Two platinum cocktail rings set with a central sapphire and surrounded by diamonds.One size 4.5 platinum cocktail ring, XRF tests as 82% Pt. Marked "PLAT". Central oval cut sapphire with 12 Old European round cut diamonds surrounding. Central sapphire is 7.3 mm long by 5.7 mm wide by 3.55 mm deep. Each diamond is approximately 0.1 ct, for a carat total weight of 1.2 CTW. Total weight: 4.1 grams / 2.6 dwt. Good condition overall, minor wear. One chip on top of sapphire.One size 5.25 platinum ring, 90% platinum (XRF tests 89% Pt). Marked "IRID.PLAT." and an unknown symbol. Central square cut sapphire with 8 round brilliant cut diamonds. Sapphire is about 4.4 mm wide and long, and 2.7 mm deep. Each diamond is about 0.05 ct. Carat total weight is about 0.4 CTW. Total weight: 3.9 grams / 2.5 dwt. Good condition, minor wear, some rough edges on sapphire.Keywords: jewelry, fancy, estate, precious, vintage, bridal, wedding, bride, marriage.