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Two loose opals, oval cabochon cut. Size 0.82ct and 0.80ct…

Pair of Oval Cabochon Opals - 1.62ct Total

Two loose opals, oval cabochon cut. Size 0.82ct and 0.80ct approx.

Five loose black opals, oval cabochon cut of approx. 0.80ct…

Set of 5 Oval Black Opals, Approx. 0.80ct Each

Five loose black opals, oval cabochon cut of approx. 0.80ct each. Probably Australian.

An 11.9ct oval cabochon cut opal bright white opal with…

11.9ct Oval Opal with Dominant Red-Pink Colors

An 11.9ct oval cabochon cut opal bright white opal with dominate red to pink colours some greens and violet seen large broad intense to strong flashes 21 x 16 mm and 2.4 grams

Loose opal, length 2 cm approximately

2 cm Loose Opal for Jewelry Making

Loose opal, length 2 cm approximately

Four loose Australian opals, free-form, in blue and green tones.

Blue and Green Free-Form Opals from Australia

Four loose Australian opals, free-form, in blue and green tones.

Three loose white opals, each of different size and shape,…

Assorted Spectral Opals in Various Shapes and Sizes

Three loose white opals, each of different size and shape, presenting as a small square shaped, cabochon cut solid measuring 9.3 x 9.5 mm, the second a large wide oval shaped, cabochon measuring 24 x 18 mm and finally a marquise shaped cabochon measuring,…

A loose solid black opal free form with blues, greens and some…

Stunning Australian Black Opal with Vibrant Colors

A loose solid black opal free form with blues, greens and some flashes of purple and orange Approx length 19.6 mm x 11 mm of Australian type

A loose opal of 20.30ct, one loose oval cabochon cut and…

20.30ct Dark Opal Cabochon with Spectral Colors

A loose opal of 20.30ct, one loose oval cabochon cut and polished dark opal, measuring 25.1 x 15.1 x, 8.22 mm, weighing a known weight of 20.30ct, displaying large rolling blocks, of green and blue spectral colours. Valuation on request.

One loose tear drop shaped Australian opal

Australian Opal Tear

One loose tear drop shaped Australian opal

Four loose pear shaped Australian opals

Australian Opal Quartet

Four loose pear shaped Australian opals

5.08ct South Australian loose opal, with Certificate of…

5.08ct SA Opal with Certificate of Guarantee

5.08ct South Australian loose opal, with Certificate of Guarantee.

Freeform loose solid natural Boulder opal, approx: 9.8 carats

9.8ct Freeform Natural Boulder Opal

Freeform loose solid natural Boulder opal, approx: 9.8 carats

A loose opal, pear cut opal of approx. 1.15 carat.

1.15 ct Pear Cut Loose Opal

A loose opal, pear cut opal of approx. 1.15 carat.

Four loose stones, including an opal, an opal doublet, onyx and…

Assorted Loose Stones: Opal, Opal Doublet, Onyx, Sapphire

Four loose stones, including an opal, an opal doublet, onyx and sapphire.

Unset heart shaped Australian solid opal

Australian Opal: Unset Heart Shape

Unset heart shaped Australian solid opal

Three unset pear shaped Australian solid opals

Unset Australian Opals: Three Pear-Shaped Gems

Three unset pear shaped Australian solid opals

Unset boomerang shaped Australian solid opal

Australian Opal: Unset Boomerang-Shaped Beauty

Unset boomerang shaped Australian solid opal

Unset solid opal

Unset Opal: Raw Beauty

Unset solid opal

An unset boulder opal, good colour range, wt. 6.07ct, (18 x 13…

Vibrant 6.07ct Unset Boulder Opal - 18x13mm

An unset boulder opal, good colour range, wt. 6.07ct, (18 x 13 mm).

Unset 7.42ct Australian polished sold opal

7.42ct Australian Opal - Sold!

Unset 7.42ct Australian polished sold opal

Unset 3.35ct Australian polished sold opal

3.35ct Australian Polished Opal for Sale

Unset 3.35ct Australian polished sold opal

Unset 4.99ct Australian polished solid opal

Stunning 4.99ct Australian Opal - Polished and Solid

Unset 4.99ct Australian polished solid opal

Two loose opals, 25.06×17.67×59 mm and 9.85×8.43 x 3 mm

Two Loose Opals: Varying Sizes for Unique Jewelry Making

Two loose opals, 25.06×17.67×59 mm and 9.85×8.43 x 3 mm

A loose opal, marquise cut, 1.9 x 0.7 cm

Marquise Opal Loose Gemstone - 1.9 x 0.7 cm

A loose opal, marquise cut, 1.9 x 0.7 cm

A loose opal, pear shaped. Length 16 mm

Pear-Shaped Opal, 16mm Length

A loose opal, pear shaped. Length 16 mm

Four loose opals, marquise shaped, 10 x 4 mm

Set of Four 10x4mm Marquise Opals

Four loose opals, marquise shaped, 10 x 4 mm

Three loose white opals, Presented as three oval cabochon cut…

Triplet of Spectral Opals

Three loose white opals, Presented as three oval cabochon cut loose Australian white opals, one measuring 11.45 x 9.4 mm with strong red spectral colours, the second measuring 11.6 x 9.8 mm with strong green and blue spectral colours and the final…

Two unset opals, one as inspected

Unset Opals: One Inspected

Two unset opals, one as inspected

Unset pear shaped opal

Unset Opal: Perfectly Pear-Shaped

Unset pear shaped opal

Outstanding & unique 117 ct Lightning ridge black opal, set in…

117 ct Lightning Ridge Black Opal Belt Buckle

Outstanding & unique 117 ct Lightning ridge black opal, set in a ladies 18ct gold belt buckle with a diamond and emerald surround, and a bespoke Hermes crocodile belt approx Specifications: GSL certificate, solid natural opal (type 1), Variety black N2,…

Unset pear shaped solid opal

Unset Opal: Perfect for Custom Jewelry

Unset pear shaped solid opal

Five various unset pear shaped solid opals

Assorted Pear Opals: Unset and Solid

Five various unset pear shaped solid opals

Unset marquise shaped solid opal

Unset Marquise Opal: A Stunning Gemstone

Unset marquise shaped solid opal

Three unset Australian solid black opals

Unset Black Opals from Australia

Three unset Australian solid black opals

Loose polished crystal opal, 3.5ct

Polished Crystal Opal - 3.5ct

Loose polished crystal opal, 3.5ct

Loose polished crystal opal, 3.75ct

Polished Crystal Opal - 3.75ct Loose Stone

Loose polished crystal opal, 3.75ct

A good unmounted oval Australian black opal. Lightning ridge…

Vibrant 3.6 ct Lightning Ridge Black Opal Oval

A good unmounted oval Australian black opal. Lightning ridge type, 3.6 carats. Dimensions 13.6 mm x 10 mm. Showing a vibrant colour display.

Two unset white opals, totalling 2.66ct

2.66ct Pair of Unset White Opals

Two unset white opals, totalling 2.66ct

Unset pear shaped opal

Unset Opal: Perfectly Pear-Shaped

Unset pear shaped opal

Opal. A rectangular cabochon of natural semi black opal with…

Semi Black Opal Cabochon with Colorful Hues

Opal. A rectangular cabochon of natural semi black opal with greens and blues to one side and reds and oranges to the other size 24 x 11.2 mm

Unset pear shaped Australian opal

Unset Opal: Stunning Australian Beauty

Unset pear shaped Australian opal

Unset solid opal (7.35ct) cabochon

7.35ct Unset Solid Opal Cabochon

Unset solid opal (7.35ct) cabochon

Unset solid boulder opal (9.9ct) cabochon good red colour…

Red Seamed Boulder Opal Cabochon (9.9ct)

Unset solid boulder opal (9.9ct) cabochon good red colour through seams

A loose crystal white opal, one loose freeform cabochon crystal…

Sparkling 13.34ct Crystal White Opal Cabochon

A loose crystal white opal, one loose freeform cabochon crystal white opal, measuring 14.8 mm x 27 mm, strong aqua, green and blue in colour with flashes of orange, weighing 13.34ct

An opal and diamond cluster ring, the oval solid white opal cut…

Opal and Diamond Cluster Ring

An opal and diamond cluster ring, the oval solid white opal cut en cabochon having four graduated round brilliant cut diamonds set to each shoulder totalling 0.80cts, mounted in 18ct white gold, ring size U. Condition: ring presents in good condition.…

Unset pear shaped black opal

Unset Black Opal: Perfect Pear Shape

Unset pear shaped black opal

Unset pear shaped Australian opal

Unset Australian Opal: Perfect for Custom Jewelry

Unset pear shaped Australian opal

Eight unset pear-shaped Australian opals

Australian Opal Set: 8 Pear-Shaped Beauties

Eight unset pear-shaped Australian opals

Loose black opal (2ct)

2ct Loose Black Opal

Loose black opal (2ct)

A loose solid black opal, the oval opal cut en cabochon…

9.71ct Oval Black Opal with Colorful Play of Colors

A loose solid black opal, the oval opal cut en cabochon displaying green, blue and red play of colours, measuring 22.9 mm x 14.45 mm weighing 9.71cts

One loose solid white opal, 4.70ct measures 18 x 10 mm, 4.70ct

Large 4.70ct Solid White Opal - 18x10mm

One loose solid white opal, 4.70ct measures 18 x 10 mm, 4.70ct

Two loose opal Triplet Gemstones, oval- 28 x 20 mm.…

Large Opal Triplet Gemstones - Oval & Triangular Shapes

Two loose opal Triplet Gemstones, oval- 28 x 20 mm. Triangular-22 x 15 mm

Four unmounted Gemstones, 2 white opals totalling 7.83ct, a…

Opals, Lapis, and Garnet Gemstones Set

Four unmounted Gemstones, 2 white opals totalling 7.83ct, a cabochon lapis and garnet (small chip to base of garnet

Unset black opal

Unleashed Opal

Unset black opal

Two good colour solid unset white opals approx 2 grams

Pair of 2g Unset White Opals - Stunning Colors!

Two good colour solid unset white opals approx 2 grams

Box of 12 loose marquise shape opals

12 Loose Marquise Opals

Box of 12 loose marquise shape opals

Two unset Boulder matrix opals approx 8.8 grams

8.8g Unset Boulder Matrix Opals

Two unset Boulder matrix opals approx 8.8 grams

A loose oval white opal, 20.1 x 15.1 mm

Large Oval White Opal

A loose oval white opal, 20.1 x 15.1 mm

Three loose white opals, two oval cut, one quadrilateral cut.

Three White Opals: Oval and Quadrilateral Cuts

Three loose white opals, two oval cut, one quadrilateral cut.

An unset 17.81ct solid white opal.

17.81ct Unset White Opal

An unset 17.81ct solid white opal.

Three loose opals. Presented as three loose opals, two oval…

Vibrant Loose Opals: Trio of Multi-Spectral Gems

Three loose opals. Presented as three loose opals, two oval shaped, one pear shaped, each of strong multi spectral colours, measuring 45 x 35 mm, 22 x 17 mm and 20 x 13 mm

Unset Australian opal (approx 4cts)

4ct Unset Australian Opal

Unset Australian opal (approx 4cts)

Unset black opal (1ct approx)

1ct Unset Black Opal

Unset black opal (1ct approx)

Three gold rings; one in 14ct with an abraded opal (4.3g,…

Gold Rings with Opal, Nephrite, and Unset Mount

Three gold rings; one in 14ct with an abraded opal (4.3g, stamped 18k), one in 18ct set with nephrite (6.5g) and a 9ct unset mount (3.5g)

A collection of tumbled white opal, the three opals mounted in…

Melba's White Opal Collection

A collection of tumbled white opal, the three opals mounted in pronged metal settings, length approximately 63 mm. Property from the Collection of Dame Nellie Melba GBE

Unset Australian opal (4cts)

4ct Unset Australian Opal

Unset Australian opal (4cts)

Unset Australian opal (6cts)

6ct Unset Australian Opal

Unset Australian opal (6cts)

Eight loose beads three pairs; two single; carved dragons in…

Assorted Beads and Carvings with Enamel and Opal Inlay

Eight loose beads three pairs; two single; carved dragons in ivory, carved flowers in wood with signature; red enamel with opal inlay; black enamel with incised leaves; red enamel with incised design; origin unknown; excellent condition 7 mm - 1 cm

Selection of unset gemstones, including opal, garnet etc

Unset Gemstones: Opal, Garnet, and More

Selection of unset gemstones, including opal, garnet etc

Unset opal Triplet

Opal Triplet Unset

Unset opal Triplet

An unset solid white opal; displaying fine spectral colours, wt.…

Fine Spectral White Opal, 15ct

An unset solid white opal; displaying fine spectral colours, wt. 15ct

Loose opals three solid white opals, oval in shape, 3.45ct and…

White Oval Opals with Green and Red Hues

Loose opals three solid white opals, oval in shape, 3.45ct and 2 x 0.75ct, white with green red colour

Loose opals three solid white opals, oval in shape, 0.85ct, 1.…

Colorful Oval Opals: 3 Loose White, Green and Red

Loose opals three solid white opals, oval in shape, 0.85ct, 1.37ct,and 1.72ct, green red in colour

Loose opals two solid white opals, oval in shape, 3.46ct in…

Green Blue Solid White Oval Opals, 3.46ct Total

Loose opals two solid white opals, oval in shape, 3.46ct in total, green blue colour

Loose opals two solid white opals, oval in shape, 10.83ct and…

Green-tinged White Opals: 10.83ct & 16.81ct Ovals

Loose opals two solid white opals, oval in shape, 10.83ct and 16.81ct, white with green colour

A loose opal one solid white opal, 9.98ct, oval in shape, white…

10ct Oval White Opal with Green and Red Hues

A loose opal one solid white opal, 9.98ct, oval in shape, white with green red colour

Loose opals two solid white opal, rectangle in shape, 3.37ct…

Blue-Green Solid Opals: 3.37ct and 7.8ct Rectangles

Loose opals two solid white opal, rectangle in shape, 3.37ct and 7.8ct, blue green in colour

Loose opals three solid crystal opal, pear shaped, 1 x 2.20ct,…

3 Stunning Crystal Opals - Blue and Red Hues

Loose opals three solid crystal opal, pear shaped, 1 x 2.20ct, 2x 1.07ct, white with blue red colour

Loose opals two solid white opals, oval in shape, 6.25ct, 11.…

White Oval Opals with Red Green Hues - 17.53ct Total

Loose opals two solid white opals, oval in shape, 6.25ct, 11.28ct, white with red green colour

Loose opals six boulder opal, free formed in shape,…

48ct Free-Formed Boulder Opals in Blue, Green & Red

Loose opals six boulder opal, free formed in shape, approximately 48ct, blue, green and red in colour

Loose opals two solid white opals, free formed, 3.10ct in total,…

Green and Red Freeform Opals, 3.10ct Total

Loose opals two solid white opals, free formed, 3.10ct in total, green red in colour

Loose opals four solid crystal opals, oval in shape, 3.67ct, 4.…

Blue Crystal Opals: 11ct to 3.67ct Loose Stones

Loose opals four solid crystal opals, oval in shape, 3.67ct, 4.26ct, 8.48ct, 11ct, with blue colour

Loose opals three solid white opals, oval in shape, 2.44ct, 3.…

White Oval Opals with Green and Red Hues

Loose opals three solid white opals, oval in shape, 2.44ct, 3.98ct and 5.19ct, white with green red colour

Loose opals two solid white opals, carved into a oval shape, 9.…

White Opals: Oval & Flower Carvings, 13.50ct Total Weight

Loose opals two solid white opals, carved into a oval shape, 9.30ct and a flower, 4.20ct, white with green and red colour

Loose opals two solid white opals, long pear shaped, 7.57ct in…

7.57ct White Opals with Green and Red Hues

Loose opals two solid white opals, long pear shaped, 7.57ct in total, white with green red colour

Loose opals one solid crystal opal, free form in shape, 8.95ct,…

Green Blue Solid Crystal Opal - 8.95ct Loose Form

Loose opals one solid crystal opal, free form in shape, 8.95ct, green blue in colour

Loose opals two solid white opals, oval in shape, 1.50ct, 1.…

White Oval Opals with Green Hue - 1.50ct & 1.65ct

Loose opals two solid white opals, oval in shape, 1.50ct, 1.65ct, white with green colour

A loose solid black opal oval in shape, 2.35ct, blue green in…

2.35ct Black Opal: Oval Shape, Blue-Green Color

A loose solid black opal oval in shape, 2.35ct, blue green in colour

A loose opal one oval crystal opal, oval in shape, 5.80ct,…

5.80ct Oval Crystal Opal with Green & Red Hues

A loose opal one oval crystal opal, oval in shape, 5.80ct, white with green red colour

A loose solid black opal oval in shape, 2.17ct, blue green in…

2.17ct Loose Black Opal: Stunning Blue Green Hue

A loose solid black opal oval in shape, 2.17ct, blue green in colour

A loose solid black opal, oval in shape, 5.22ct, black with…

5.22ct Oval Black Opal with Green-Red Color

A loose solid black opal, oval in shape, 5.22ct, black with green red colour

A loose opal one solid white opal, rectangle in shape, 15.12ct,…

15ct Rectangle Opal with Red and Green Hues

A loose opal one solid white opal, rectangle in shape, 15.12ct, white with red green colour

Two loose 1.70ct solid black opals pear in shape, 1.70ct, blue…

Pair of 1.70ct Pear-Shaped Black Opals with Blue/Red Hues

Two loose 1.70ct solid black opals pear in shape, 1.70ct, blue with red colour

Two loose 4.10ct solid black opals oval in shape, 4.10ct, blue…

Pair of 4.10ct Oval Black Opals with Blue-Red Hues

Two loose 4.10ct solid black opals oval in shape, 4.10ct, blue with red colour

A loose 4.70ct solid black opal oval in shape, 4.70ct, black…

Stunning 4.70ct Black Opal with Blue Hues

A loose 4.70ct solid black opal oval in shape, 4.70ct, black with blue colour