An 18k white gold and sapphire ring.
Set with a pink sapphire of ca. 1.10 (ca. 6.27 x 5.24 x 4.28 mm) and two brilliants (in total ca. 0.44 ct, I/JVVS). Stamped fineness 750, maker's mark "P G" with a star, no. 7903. Ring size 53.5. Weight 3.9 g.