All lots "Precious stones" Advanced search

Wed 12 Jun

An 18 ct gold ruby and diamond ring - An 18 ct gold ruby and diamond ring size 53 , 5 1/2 US total weight 2 g

Wed 12 Jun

An 18 ct yellow gold and diamond solitaire ring - An 18 ct yellow gold and diamond solitaire ring the central brilliant cut diamond weighing approx. 0.7 ct size 55 , 7 1/4 US total weight 7.7 g

Wed 12 Jun

An 18 ct white gold and diamond studded ring - An 18 ct white gold and diamond studded ring the old european cut diamonds weighing approx . 4 carats in total size 52 , 6 1/4 US total weight 7.8 g

Wed 12 Jun

An 18 ct yellow gold, turquoise and diamond ring - An 18 ct yellow gold, turquoise and diamond ring the brilliant cut diamonds weighing approx. 0.3 carat each size 53 , 6 1/2 US total weight 10.3 g

Wed 12 Jun

A Sealed brilliant cut diamond 0.47 ct, color G, SI2 - A Sealed brilliant cut diamond 0.47 ct, color G, SI2

Wed 12 Jun

A Sealed brilliant cut diamond 0.92 ct, color H, SI2 - A Sealed brilliant cut diamond 0.92 ct, color H, SI2

Wed 12 Jun

A Sealed brilliant cut diamond 0.57 ct, color G, SI1 - A Sealed brilliant cut diamond 0.57 ct, color G, SI1

Wed 12 Jun

An 18 ct white gold and diamond tank ring - An 18 ct white gold and diamond tank ring The central brilliant cut diamond weighing approx. 0.75 carat size 57, 7 3/4 US total weight 12.2 g 1940's 50's Art Deco Jewelry - Precious stone - Diamond -

Wed 12 Jun

An 18 ct white gold, diamond and pearl art deco ring - An 18 ct white gold, diamond and pearl Art deco ring size 56.5, 8 US Total weight 6.3 g 1930's Art Deco Jewelry - Precious stone - Diamond -

Wed 12 Jun

An 18 carat yellow and white gold diamond tank ring, art deco period - An 18 carat yellow and white gold diamond tank ring, Art Deco period Total weight of the brilliant cut diamonds approx. 0.9 c t size 54 , 6 3/4 US Total weight 13.6 g Jewelry - Precious stone - Diamond -

Wed 12 Jun

An 18 ct white gold and diamond solitaire ring - An 18 ct white gold and diamond solitaire ring The brilliant cut diamond weighing approx. 0.20 ct size 53 , 6 1/4 US total weight 2.9 g - Jewelry - Precious stone - Diamond -

Wed 12 Jun

An 18 ct yellow gold, sapphire and diamond ring - An 18 ct yellow gold, sapphire and diamond ring the sapphire measuring 5.8 x 6.2 mm, the brilliant cut diamonds weighing approx.0.3 ct each size 58 , 8 US total weight 6 g Jewelry - Precious stone - Diamond

Wed 12 Jun

An 18 ct yellow and white gold, diamond and ruby ring - An 18 ct yellow and white gold, diamond and ruby ring the central ruby measuring 4 x 5 mm size 54 , 7 US total weight 3.5 g Jewelry - Precious stone - Diamond -

Wed 12 Jun

An 18 ct white gold and diamond ring - An 18 ct white gold and diamond ring the central brilliant cut stone weighing 0.10 ct size 51 , 5 1:5 US total weight 2.3 g Jewelry - Precious stone - Diamond

Wed 12 Jun

An 18 ct white gold and diamond solitaire ring - An 18 ct white gold and diamond solitaire ring The brilliant cut diamond of good color and clarity weighing approx. 2 ct size 55 , 7 1/4 US total weight 5.3 g - Jewelry - Precious stone - Diamond -

Wed 12 Jun

a pair of antique 18ct gold, silver and rose cut diamond earrings - A pair of antique 18ct Gold, Silver and rose cut diamond earrings early 20th c Size of the pear shaped rose cut diamonds ; 8.7 x 7.4 mm Total weight 7.2 g Dimension : length 4.5 cm

Wed 12 Jun

A large 18 ct gold and rose cut diamond navette shaped ring - A large 18 ct gold and rose cut diamond navette shaped ring late 19th c Size 57 , 7 3/4 US Total weight 5.8 g Dimension : length of ring 3.3 cm

Wed 12 Jun

An antique 18 ct gold , platinum,rose cut diamond and onyx bracelet - An antique 18 ct Gold , Platinum, rose cut diamond and onyx bracelet early 20th c Total weight 9.2 g Dimension : length 18 cm

Wed 12 Jun

An antique 18ct gold, black onyx and seed pearl ring - An antique 18ct Gold, black onyx and seed pearl ring 19th c Size 49.5 , 5 US Total weight 2.3 g

Wed 12 Jun

A 14 ct gold, emerald and diamond ring - A 14 ct gold, emerald and diamond ring The emerald( probably colombian) 5.8 x 7.11 mm (approx. 1 ct) Total brilliant and marquise cut diamond weight approx 1.5 ct Size 50 , 5 1/4 US Total weight 5.3 g

Wed 12 Jun

A pair of 18 ct white gold and diamond studded earrings - A pair of 18 ct white gold and diamond studded earrings set with about 130 faceted diamonds Dimension : 3.5 cm long Total weight 14.7 g

Wed 12 Jun

A pair of 18 ct gold, silver and rose cut diamond screw back earrings, 19th c - A pair of 18 ct gold, silver and rose cut diamond screw back earrings, 19th c Dimension : 2.5 cm long 19th c Total weight 6.7 g

Wed 12 Jun

A yellow gold, platinum, diamond and pearl art deco brooch - A yellow gold, platinum, diamond and pearl art deco brooch The four larger brilliant cut diamonds weighing approx. 0.25 ct each 5 cm x 1.5 cm Total weight 9.3 g

Wed 12 Jun

An 18 ct white gold and diamond art deco ring - An 18 ct white gold and diamond art deco ring The central brilliant cut diamond weighing approx. 0.9 carat size 56 , 7 3/4 US total weight 2.4 g

Wed 12 Jun

An 18 ct Gold and diamond solitaire ring - An 18 ct Gold and Diamond solitaire ring The brilliant cut diamond weighing approx. 0.25 ct Size 59 , 9 US Total weight 5.7 g

Wed 12 Jun

An 18 ct white gold, diamond and ruby tank ring - An 18 ct white Gold, diamond and ruby tank ring the central brilliant cut diamond weighing approx.1 carat size 49.5 , 5 US total weight 8.3 g Art Deco period

Wed 12 Jun

An 18ct gold, platinum, ruby and diamond brooch - An 18ct Gold, platinum, ruby and diamond brooch 6 x 3 cm weight 17.2 g The central brilliant cut diamond weighing approx. 0.1ct 1950's

Sapphire, 14.34 carats. Heated. Provenance: Burma. With certificate.

Green tourmaline, 5.6 carats. 10x7mm

Sapphire, treated, oval, faceted, 20.4 carats.

Lot of various stones: green amethyst, yellow quartz, opals, rubies, emeralds ... Total weight: 345 carats.

Yellow quartz, 30.96 carats. AIG Milan certificate.

Natural sapphire, 0.65 carat, provenance: Madagascar. AIG certificate.

Garnet, 10.41 carats. Provenance: Mali. With certificate.

Purple sapphire, 0.50 carat. Untreated. AIG certificate.

Amethyst, 14.37 carats. GFCO certificate.

Emerald, 3.67 carats. With certificate.

Blue sapphire, treated, provenance: Madagascar, 6.55 carats. With certificate.

Lot of 5 opals, total weight: 11.35 carats.

Padparadscha sapphire, natural, 0.33 carat, provenance: Madagascar. Certificate GFCO/

Labradorite, 115.97 carats. AIG certificate.

Citrine, 6.72 carats. HGTL certificate.

Ruby, 6.9 carats. Treated (color). With GLI certificate.

Lot of black and white opals. Total weight: 9.4 carats.

Yellow sapphire, 5.91 carats. With certificate.

Emerald, treated, 8 carats. With certificate.

Lot of 12 amethysts, provenance: Brazil. Total weight: 8.85 carats. With certificate.

Orange sapphire, provenance: Siam, 0.29 carat. Heated. Certificate GFCO/

Emerald, provenance: Zambia, 0.58 carats. GFCO certificate.

Blue sapphire, provenance: Madagascar, 1.49 carats. Heated. GGI certificate.

Emerald, 0.79 carat, provenance: Zambia. Treated (oil) GGI certificate

Emerald, 11.85 carats. Treated (color). With GLI certificate.

Lot of peridots. Total weight: 6.75 carats.

Lot of 2 cabochon sapphires, treated, 8.10 carats.

Lot of 2 faceted, oval, treated sapphires. Total weight: 7 carats.

Lot of 3 turquoises. Total weight: 150 carats.

Lot of rough rubies, sapphires, amethysts, aquamarines, morganites and lapis lazul. Total weight: 661.9 carats.

Lot of rough peridots, 287 carats.

Lot of rough emeralds, 237 carats.

Lot of 5 ruby cabochons, total weight: 76 carats.

Lot of 5 faceted smoky quartz. Total weight: 19 carats.

Blue sapphire, treated, 4.7 carats. With GLI certificate.

Yellow quarter, 22.5 carats. With GLI certificate.

Lot of amethysts and citrines. Pierced. Total weight: 50 carats.

Lot of rough tourmalines. Total weight: 100 carats.

Lot of rubies, sapphires, emeralds, treated, drilled and faceted. Total weight: 29 carats.

Carved coral element, 3.65 carats. With certificate.

Fire opal, provenance: Ethiopia, 19.7 carats. With certificate.

Lot of cabochons: haqiq, amethysts ... Total weight: 38.55 carats

Rhodolite, drop, 6.53 carats. With AGL certificate.

Lot of pierced amethyst drops. Total weight: 30 carats.

Lot of amethysts. Total weight: 26 carats.

Lot of treated, drilled and faceted sapphires. Total weight: 20.9 carats.

Lot of emeralds, treated, drilled and faceted. Total weight: 20 carats.

Lot of rubies, sapphires, emeralds, treated, pierced. Total weight: 20.8 carats.

Amethyst, cabochon, provenance: Brazil, 9.15 carats. With certificate.

Citrine, 10.64 carats. With certificate.

Amethyst, provenance: Brazil, 1.64 carats. With certificate.

Blue sapphire, rough, 4.55 carats. With certificate.

Fri 14 Jun

Due coppie di bracciali da avambraccio India Meridionale, Tamil Nadu, XIX secolo - Folk bronze castings in the typical V-shape, decorated with abstract motifs, torchons and small repeated spheres.

Fri 14 Jun

Orecchini chandelier con pietre prezioseIndia, inizio XX secolo. H. 9,5 cm Peso: 40 grammi - Pair of antique earrings with silver and gold mount and set with rubies, tourmalines and diamonds. Fine Victorian goldsmithery piece, produced in India and probably intended for the English market.

Fri 14 Jun

Orecchini in oro con elementi geometrici (loriyan)India, Gujarat, inizio XX secolo H. 5 cm (compreso gancio)Peso: 17 grammi - Made of lacquer coated with gold to form a facetted cube surmounting a truncated cylinder from which it is separated by a decorative band with a small sphere motif.Earrings of this type are worn by the women of the Mehar community. For a comparative specimen see Anne van Cutsem, Ethnic Earrings. Africa, Asia, America from the Ghysels Collection, Skira 2001, pp. 114 and 324.

Fri 14 Jun

Bazu-band in oro e pietre preziose.India Settentrionale, probabilmente Jaipur, XX secolo Peso: 58 grammi - Gold rectangular arm ornament set with a central emerald surrounded by sapphires within drop-shaped bezels and finished with turquoises and rubies. The back is finely enamelled (meenakari) with a poppy and leaf motif. Recently mounted as a bracelet with small coloured beads.

Fri 14 Jun

Collana a sette fili di perle (satlari) con pietre preziose e smalti India, Mogul, XVII-XVIII secolo Peso: 159 grammi - Important necklace composed of strands of pearls with drop-shaped gold pendants set with stones and a central flower-shaped gold pendant worked in the kundan technique and set with rubies and emeralds. The back finely decorated with champlevé enamels. Terminals similarly decorated with floral motifs.In the early 19th century Cartier began to produce necklaces of this type for the Indian market. For a close related example see Keene M., Treasury of the World. Jewelled Arts of India in the Age of the Mughals, Thames and Hudson, 2001, cat. no. 6.23, p. 71.

Sat 15 Jun

lot of blue sapphires on paper 0.90 carats 12 pieces

Sat 15 Jun

Cabochon-cut sapphire on star paper approx. 4 carats

Sat 15 Jun

Dark blue round-cut sapphire on paper Approx. 2 carats (small chips)

Sat 15 Jun

Ruby on paper approx. 2.5 carats

1.65ct Diamond Ring With IGL Certificate No. J80142433BE - Material: 18 kt. Yellow Gold - Gross Weight: 3.01 grams - Measurements: 17x8x25mm - Ring Size: EU 55 / US 7.2 Main Stone: Diamond - Shape: Round Brilliant - Total Carat Weight: 1.65 cts. - No. of Stones: 1 - Color Grade: K - Clarity Grade: SI1 (enhanced) - Treatment: Clarity Enhanced

1.08ct Tanzanite and Diamond Earrings - Material: 18 kt. White Gold - Gross Weight: 3.60 grams - Measurements: 13x4x9mm Main Stone: Tanzanite - Shape: Pear Mixed Cut - Total Carat Weight: 1.00 cts. - No. of Stones: 2 - Color Grade: Violetish Blue - Clarity Grade: Transparent - Treatment: Commonly treated Side Stones: Diamond - Shape: Round Brilliant - Total Carat Weight: 0.08 cts. - No. of Stones: 14 - Color Grade: F-G - Clarity Grade: VS - Treatment: Natural (untreated)

1.53ct Tanzanite and Diamond Necklace with Pendant - Material: 18 kt. White Gold - Gross Weight: 3.76 grams - Measurements: 22x12x6mm Main Stone: Tanzanite - Shape: Oval Mixed Cut - Total Carat Weight: 1.00 cts. - No. of Stones: 1 - Color Grade: Violetish Blue - Clarity Grade: Transparent - Treatment: Commonly treated Side Stones: Diamond - Shape: Round Brilliant - Total Carat Weight: 0.53 cts. - No. of Stones: 41 - Color Grade: E-F - Clarity Grade: VS - Treatment: Natural (untreated)

5.62ct Tanzanite and Diamond Ring - Material: 18 kt. White Gold - Gross Weight: 4.63 grams - Measurements: 17x15x27mm - Ring Size: EU 53 / US 6.5 Main Stone: Tanzanite - Shape: Emerald Step Cut - Total Carat Weight: 5.10 cts. - No. of Stones: 1 - Color Grade: Violetish Blue - Clarity Grade: Transparent - Treatment: Commonly Treated Side Stones: Diamond - Shape: Round Brilliant - Total Carat Weight: 0.52 cts. - No. of Stones: 61 - Color Grade: F-G - Clarity Grade: VS-SI - Treatment: Natural (untreated)

0.32ct Diamond Necklace with Pendant - Material: 18 kt. Rose Gold - Gross Weight: 2.53 grams - Measurements: 9x9x2mm Main Stone: Diamond - Shape: Round Single Cut - Total Carat Weight: 0.06 cts. - No. of Stones: 1 - Color Grade: H - Clarity Grade: VS - Treatment: Natural (untreated) Side Stones: Diamond - Shape: Round Single Cut - Total Carat Weight: 0.26 cts. - No. of Stones: 27 - Color Grade: H-J - Clarity Grade: VS - Treatment: Natural (untreated)

0.33ct Sapphire Necklace with Pendant - Material: 18 kt. White Gold - Gross Weight: 2.30 grams - Measurements: Pendant: 4x4mm; Chain: 420mm Main Stone: Sapphire - Shape: Round - Total Carat Weight: 0.33 cts. - No. of Stones: 1 - Color Grade: Light Purple - Clarity Grade: Transparent - Treatment: Commonly Treated

3.41ct Rubellite Earrings - Material: 18 kt. White Gold - Gross Weight: 2.20 grams - Measurements: 9x7x14mm Main Stone: Rubellite - Shape: Oval Mixed Cut - Total Carat Weight: 3.41 cts. - No. of Stones: 2 - Color Grade: Purplish Pink - Clarity Grade: Transparent - Treatment: Commonly Treated

0.27ct Sapphire Necklace with Pendant - Material: 18 kt. White Gold - Gross Weight: 2.19 grams - Measurements: Pendant: 4x4x4mm Main Stone: Sapphire - Shape: Round - Total Carat Weight: 0.27 cts. - No. of Stones: 1 - Color Grade: Light Blue - Clarity Grade: Transparent - Treatment: Commonly treated

6.37ct Laboratory Grown Diamond Earrings With ALGT Certificate No. 04440335 - Material: 18 kt. White Gold - Gross Weight: 21.45 grams - Measurements: 54x4x42 mm Main Stone: Laboratory Grown Diamond - Shape: Round Brilliant Cut - Total Carat Weight: 6.37 cts. - No. of Stones: 384 - Color Grade: D-F - Clarity Grade: VS-SI - Treatment: None

0.59ct Diamond Ring With GRA Certificate No. 1820002619AN - Material: 18 kt. White Gold - Gross Weight: 3.17 grams - Measurements: 19x5x25mm - Ring Size: EU 54 / US 7 Main Stone: Diamond - Shape: Round Brilliant - Total Carat Weight: 0.59 cts. - No. of Stones: 1 - Color Grade: H - Clarity Grade: I1 - Treatment: Natural (untreated)

0.46ct Diamond Earrings - Material: 18 kt. White Gold - Gross Weight: 1.25 grams - Measurements: 4x4x15mm Main Stone: Diamond - Shape: Round Brilliant - Total Carat Weight: 0.46 cts. - No. of Stones: 2 - Color Grade: H-I - Clarity Grade: SI - Treatment: Natural (untreated)