Yellow Sapphire Diamond Ring,

Yellow Sapphire Diamond Ring,
set with an oval pale yellow sapphire of ca. 4.90 ct (5 ct), not treated, surrounded by 14 old-cut diamonds totalling ca. 0.90 – 1 ct, G/H VS/SI, in 18K /750 yellow and white gold, ring size: 52, 4.9 g.

Hallmarks: 18K

GGTL Laboratories Sapphire Report No. 25-B-8279

Stock number: 2093

Yellow Sapphires get their colour primarily from the presence of Iron (Fe) in the crystal structure of the mineral Corundum (which is an Aluminium oxide, Al₂O₃) When iron is present in certain concentrations, it produces a beautiful yellow colour.