New York - Bonhams announces highlights of its upcoming sale of New York Jewels on May 1, featuring a dazzling array of coloured and colourless diamonds, important gemstones, and signed designer jewels with estimates ranging from $5,000 up to $2 million. Leading the sale is an important fancy coloured diamond (estimate: $1,500,000-2,000,000). Graded Fancy Orangy-Pink and weighing 12.62 carats, diamonds of this size and colour are exceptional and rarely come up for auction.

Lot 116. An Important 12.62 carats Fancy Orangy Pink diamond and diamond ring. Estimate US$ 1,500,000 - 2,000,000 (€ 1,300,000 - 1,800,000). © Bonhams 2001-2019

centering a cut-cornered rectangular-shaped step-cut Fancy Orangy Pink diamond, weighing 12.62 carats, flanked by pear-shaped diamonds; estimated remaining diamond weight: 1.50 carats; mounted in 18k rose gold; size 7

Diamonds and Gemstones
One of the top lots from the sale is an important sapphire ring (estimate: $1,275,000-1,775,000), a 15.23 carat cushion-shaped sapphire of Kashmir origin with no indications of heat enhancement. This is a rare and an exceptional example from the now depleted Kashmir mines.

Lot 112. An Important 15.23 carats Kashmir sapphire and colored diamond ring. Estimate US$ 1,275,000 - 1,775,000 (€ 1,100,000 - 1,600,000). © Bonhams 2001-2019

centering a cushion-shaped mixed-cut sapphire, weighing 15.23 carats, within an ornate pink round brilliant-cut diamond setting; estimated total diamond weight: 1.10 carats; mounted in platinum; size 7 (colored diamonds untested for origin of color)

Accompanied by AGL report # 1099417, dated March 14, 2019, stating the sapphire as: Kashmir origin, no indications of heat or clarity enhancement.  

Accompanied by Gubelin report # 17121022, dated January 12, 2018, stating the sapphire as: Kashmir origin, no indications of heating.

Accompanied by SSEF report # 92667, dated June 14, 2017, stating the sapphire as: Kashmir origin, no indications of heating.

Lot 106. An impressive 24.23 carats modified shield-shaped step-cut Fancy Deep Yellow-Brown diamond pendant. Estimate US$ 200,000 - 300,000 (€ 180,000 - 270,000). © Bonhams 2001-2019

centering a modified shield-shaped step-cut Fancy Deep Yellow-Brown diamond, weighing 24.23 carats; mounted in 18k gold; length: 1in.

Lot 115. A Fine 10.05 carats oval-shaped brilliant-cut diamond ring. Estimate US$ 200,000 - 250,000 (€ 180,000 - 220,000). © Bonhams 2001-2019

centering an oval-shaped brilliant-cut diamond, weighing 10.05 carats, flanked by bullet-shaped diamonds;estimated remaining diamond weight: 2.00 carats; mounted in platinum; size 5.

Lot 113. A Fine 3.29 carats rectangular-shaped emerald-cut emerald and 3.95 emerald-cut diamond ring. Estimate US$ 60,000 - 100,000 (€ 53,000 - 89,000). © Bonhams 2001-2019

of bombé design, centering an emerald-cut diamond, weighing 3.95 carats, and a rectangular-shaped emerald-cut emerald, weighing 3.29 carats, enhanced by pear-shaped diamonds; estimated remaining diamond weight: 8.55 carats; mounted in platinum; size 4 1/4

Accompanied by AGL report # 1099159, dated March 13, 2019, stating the emerald as: Colombian origin, indications of minor, traditional, enhancement

Accompanied by GIA report # 2201091580, dated February 22, 2019, stating the diamond as: I color, VS1 clarity.

Signed Jewels
Highlights of the signed jewels section of the sale include creations by world-renowned design houses such as Cartier, Harry Winston, Tiffany & Co., and Van Cleef & Arpels. The sale also includes a pair of ruby and diamond pendant earrings by Michele Della Valle (estimate: $28,000-38,000) and two brooches from the French jewellery firm René Boivin - a lapis and diamond "Dauphin" brooch, 1948 (estimate: $12,000-18,000) and a diamond and ruby brooch, circa 1950 (estimate: $12,000-18,000). The firm broke tradition by hiring a handful of talented female jewellery designers including Suzanne Belperron and Juliette Moutard. The ruby and diamond flower brooch was designed by Juliette Moutard who worked her entire career for Maison Boivin and was an important contributor to its success.

Lot 45. A 5.02 carats Colombian emerald and diamond ring, Cartier. Estimate US$ 150,000 - 200,000 (€ 130,000 - 180,000). © Bonhams 2001-2019

Accompanied by AGL report # 1094964, dated August 29, 2018, stating the emerald as: Classic Colombian origin, indications of insignificant, traditional, enhancement.

Accompanied by AGL book for report # 1094964.

Lot 69. A sapphire and diamond bracelet, Harry Winston. Estimate US$ 120,000 - 150,000 (€ 110,000 - 130,000). © Bonhams 2001-2019

of foliate design, centrally set with oval-shaped mixed-cut sapphires, framed by marquise-shaped and round brilliant-cut diamonds; signed Winston, no.S3036, with French assay marks; estimated total diamond weight: 33.05 carats; mounted in 18k gold; length: 7 1/4in.

Lot 87. A pair of ruby and diamond pendant earrings, Michele Della Valle. Estimate US$ 28,000 - 38,000 (€ 25,000 - 34,000). © Bonhams 2001-2019

the surmounts centrally set with a cluster of fancy-shaped rubies, framed by pear-shaped and round brilliant-cut diamonds, suspending a drop-shaped pendant of similarly design; signed Michele Della Valle, no.11894; estimated total diamond weight: 4.25 carats; mounted in 18k rose gold; length: 3 1/4in.