boulder Opal Cabochon - Natural Australian Stones 13.3x9.5mm, 13XM

Est. $80-$160

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