Lot of two rings including : - A yellow gold (375) marquise ring centered on a synthetic sapphire in a surround of round faceted white stones in claw and close settings. Gross weight: 3.3 g. - Finger size: 56. Wear and soiling. - A silver (800) tank ring centered on a scroll set with small round faceted red stones in rail and grain settings. Gross weight: 17.8 g. - Finger size: 54.5. Traces of oxidation.