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A loose 15.60ct solid crystal opal one solid crystal opal,…

15.60ct Triangular Green Crystal Opal

A loose 15.60ct solid crystal opal one solid crystal opal, triangular in shape, 15.60ct, green in colour

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.

A loose black Bolder opal. One loose cabochon marquise shaped…

Vibrant Bolder Opal Cabochon - Green and Blue Spectral Colors

A loose black Bolder opal. One loose cabochon marquise shaped piece of bolder opal, measuring 13.5 x 7 mm, displaying strong green and blue spectral colours in block form.

Loose Ethiopian type opal weight 22ct

22ct Ethiopian Opal - Loose Type

Loose Ethiopian type opal weight 22ct

A loose opal, pear shaped. Length 16 mm

Pear-Shaped Opal, 16mm Length

A loose opal, pear shaped. Length 16 mm

Three unset gemstones, an 11.63ct bean shape solid white opal,…

Three Unset Gemstones: Opal, Agate, and Zirconia

Three unset gemstones, an 11.63ct bean shape solid white opal, 26.5 x 11.72 mm, a 17.62ct cabochon agate, 19.21 x 7.19 mm and a 9.41ct pear cut zirconia.

An unset opal, near square, 10.2 x 11.5 cm, 3.67ct.

Unset Square Opal: 3.67ct, 10.2x11.5cm

An unset opal, near square, 10.2 x 11.5 cm, 3.67ct.

Loose black opal 16 mm x 13 mm showing strong red, flashes of…

Strong Red Flash Black Opal - 4.50ct

Loose black opal 16 mm x 13 mm showing strong red, flashes of blue green and oranges. Black inclusion to outer edge. Approx 16 mm x 13 mm x 3.2 mm depth 4.50ct

Four loose pear shaped Australian opals

Australian Opal Quartet

Four loose pear shaped Australian opals

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

Unset marquise shaped solid opal

Unset Marquise Opal: A Stunning Gemstone

Unset marquise shaped solid opal

Unset Australian opal (6cts)

6ct Unset Australian Opal

Unset Australian opal (6cts)

Three unset boulder opals; freeform (24.30 x 15.38 x 4 mm,…

Unset Boulder Opals: 16.04ct Total Weight

Three unset boulder opals; freeform (24.30 x 15.38 x 4 mm, chipped), oval (11.28 x 7.63 x 4.07 mm), and round (8.87 x 3.5 mm), total wt. 16.04ct.

An unset opal, trapezoid, 7.9 x 1.3 cm, 2.00ct.

Unset Trapezoid Opal: 2.00ct, 7.9 x 1.3cm

An unset opal, trapezoid, 7.9 x 1.3 cm, 2.00ct.

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 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

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

Pair of loose black opals approx cab size 7 x 5 mm

Loose Black Opal Pair - 7x5mm Cab Size

Pair of loose black opals approx cab size 7 x 5 mm

Two loose opal cabochons, pear 2.45ct, oval1.90ct

Opal Cabochons: Pear 2.45ct & Oval 1.90ct

Two loose opal cabochons, pear 2.45ct, oval1.90ct

Five loose white solid opals, total weight 12.40ct

12.40ct White Opal Set of 5 Loose Solids

Five loose white solid opals, total weight 12.40ct

Loose opal, 5.15ct strong red orange flashes, some yellow, blue,…

5.15ct Loose Opal with Strong Red Orange Flashes

Loose opal, 5.15ct strong red orange flashes, some yellow, blue, green

Five loose opal cabochons 4.2 ct, 0.80ct, 1.00ct* chipped, 0.…

Assorted Opal Cabochons - 5 Pieces

Five loose opal cabochons 4.2 ct, 0.80ct, 1.00ct* chipped, 0.65ct, 1.35ct

Unset heart shaped Australian solid opal

Australian Opal: Unset Heart Shape

Unset heart shaped Australian solid opal

Unset solid opal

Unset Opal: Raw Beauty

Unset solid opal

Unset Australian opal (4cts)

4ct Unset Australian Opal

Unset Australian opal (4cts)

Four unset Ethiopian opals, 7.25ct pear shape, 13.7 x 17.15 mm,…

Unset Ethiopian Opals: 4 Pear & Oval Shapes

Four unset Ethiopian opals, 7.25ct pear shape, 13.7 x 17.15 mm, 3.87ct pear shape, 14.8 x 9.55 mm, 3.18ct oval, 15.7 x 7.6 mm, 4.01ct pear shape 13.38 x 9.36 mm, three smaller stones treated.

Loose opal, length 2 cm approximately

2 cm Loose Opal for Jewelry Making

Loose opal, length 2 cm approximately

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

A loose opal triplet, and a loose oval facetted brown topaz.

Loose Opal Triplet and Oval Brown Topaz

A loose opal triplet, and a loose oval facetted brown topaz.

Loose opal, 3.15ct cabochon strong play of colour

Intense 3.15ct Opal Cabochon with Strong Colour Play

Loose opal, 3.15ct cabochon strong play of colour

Loose black boulder opal, 5.90ct, strong play of colour, dull…

5.90ct Black Opal with Strong Colour Play

Loose black boulder opal, 5.90ct, strong play of colour, dull patch in one corner

Four loose opal cabochons 2@ pink opals total weight 2.05ct, 1@…

Colorful Opal Cabochons: 4 Loose Stones

Four loose opal cabochons 2@ pink opals total weight 2.05ct, 1@ crystal opal 1.90ct showing strong red, orange green colours, 1@ jelly opal 2.20ct showing flashes of orange and green

Two loose black opals showing purple to blue display of colour.…

Pair of Purple-Blue Black Opals, 5ct

Two loose black opals showing purple to blue display of colour. dimensions 10.92 mm x 10.00 mm x 3.9 mm & 10.8 mm x 8.3 mm x 4.3 mm weight 5ct

Fifteen loose black opal cabochons approx size 7.5 mm x 5 mm…

15 Black Opal Cabochons - 7.5x5mm

Fifteen loose black opal cabochons approx size 7.5 mm x 5 mm each

Australian opal solid loose stone

Australian Solid Opal Loose Stone

Australian opal solid loose stone

Three unset pear shaped Australian solid opals

Unset Australian Opals: Three Pear-Shaped Gems

Three unset pear shaped Australian solid opals

Five various unset pear shaped solid opals

Assorted Pear Opals: Unset and Solid

Five various unset pear shaped solid opals

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

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

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

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

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.

Five loose / matrix opals, 21.8ct, 18.95ct, 9.60ct, 11.40ct, 9.…

Assorted Matrix Opals - 5 Loose Stones, 71.25ct Total

Five loose / matrix opals, 21.8ct, 18.95ct, 9.60ct, 11.40ct, 9.50ct

Three loose crystal opal total weight 6.2ct.

6.2ct Trio of Loose Crystal Opals

Three loose crystal opal total weight 6.2ct.

Loose black opal cabochon approx. weight 2.2ct

2.2ct Loose Black Opal Cabochon

Loose black opal cabochon approx. weight 2.2ct

Loose white opal, 11 mm x 9 mm, 4 mm depth, weight 2.2ct, chip…

Chipped 2.2ct White Opal, 11x9mm, 4mm Depth

Loose white opal, 11 mm x 9 mm, 4 mm depth, weight 2.2ct, chip to the girdle

Loose opal (9 mm x 7.5 mm) showing red, blue and green colours,…

Colorful Opal Flashing Red, Blue, and Green Colors

Loose opal (9 mm x 7.5 mm) showing red, blue and green colours, flashes of purple. Approx dimension 9.31 mm x 7.55 mm x 2.76 mm 1.07ct calculated weight

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.

Selection of unset gemstones, including opal, garnet etc

Unset Gemstones: Opal, Garnet, and More

Selection of unset gemstones, including opal, garnet etc

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

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 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

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

A loose 1.04ct solid black opal oval in shape, 1.04ct, green in…

1.04ct Solid Black Opal Oval with Green Hue

A loose 1.04ct solid black opal oval in shape, 1.04ct, green in colour

Two loose fish shaped opals two solid white opals carved into…

Fish Opal Set: Loose and Carved, White with Green Hues

Two loose fish shaped opals two solid white opals carved into fish shapes, 5.33ct and 6.19ct, white with green colours

A loose doublet opal, in original packaging.

Loose Doublet Opal in Original Packaging

A loose doublet opal, in original packaging.

Three loose crystal (jelly) opals 6.10ct with broad yellow…

Colorful Crystal Opals with Stunning Flashes

Three loose crystal (jelly) opals 6.10ct with broad yellow colour and flashes of blue/purple, 5.25ct strong blue / purple with flashes of green, 4.95ct, strong purple blue patches

Loose solid opal, 2.15ct strong green play of colour

2.15ct Green Opal with Strong Play of Colour

Loose solid opal, 2.15ct strong green play of colour

Three loose black opals and a doublet, 8.50ct strong green and…

Stunning Black Opals - Green and Blue Hues

Three loose black opals and a doublet, 8.50ct strong green and blue with matrix, 1.35ct, 0.95ct sealed back, 4.45ct doublet

Loose crystal opal, weight 3.40ct, blue and green colour with…

3.40ct Blue-Green Opal with Orange Flashes

Loose crystal opal, weight 3.40ct, blue and green colour with flashes of orange

Loose solid opal weight 3.00ct

3.00ct Loose Solid Opal

Loose solid opal weight 3.00ct

Two loose opals cabochons approx; 22 x 10 x 3.2 mm, 5.10ct…

Opal Cabochons: Blue-Purple and Green-Orange Flashes, 8.85ct Total

Two loose opals cabochons approx; 22 x 10 x 3.2 mm, 5.10ct strong blue- purple with green flashes. 13 x 9.5 x 4.7 mm, 3.75ct dark green andamooka type with some orange red flashes. Some non visible chips to the bottom

Four loose black opal cabochons

4 Black Opal Cabochons

Four loose black opal cabochons

One loose tear drop shaped Australian opal

Australian Opal Tear

One loose tear drop shaped Australian opal

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.

Unset solid opal (7.35ct) cabochon

7.35ct Unset Solid Opal Cabochon

Unset solid opal (7.35ct) cabochon

Two unset white opals, totalling 2.66ct

2.66ct Pair of Unset White Opals

Two unset white opals, totalling 2.66ct

Loose solid Australian opal, length 1.5 cm

1.5 cm Loose Australian Opal - Solid and Stunning

Loose solid Australian opal, length 1.5 cm

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 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

Five loose mixed opals includes. boulder opal 7.80ct, matrix…

Assorted Opal Lot: 5 Loose Stones

Five loose mixed opals includes. boulder opal 7.80ct, matrix opal 25.40ct, solid 2.80ct, solid oval 7.50ct, solid oval with orange body 5.00ct

Loose solid opal and a doublet, 2.00ct, dimensions 13.5 x 10.8…

2.00ct Loose Opal Doublet with Sealant Patch

Loose solid opal and a doublet, 2.00ct, dimensions 13.5 x 10.8 x 2.3 mm, patch of sealant to the reverse

Loose boulder opal approx weight 1.00 ct, 20 x 10 mm

Boulder Opal Loose Gemstone - 1.00 ct, 20x10mm

Loose boulder opal approx weight 1.00 ct, 20 x 10 mm

Six loose purple blue opals, 1.60ct strong play of colour some…

21.80ct Dark Opals with Strong Play of Colour

Six loose purple blue opals, 1.60ct strong play of colour some crazing, 6.75ct blue purple patches some translucence, x4 = 21.80ct total weight dark

Three loose blue / purple opals, weight 10.10ct, 4.90ct, 2.00ct

Assorted Blue/Purple Opals: 10.10ct, 4.90ct, 2.00ct

Three loose blue / purple opals, weight 10.10ct, 4.90ct, 2.00ct

Three loose opals, cabochon 17.10ct light play of colour, 7.…

Colorful Opal Trio: 17.10ct, 7.20ct, 3.75ct

Three loose opals, cabochon 17.10ct light play of colour, 7.20ct freeform red play of colour in patches broad green, 3.75ct oval disc crystal type

Loose crystal opal cabochon size 11.8 x 7.1 mm, weight 2.30ct

2.30ct Loose Crystal Opal Cabochon - 11.8x7.1mm

Loose crystal opal cabochon size 11.8 x 7.1 mm, weight 2.30ct

Unset Australian opal (approx 4cts)

4ct Unset Australian Opal

Unset Australian opal (approx 4cts)

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

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

Two loose opals, 2.95ct, 0.95ct

Pair of Loose Opals: 2.95ct & 0.95ct

Two loose opals, 2.95ct, 0.95ct

Four loose opals, marquise shaped, 10 x 4 mm

Set of Four 10x4mm Marquise Opals

Four loose opals, marquise shaped, 10 x 4 mm

Unset pear shaped opal

Unset Opal: Perfectly Pear-Shaped

Unset pear shaped opal

Unset pear shaped Australian opal

Unset Opal: Stunning Australian Beauty

Unset pear shaped Australian opal

Two unset Boulder matrix opals approx 8.8 grams

8.8g Unset Boulder Matrix Opals

Two unset Boulder matrix opals approx 8.8 grams

An unset 17.81ct solid white opal.

17.81ct Unset White Opal

An unset 17.81ct solid white opal.

Two loose white opals, 0.60ct and 0.43ct both have strong play…

Vibrant White Opals with Strong Play of Color

Two loose white opals, 0.60ct and 0.43ct both have strong play of colour, one has more red

Loose boulder opal approx. size 29 mm x 24 mm x 6 mm

Large Loose Boulder Opal - 29x24x6mm

Loose boulder opal approx. size 29 mm x 24 mm x 6 mm

Unset opal Triplet

Opal Triplet Unset

Unset opal Triplet

Loose jelly opal approx weight 1.23ct

1.23ct Loose Jelly Opal

Loose jelly opal approx weight 1.23ct

Three good loose opal doublets free form cabochon 20 x 13.3 mm…

Colorful Loose Opal Doublets in Various Shapes and Hues

Three good loose opal doublets free form cabochon 20 x 13.3 mm blue to purple colour, square disc 14.6 x 14.6 mm light green and blues, oval cabochon 10.7 x 15.8 mm dark blue to purple and strong green flashes

Loose solid Australian opal approx size 21.5 mm x 7.8 mm x 2.8…

3.40ct Australian Opal: Loose Solid Beauty

Loose solid Australian opal approx size 21.5 mm x 7.8 mm x 2.8 mm, estimated 3.40ct,

Unset boomerang shaped Australian solid opal

Australian Opal: Unset Boomerang-Shaped Beauty

Unset boomerang shaped Australian solid opal