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Christina's Blog

  • Hot!Couture by Christina Saint Marche

    Perth, Australia--For the first time in the 30-year history of Australia's Argyle Diamond Mine, the Argyle Pink Diamond Tender will include three diamonds graded as fancy red.Argyle Pink Diamonds Manager Josephine Johnson said only a total of six diamonds certified as fancy red by the Gemological Institute of America have been presented for sale at the annual tender since 1983, when mining began at Argyle. "To have three of these rare red diamonds in one tender is a very special moment in time," she said.There are a total of six "hero" stones in this year's collection, stones that are selected and named because they are particularly beautiful.There is the 1.56-carat round fancy red diamond dubbed the "Argyle Phoenix," a nod to the newly commissioned underground portion of the Argyle Diamond Mine, which opened earlier this month.In addition, the sale includes a diamond that is greater than 3 carats in size for the first time in eight years. The 3.02-carat radiant-cut, fancy intense orangey-pink diamond is called the "Argyle Imperial."Another unusual diamond is the 0.71-carat blue heart-shaped diamond, the "Argyle Celestial." Rio Tinto said it anticipates the Celestial will be sold with a matching heart-shaped fancy pink diamond.All told, the 2013 Pink Diamonds Tender is comprised of a total of 64 diamonds. There are 58 pinks, the three fancy reds and three blues. Rio Tinto craftsmen cut and polished all the diamonds in Western Australia.The diamonds are debuting at a world exclusive preview in Sydney. Tender viewings will take place in Perth and Hong Kong, with previews in Sydney, New York and Tokyo. Bids close on Oct. 8.
    These three fancy red diamonds are the highlights of the Argyle Pink Diamonds Tender, Rio Tinto's annual sale of natural pink, blue and red colored diamonds from its mine in Australia. The middle stone is a 1.56-carater named the "Argyle Phoenix."
  • Hot!Couture by Christina Saint Marche

    Vicenza, Italy--Roberto Coin exhibited his work in two separate booths at the Vicenzaoro Spring show: at his usual location in the high-end "B" hall of the show, and at another booth for The Fifth Season line.Gold was back at the designer's original luxury booth, where Coin's signature Animalier Collection, limited-edition lines and colored stone pieces--part of the Class & Colour Collection--were presented. From The Elephant Limited Edition Collection, this 18-karat rose, white and black gold bangle features black and white diamonds, black jade and enamel. "Gold is back on the scenes of Roberto Coin's theater with the same elegance and confidence that have always characterized it. Gold … will join the most unusual gems in a representation, which will be as magic as it is authentic," the brand said. From Roberto Coin's Pois et Moi Collection, these 18-karat rose gold bangles and rings are available with or without diamonds.These 18-karat satin rose gold rings and earrings, from the Class & Colour Collection, feature prasiolite and diamonds.From The Fifth Season by Roberto Coin comes silver pieces, some with gold, rhodium or ruthenium plating. "Original designs, innovative techniques, extreme volumes, mother-of-pearl, colors and most of all silver … are meshed together as unedited weaves, which look dynamic and modern," Roberto Coin said.The Fifth Season by Roberto Coin's 5.9 Collection offers bangles made in sterling silver with gold, rhodium and ruthenium plating.


    New in Roberto Coin's Animalier Collection, these chameleon rings are 18-karat white gold with diamonds, blue sapphires and tsavorites.
  • Hot!Couture by Christina Saint Marche

    Multiple auction records were set at Sotheby's Geneva on May 14 when a fancy yellow diamond sold for $2.9 million and a pair of pearl and diamond earrings garnered $2.3 million.The 74.53-carat cushion-shaped fancy yellow diamond, surrounded by diamonds and made in the late 19th century, doubled its pre-sale high estimate of $1.8 million when it sold for $2.9 million, or $39,265 per carat.The sale set new world auction records for a fancy yellow diamond and also for price per carat for a fancy yellow diamond.A world auction record also was set when a pair of natural pearl and diamond Bulgari earrings (below) sold for $2.3 million, soaring past the pre-sale high estimate of $1 million. The earrings belonged to actress, artist and philanthropist Gina Lollobrigida, who had 23 pieces of jewelry in the sale.OOverall, Sotheby's auction of Magnificent and Noble Jewels, including pieces from the collection of Lollobrigida, achieved $78.2 million, exceeding the auction's pre-sale total estimate of $73.1 million.Lollobrigida's pieces accounted for $4.9 million of the auction's total."Lollobrigida's magnificent jewels captured the public imagination around the world and the prices achieved … reflect not only the importance and rarity of these pieces but also the aura of fascination which this legendary actress continues to exert," said David Bennett, chairman of Sotheby's Switzerland and chairman of the jewelry department for Sotheby's Europe and Middle East.Other highlights of the auction included a 27.90-carat cushion-cut modified brilliant diamond ring of D color (below). The internally flawless stone sold for $4.3 million, or $156,362 per carat.JOverall, strong prices were seen for diamonds--especially colored diamonds--at the auction, with the top 10 lots of the sale, excluding the pearl and diamond earrings, all diamond jewelry, and all garnering more than $1 million each.
    This fancy yellow diamond of SI1 clarity set two world auction records when its pre-sale estimate was doubled at Sotheby's Geneva this month.
  • Hot!Couture by Christina Saint Marche

    A 101.73-carat pear-shaped diamond sold for $26.7 million at Christie's Geneva on Wednesday, setting a new world auction record for a colorless diamond.Jewelry and watch company Harry Winston, which recently was acquired by Swatch Group, purchased the D color, flawless diamond and, as is the tradition with large, important stones, gave it a name: the "Winston Legacy."DChristie's had estimated the price of the diamond "in the region of $20 million."Overall, Christie's May 15 sale of Magnificent Jewels totaled $102.1 million, the highest result ever for a various-owner jewelry auction at Christie's. Twenty lots sold for more than $1 million, with record prices also set for diamonds, pearls and sapphires.The auction was sold 86 percent by lot and 93 percent by value.A single-strand pearl necklace with pearls measuring between 13.7 to 10.4 millimeters sold to an anonymous buyer for $8.5 million, setting a world auction record for a single-strand natural pearl necklace.Diamantaire Laurence Graff placed the winning bid for a 26.24-carat oval-shaped, D color potentially flawless diamond ring, shelling out $4.5 million, or $170,200 per carat.World auction records also were set for a pair of pearl ear pendants ($2.4 million), per carat for a sapphire ($3.5 million for a 19.88-carat Kashmir sapphire) and for a red diamond ($3.3 million for a 1.92-carat fancy red, VS2 diamond ring)."World record prices were set … thereby firmly establishing the international appetite for the most beautiful gems and jewels," said Rahul Kadakia, head of jewelry at Christie's Switzerland and the Americas.
    The newly dubbed "Winston Legacy" is one of the largest pear-shaped diamonds to be discovered to date, and also is one of the most perfect, graded by the Gemological Institute of America as a D color, type IIA flawless stone.

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