Several large baubles are set to shine at Bonhams' Fine Jewelry sale in London on April 30, with among the star lots a white marquise-cut diamond ring by Piaget. Weighing 8.97 carats, the D-color stone of excellent clarity is being offered at an estimate of US$410,000-$580,000.
Among the colored gems in the sale is a Colombian emerald ring of exceptional color, weighing 10.49 carats, which is estimated to sell for US$250,000-$410,000, while a ring, set with a cushion-shaped Burmese sapphire weighing 22.18 carats, mounted between two demi-lune-shaped diamonds, is offered with estimates of US$290,000–$330,000.
Big stones aside, a rare “Orange Tree” brooch made by Cartier of rock crystal and gems nbsp;in 1914 should bedazzle some collectors. The 100-year-old piece is a stunning instance of early 20th century quality and exquisite craftsmanship by the Parisian house, and is estimated at US$ 25,000-$33,000.
See our slideshow for highlights, or check out the full list of lots at the auction.
