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細節
A RUBY AND DIAMOND RING, BY OSCAR HEYMAN & BROTHERS
Set with a cushion-cut ruby, weighing approximately 7.13 carats, within a circular-cut diamond surround, mounted in platinum
With maker's mark for Oscar Heyman & Brothers, no. 36861
With report CS 54833 dated 9 May 2013 from the American Gemological Laboratories stating that it is the opinion of the Laboratory that the origin of the ruby would be classified as Thailand. Standard Enhancement: Heat. Additional Enhancement: Minor Clarity
Set with a cushion-cut ruby, weighing approximately 7.13 carats, within a circular-cut diamond surround, mounted in platinum
With maker's mark for Oscar Heyman & Brothers, no. 36861
With report CS 54833 dated 9 May 2013 from the American Gemological Laboratories stating that it is the opinion of the Laboratory that the origin of the ruby would be classified as Thailand. Standard Enhancement: Heat. Additional Enhancement: Minor Clarity