October Birthstones: Tourmaline and Opal

Daisy ring in 18K (750 thousandths) white gold, centered with an oval-cut pink tourmaline surrounded by 12 diamonds of approximately 0.15ct each. ...

Pompadour ring, in 750 thousandths white gold (18 carats), set with a pink tourmaline and diamonds, an oval-cut pink tourmaline, with a weight...

Yellow gold pendant, 750 thousandths, 18 carats. Astonishing vintage pendant, it is formed of a gold sphere decorated with a multitude of pi...

Platinum ring, dog head hallmark. Magnificent antique entourage ring, its oval-shaped setting is flat and its basket adjoined...

Jewelry type: Brooch Metal: 18 carat yellow gold (750/1000) Type: Modern Weight: 10.5 g Stone: Opal Weight op...

A pair of earrings signed by Maison Cartier, Caresse D'Orchidées collection. The floral motifs of the orchid in platinum are served...

Details: ±3,94 ct Tourmaline, ±0,60 ct (H SI1) Old Cut Diamonds, Platinum Ring. Size: 18,75 NL / 58,9 FR / 8¾ US / R UK, mi...

Jewelry type: Pendant Metal: 18 carat yellow gold (750/1000) - 18 carat white gold (750/1000) Type: Antique Weight: 4 g ...

18k Red Gold Ribbon Ring A 4.29ct pink tourmaline 2 paved knots 0.19ct Diamonds Finger size 53

18 carat yellow gold and opal pendant - 750 thousandths Gross weight 1 g Pendant length 6 mm Pendant width...

Animal motif ring in 18 carat yellow gold and pink tourmaline - 750 thousandths Gross weight 13.6 g Finger size 48 mm L...

A tie necklace signed by Maison Cartier, "Caresse d'orchidee" collection, in 750/000 white gold. This necklace consists of a chain enhanced with...

A ring signed by Maison Cartier, 'Caresse d'orchide' collection in 750/000 white gold featuring an orchid with three petals paved with diamonds...

A pair of earrings signed by Maison Cartier, 'Caresse d'Orchidée' collection, in 750/000 white gold, each formed of an orchid...

Etruscan ring decorated with a fire opal in the shape of a sugar loaf, triangular shape with small diamonds and peridots at the ends. My...

Brooch in 750‰ yellow gold, set with sapphires, emeralds and opals. Dimensions: 3,50 cm x 2,50 cm Weight: 6,51 grs

Yellow gold ring, 750 thousandths, 18 carats, eagle head hallmark. Astonishing antique ring, its massive setting represents a branch ...

Bulgari ring in 18K (750 thousandths) white gold, composed of 3 independent rings decorated with a citrine and a cabochon-cut peridot, a...

Superb second-hand VICTOROFF necklace in 750 thousandths (18 carat) two-tone gold, decorated with diamonds with a total weight of approximately 0.24 carat, and...

A ring signed by Maison Cartier in 750/000 yellow gold, set with 3 engraved pink tourmalines and brilliant-cut diamonds. Width: 5,60 m...

A pair of earrings signed by Maison Boucheron, "Ludivine" collection, in 750/000 white gold with gadroon and adorned with green tourmalines...

Ring in 750°/°°- 18 KT white gold set with 17 brilliant-cut diamonds, a pear-cut amethyst and a pear-cut pink tourmaline. For...

14K (585 thousandths) yellow gold ring with chiseled and openwork bezel centered on a large harlequin opal cut into an oval-shaped cabochon...

14K (585 thousandths) yellow gold ring with openwork and braided scroll pattern, centered with a round Mexican opal cut into a cabochon, set ...

POMELLATO ring Lovely model from the M'ama non M'ama collection in 18K rose gold enhanced with a cabochon pink tourmaline (6.5mm in diameter...

18K (750 thousandths) yellow gold articulated bracelet composed of nine centered medallions with colored fine stones including garnet, aquamarine...

Ring in 916‰ yellow gold, set with an oval opal (probably from Australia). Finger size: 54. Resizing possible. ...

· Metal: 750/1000 white gold · Metal weight: 11.09 g ...

Jewelry type: Ring Metal: 18 carat white gold (750/1000) Type: Modern Weight: 4.7 g Stone: White opal Po...

18 carat gold ring with butterfly decoration, it is adorned with an amethyst, a citrine, a peridot and a tourmaline cut into navettes.

18 carat gold ring with butterfly decoration, it is adorned with an amethyst, a citrine, a peridot and a tourmaline cut into navettes.

Dangling earrings; 18kt yellow gold 750‰; Adorned with tourmalines; Adjustable earrings; Height: 4,5cm; ...

Period: circa 1890 Material: 18 carat yellow gold and silver, see also: The silver on gold technique (tested with a touchstone) Diamonds...

Jewel details: White gold Diamonds Tourmalines Certified and authenticated White gold necklace, set with diamonds and tourmaline...

Jewel details: Yellow gold Diamonds Australian blue opal Certified and authenticated 18 carat yellow gold pendant, set with...

Yellow gold ring, 750 thousandths, 18 carats. Oval and slender, this vintage yellow gold ring is decorated in the center with a tourmaline...

Vintage lapis lazuli opal ring 925/1000 silver Vintage lapis lazuli opal ring 925/1000 silver. A splendid quality ring, combining ...

Vintage ring jade purple opal silver 925/1000 Vintage ring jade purple opal silver 925/1000. A splendid quality ring, combining a...

Ring in 18K (750 thousandths) white gold, decorated with a faceted rectangular blue tourmaline surrounded by smaller green and pink tourmalines...

"Necklace Set with an Opal and Diamonds." Necklace set with an oval-cut cabochon opal and 4 old-cut diamonds. The chain is...

Ring set with a watermelon tourmaline and diamonds, in 750 thousandths white gold (18 carats), rectangular-cut tourmaline, approximately 0,95 ...