October Birthstones: Tourmaline and Opal

Ring Daisy 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 (18 carat) white gold, set with a pink tourmaline and diamonds, an oval-cut pink tourmaline, weighing approximat...

Pendant in yellow gold, 750 thousandths, 18 carats. An astonishing vintage pendant, it is made up of a gold sphere adorned with a multitude of f...

Ring in platinum, dog head hallmark. Magnificent old ring with surround, its oval-shaped setting is flat and its openwork basket with arabesque mo...

Type of jewelry: Brooch Metal: 18 carat (750/1000) yellow gold Genre: Modern Weight: 10.5 g Stone: Opal Opal weight: 1 x 0.60 carat - 2 x 0.25 car...

A pair of earrings branded of the House Cartier, Caresse D’Orchides collection. The floral patterns of the orchid in platinum are set with 282 qual...

Details: ±3.94 ct Tourmaline, ±0.60 ct (H SI1) Old cut diamonds, Ring in platinum.Size: 18.75 NL / 58.9 FR / 8¾ US / R UK, possible resizing.Dimens...

Jewelry type: Pendant Metal: 18 carat yellow gold (750/1000) - 18 carat white gold (750/1000) Gender: Ancient Weight: 4g Stone: Opal - Pearl - Ros...

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

18k Yellow Gold Pendant 6.81 ct pink tourmaline Diamond 0.28ct G/VS1

18K White Gold Ring Center stone: Tourmaline 1.91 ct Diamond paving 0.70 ct

18k Yellow Gold Ring Diamonds 0.45ct F/G VVS1 Rubellite 2.49ct Excellent condition Peridot 2.49ct Topaz 1.66ct Citrine 1.66ct

Yellow gold and opal pendant 18 carats - 750 thousandths Gross weight 1 g Pendant length 6 mm Pendant width 16 mm Pendant thickness 5 mm Opal 8 x ...

Animal motif ring in yellow gold and pink Tourmaline 18 carats - 750 thousandths Gross weight 13.6 g Ring size 48mm Length of the top of the ring ...

A tie necklace branded of the House Cartier, “Caresse d’orchide” collection, in 750/000 white gold. This necklace is made up of a chain enhanced wi...

A ring branded of the House Cartier, 'Caresse d'orchide' collection in 750/000 white gold featuring an orchid with three petals paved with brillian...

A pair of earrings branded of the House Cartier, 'Caresse d'Orchidée' collection, in 750/000 white gold, each formed of an orchid with three petals...

Etruscan ring decorated with a fire opal in the shape of a sugar loaf, triangular shape with small diamonds and peridots at the ends. Material: 1...

Brooch in 750‰ yellow gold, set with sapphires, emeralds and opals. Dimensions: 3.50 cm x 2.50 cm Weight: 6.51 grams

Ring in yellow gold, 750 thousandths, 18 carats, eagle's head hallmark. Astonishing old ring, its massive setting represents an asymmetrical branc...

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

Ring in 14K (585 thousandths) yellow gold and white gold, adorned with a faceted oval fire opal in a massed setting highlighted by a surround of r...

Details: ±0.50 ct Opals, ±0.55 ct (HI SI1) Brilliant cut diamonds, Earrings in platinum.Dimensions: L 1 cm.Weight in grams: 3.5.Condition: Very goo...

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

Type of jewelry: Ring Metal: 18 carat (750/1000) yellow gold Genre: Modern Weight: 9.9 g Stone: Opal Stone size: 27 mm x 0 mm Size: 53 - Resize po...

A ring branded of the House Cartier in 750/000 yellow gold, set with 3 engraved pink tourmalines and brilliant-cut diamonds.   Width: 5.60mm Heigh...

A pair of earrings branded of the House Boucheron, "Ludivine" collection, in 750/000 gadrooned white gold and decorated with green tourmalines engr...

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

Ring in 14K (585 thousandths) yellow gold with a chiseled and openwork bezel centered with a large harlequin opal cut into an oval cabochon in a m...

Ring in 14K (585 thousandths) yellow gold, openwork and braided with a scroll motif, centered with a round Mexican opal cut into a cabochon, claw ...

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

Articulated 18K (750 Thousandths) yellow gold bracelet composed of nine medallions centered on colored fine stones including garnet, aquamarine, a...

916‰ yellow gold ring, set with an oval opal. Ring size : 54 Possible resizing. Weight: 4.45 grams

·         Metal : 750/1000 white gold ·         Metal weight :  11.09g ·         Stones : A pink tourmaline of 21.52 carats, Diamonds for 0.37 cara...

Type of jewelry: Ring Metal: 18 carat (750/1000) white gold Genre: Modern Weight: 4.7 g Stone: White opal Opal weight: 5.90 carats Size: 51 - Resi...

Jewelry type: Necklace Metal: 18 carat (750/1000) yellow gold Gender: Ancient Weight: 53.9 g Stone: Opals Length: 42cm Hallmark: Eagle head

Type of jewelry: Ring Metal: 18 carat (750/1000) pink gold Genre: Ancient - Napoleon III  Weight: 3.5g Stones: Emerald - Ruby - Tourmaline - Ameth...

18-carat gold ring decorated with a butterfly, it is adorned with an amethyst, a citrine, a peridot and a tourmaline cut into shuttles. Weight: 2.3...

18-carat gold ring decorated with a butterfly, it is adorned with an amethyst, a citrine, a peridot and a tourmaline cut into shuttles. Weight: 2.3...

Sumptuous 18K White Gold Ring * (750/1000) Eagle head hallmark (not very visible) and owl Elegant stylized floral pattern setting Holding 6 beautif...

Dangling earrings; 18kt yellow gold 750‰; Decorated with tourmalines; Modular curls; Height: 4.5cm; Weight: 16.78g; Period: vintage.

Beautiful house ring Pomellato in 18K yellow gold set with a tourmaline.  branded Pomellato Period: 1990s Size: 53 Weight: 28.1g

Sparkling candy ring in white gold set with a 5-carat oval-cut pink tourmaline in an entourage of pink tourmalines and pear-shaped tanzanites as we...

Period: approx. 1890 Material: 18 carat yellow gold and silver, see also: Technique silver on gold (tested on the touchstone) Diamonds: Twelve seed...