A group of unmounted opals

A group of unmounted opals comprising 19 round and oval cabochons and one rectangular faceted opal, weighing from approximately 0.77 to 16.49 carats, all crazed and/or cracked; estimated total gem wei

A group of unmounted opalcomprising of 28 oval and round opal and fire opal cabochons, weighing from approximately 0.66 - 7.58 carats; weighing in total approximately: 59.95 carats

A Collection of Unmounted Opals. Comprising a black opal, boulder opals and Australian opals. Together with an opal tie tack in a goldfilled mounting

Unmounted opal featuring one irregular form opal cabochon displaying blue, green and orange play of color, measuring approximately 20.60 x 20.90 x 7.17 mm and weighs 20.41 cts.

Unmounted opal the unmounted oval crystal opal cabochon, exhibits a light gray body color, both broad and block patterns of blue-green to orange-red play-of-colors, measuring approximately 11.19 x 9.4

AN UNMOUNTED OPAL cabochon cut, 7.33 carats.

Unmounted opal the unmounted irregular tear drop shaped opal flat cabochon, measures approximately 19.80 x 13.30 x 2.93 mm, weighs 4.56 cts., displays broad flashes of green with some blue and orange

Unmounted opalfeaturing one oval opal cabochon displaying flashes of blue, green and orange-red play of color, measuring approximately 24.64 x 14.18 x 4.57 mm and weighs 9.28 cts.

A parcel of unmounted diamonds of various shapes, colors and clarities totaling over 73cts.

A parcel of unmounted pink round full-cut diamonds of various degrees of color and clarities totaling over 3.95cts.

A group of unmounted tourmalinescomprising 183 emerald-cut and one marquise-cut dark green tourmalines; weighing in total approximately: 933.45 carats

Collection of (6) carved opal cameos including a Native American chief and several beauties. Most bags contain the original owner's notes - do not assume this is fact. This lot is being sold is - if y

A group of unmounted gemstonesincluding 15.90 carats of sapphires, 0.80 carat of rubies, 9.10 carats of cubic zirconia, a 3.03 carats aquamarine, a 2.90 carats pink tourmaline, an 8.10 carats green to

A GROUP OF UNMOUNTED GEMSTONES Comprising two demantoid garnets, weighing 1.63 and 1.01 carats, a topaz weighing 1.55 carats, and a garnet weighing 4.00 carats. For further information on this lot pl

14K yellow gold, including an opal bead necklace with beads measuring 10.6mm-10.7mm, with a gold leaf clasp set with five cabochon opals and fourteen single-cut diamonds; and pair of domed earrings se

LARGE GROUP OF UNMOUNTED GEMSTONES. For further information on this lot please visit Bonhams.com

(Lot of 2) Unmounted boulder opalsfeaturing one half round boulder opal displaying a thin layer of blue green play-of-color flashes and matrix, measuring approximately 30.00 x 13.80 x 6.00 mm and weig

A group of unmounted sapphirescomprising 55 round, oval and rectangular cut green sapphires, weighing from approximately 0.25 - 1.12 carats; weighing in total approximately: 45.30 carats

A group of unmounted berylscomprising 16 stones of assorted shapes and sizes, including morganite and heliodor beryl; weighing in total approximately: 151.00 carats

A group of unmounted peridotscomprising of 22 rectangle, square, oval, emerald cut, and rough cut peridots, weighing from 0.32 to 8.35 carats; weighing in total approximately: 57.45 carats

A group of unmounted stones and mineral specimensincluding emerald, tourmaline, agate, cultured pearl, lapis lazuli, synthetic sapphire, rock crystal and etc.Property from the Estate of Sally Kathleen

Seven fine and semi-fine jewelry items including a sterling silver ring with approximately 28mm x 19mm turquoise stone; a sterling silver cluster ring with seven oval opals; an 18K yellow gold electro

A group of unmounted iolitecomprising 50 emerald cut, oval, marquis, pear/teardrop, square and rectangle, weighing from approximately 0.72 - 6.15 carats; weighing in total approximately: 118.90 carats

A group of unmounted gemstonesincluding the oval-cut kunzite, measuring approximately 15.80 x 11.80 x 8.00 mm; the radiant-cut faceted ametrane, measuring approximately 18.25 x 13.15 x 9.00 mm.