SAPPHIRE DIAMOND RING

Description:

Sven Karstens, Stuttgart around 1990/2000
RM 57
750/000 yellow gold. Two blue heart-cut sapphires totaling approx. 3.90 ct (2.34 | 1.58 ct).
Approx. 90 brilliant-cut diamonds totaling approx. 3.00 ct F-G/VVS-VS. Hallmarked “SK”. Sapphires rubbed and one brilliant-cut diamond defective. Weight 15.2 g.
The Monika and Horst Bülow Collection, Leonberg