Sotheby's, Geneva, November 2005

Lot 132 Whimsical Spinel and Diamond Brooch

Designed as a turtle, the shell set with a facetted red spinel weighing 39.66 carats, the eyes with similar stones, the head and feet pavé-set with brilliant-cut diamonds, mounted in 18 carat white gold.

Accompanied by GRS report no. GRS2005-050175T stating natural spinel, deep red colour.