11 avril 2017
An art deco diamond, sapphire, spinel and black onyx dress clip, circa 1925
Lot 17. An art deco diamond, sapphire, spinel and black onyx dress clip, circa 1925. Estimate US$ 5,000 - 7,000 ( €4,700 - 6,600). Photo: Bonhams. of openwork geometric design, set with old mine and old European-cut diamonds, enhanced by a round mixed-cut...