Yellow sapphire

Chrysoberyl brooch , probably Portuguese, second ahalf of the 18th  century. photo Sotheby's Designed as a floral and foliate spray tied with a ribbon, set with foil backed cushion-, pear-shaped, oval and mixed-cut chrysoberyl, later brooch fitting, accompanied by original shaped tooled leather case. Est. 5,500—6,500 GBP. Lot Sold 20,000 GBP Tourmaline, enamel and diamond brooch, J.E.Caldwell & CO., 1920s. photo Sotheby's Of annular open work design, centring on a stylised violet the petals of cabochon... [Lire la suite]

A Multi-Colored Sapphire and Diamond Brooch. photo Philips de Pury & Co Designed as a topiary, the top decorated with a bouquet of multi-colored vari-cut sapphires, accented by circular-cut diamonds, to the rectangular-cut peach sapphire stem and squarecut yellow sapphire, weighing approximately 7.60 carats, the pot accented by circular-cut diamond trim, mounted in platinum, length 2 1/2 inches.  ESTIMATE $7,000-9,000 - SOLD AT $10,000 Philips de Pury & Co. Jewels. 8 december 2010. www.phillipsdepury.com ... [Lire la suite]

Sapphire and diamond 'convolvolo' brooch, Michele della Valle. photo courtesy Sotheby's Designed as a flowering branch of convolvulus, set with circular-cut sapphires and brilliant-cut diamonds, mounted in white gold and titanium, signed Michele della Valle and numbered, Italian assay and maker's marks. Est. 25,000—35,000 CHF. Lot Sold 31,250 CHF Purple sapphire and diamond brooch, 'Cyclamen', Michele della Valle. photo courtesy Sotheby's Designed as a bouquet of cyclamen, set with circular-cut purple sapphires and... [Lire la suite]

A ruby and diamond ring, Andrew Grima © 2002-2010 Bonhams 1793 the oval-shaped ruby within a surround of square-cut diamonds further accented with square and baguette-cut diamonds down the sides, completed by a broad bark-textured mount; signed Grima; ruby weighing approximately: 8.50 carats; estimated total diamond weight: 6.00 carats; mounted in eighteen karat bicolor gold; size 7 3/4 - Sold for $20,740 A yellow sapphire and diamond ring, Andrew Grima, circa 1984 © 2002-2010 Bonhams 1793 centering an oval-shaped... [Lire la suite]

A yellow sapphire, diamond and cultured pearl pendant/necklace, by Cartier. photo courtesy Bonhams The pendant set with a large cushion-shaped yellow sapphire beneath an articulated buckle-shaped surmount pavé-set with brilliant-cut diamonds, suspended from a slightly graduated single-strand cultured pearl necklace, the 8.0-8.9mm., cultured pearls of aubergine tint, highlighted at intervals with pavé-set brilliant-cut diamond roundels and spheres, diamonds approximately 7.50 carats total, yellow sapphire untested, signed... [Lire la suite]

A sapphire and diamond ring. Photo: Christie's Images Ltd 2010 Set with a cut-cornered rectangular-cut sapphire, weighing approximately 61.27 carats, to the circular-cut diamond shoulders, mounted in platinum - Estimate $70,000 - $100,000 Price Realized $110,500 With report 2115900080 dated 6 April 2010 from the Gemological Institute of America stating that it is an expert opinion, based on a collection of observations and analytical data, that the geographic origin of this sapphire is Sri Lanka. No indications of heating ... [Lire la suite]

A diamond necklace, by Tiffany & Co. Photo: Christie's Images Ltd 2010 Designed as an openwork circular-cut diamond scrolled band, enhanced by baguette-cut diamond detail, mounted in platinum, 15 ins., with French assay mark and maker's mark Signed Tiffany & Co., France, no. 14772928. Estimate $50,000 - $70,000 Price Realized $176,500 A diamond bracelet, by Tiffany & Co. Photo: Christie's Images Ltd 2010 Designed as an openwork circular-cut diamond scrolled band, enhanced by baguette-cut diamond detail,... [Lire la suite]

Sapphire and Diamond Pendant. photo Sotheby's The pear-shaped sapphire weighing 18.70 carats, framed by pear-shaped and marquise-shaped diamonds weighing approximately 4.00 carats, mounted in platinum. Est. 100,000—150,000 USD. Lot Sold 152,500 USD NOTE: Accompanied by AGL report no. CS 41770 stating that the sapphire is of Burmese origin, no gemological evidence of heat. Sapphire and Diamond Ring. photo Sotheby's The cushion antique mixed-cut sapphire weighing 19.18 carats, framed by round and pear-shaped... [Lire la suite]

A multi-colored sapphire swag necklace estimated total sapphire weight: 35.25 carats; estimated total diamond weight: 2.05 carats; mounted in eighteen karat white gold; length: 21 1/2in. Estimate: $4,500 - 5,500 A yellow sapphire and diamond buckle motif bracelet estimated total sapphire weight: 37.65 carats; estimated total diamond weight: 3.00 carats; mounted in fourteen karat white gold; length: 7 1/4in. Estimate: $3,500 - 5,500 A multi-colored sapphire long chain necklace ... [Lire la suite]

A gem-set ring The oval-cut pink tourmaline, within a mount applied with butterfly and floral motifs, set throughout with circular-cut pink and yellow sapphires and brilliant-cut diamonds, mounted in 18k rose gold, pink tourmaline approximately 24.00 carats, ring size 7. Sold for HK$38,400 Bonhams. Fine Jewellery and Jadeite and Modern Wristwatches, 21 May 2009. Island Shangri-La Hong Kong Hotel, Admiralty, Hong Kong www.bonhams.com