21 juillet 2014
Foxglove brooch, Rene Boivin, 1944, gold, pink tourmaline, amethyst, olivine.
13 juillet 2014
Suite of Amethyst Necklace, Bracelet and Earrings by Ruser from the collection of Joan Crawford.
30 juin 2014
'Raja' Ring. Fulco di VERDURA. Green tourmaline, amethyst, diamond, platinum and gold. Sapphire necklace - Fulco di VERDURA. Cabochon Ceylon sapphire, diamond, platinum and gold. 'Lily' Bracelet - Fulco di VERDURA. Diamond, platinum and gold. 'Stardust' Cluster Earclips - Fulco di VERDURA. Moonstone, diamond and platinum. 'Comet' Earclips - Fulco di VERDURA. Diamond and platinum. 'Double Clip' Bracelet - Fulco di VERDURA. Moonstone, diamond and platinum, convertible to a pair of clips. 'Raffia' Knot Bracelet... [Lire la suite]
18 juin 2014
Exceptional Oval Cushion Cut Diamond 8.70ct Engagement Ring © Steven Fox Jewelry. 7.72 ct Ascher Cut Diamond 1930's ring by Tiffany © Steven Fox Jewelry. 14.36 ct Asscher cut diamond ring, Van Cleef & Arpels, circa 1939 © Steven Fox Jewelry. Rare Handmade Yellow Sapphire Diamond Platinum Ring © Steven Fox Jewelry. Important Art Deco Colombian Cushion Cut Natural Emerald Ring © Steven Fox Jewelry. Art Deco Hexagon Amethyst Ring © Steven Fox Jewelry Aquamarine, Diamond and Platinum Ring © Steven Fox Jewelry ... [Lire la suite]
11 mai 2014
Manganite, Ilfeld, Nordhausen, Harz, Thuringia, Germany. Overall Measurements: 6.49 x 3.34 x 2.65 inches (16.5 x 8.5 x 6.74 cm). Sold for $149,000. Photo Heritage Auctions DALLAS, TX.- A cluster of midnight-black Manganite crystals, from Germany's Harz Mountains, sold for $149,000 to lead Heritage Auctions' $1.3 million Nature & Science Signature Auction. More than 200 lots changed hands as multiple bidders pushed prices for exemplary varieties past high estimates at the May 4 auction in Dallas. "This category... [Lire la suite]
22 avril 2014
The "100 Carats Club". Exceptional Amethyst--"A Member of the 100 Carats Club", Namibia. Photo Bonhams. This oval-cut amethyst displays a rich, violet grape hue which is exceptionally well-saturated, yet at the same time is not so dark that its beauty does not shine through. The luster and clarity are excellent. Weighing approximately 124.28 carats and measuring 38.5 x 27.0 x 23.0mm. Estimate US$ 3,000 - 4,000 (€2,200 - 2,900) Bonhams. GEMS, MINERALS, LAPIDARY WORKS OF ART AND NATURAL HISTORY. Los Angeles, 20 May 2014 10:00 PDT -... [Lire la suite]
20 avril 2014
Asprey. A Suite of Multi-Gem Jewelry. Photo Phillips. Comprising a necklace, designed as a line of oval and circular-cut amethyst, blue-topaz, peridot, citrine and tourmaline; and a pair of earclips and ring en suite, mounted in 18K white gold, necklace length 15 3/4 inches, earclips length 1 inch, ring size 7. Signed 'Asprey' 'Italy'. Estimate $13,000 - 18,000 Phillips. JEWELS NEW YORK 30 APRIL 2014 10AM - http://phillips.com/
18 avril 2014
Amethyst. Elestial Ametrine - Bolivia; Kyanite and Quartz - Brazil. Orange Quartz (iron oxide inclusions) - Orange River, South Africa. Elbaite Tourmaline - Paprok, Afghanistan.
14 avril 2014
Pair of platinum, 18 karat white gold, amethyst, pink sapphire and diamond earrings. Photo Sotheby's Anchored by two pear-shaped cabochon amethyst drops weighing 67.45 carats, topped by two lozenge-shaped diamonds weighing .76 carat, suspended from two cushion-cut pink sapphires weighing 3.14 carats, accented by round diamonds weighing 1.80 carats. Estimation 7,500 — 10,000 USD Sotheby's. Magnificent Jewels, New York | 29 avr. 2014 - www.sothebys.com
29 décembre 2013
Proustite, Imiter Mine, Imiter, Djebel Saghro, Ouarzazate, Souss-Massa-Draâ, Morocco Malachite Slab Amethyst Bismuth