On June 22 Bonhams will hold its Fine Jewelry sale in New York that will be led by an important diamond rivière necklace estimated at $1,400,000-1,800,000. The stunning diamond rivière necklace features Triple X-cut diamonds that are of the highest cut, polish and symmetry grade. The graduated line of fifty-two round brilliant-cut diamonds weigh over 70 carats that are joined together by a heart-shaped clasp. Bonhams experts cite 2015 as the year of the colored gemstone. Exemplifying this trend is the June 22 sale that is studded with colored diamonds and gemstones. A luscious pink diamond and diamond ring is a star lot, which is estimated at $600,000-800,000. The cut-cornered, rectangular-cut fancy intense pink diamond weighing 3.56 carats is set within a pear-shaped diamond surround. It is further enhanced by a pavé-set diamond surround and mounted in 18k white and

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