Three Yellow Gold Rings, A) Sapphire and diamond cluster ring in 14k marked gold, 5 3/4 ring size with a ring sizer addition, weighs 2.9 grams. B) 10k marked gold with approx. 6mm white pearl, contemporary design, 6 1/4 ring size, weighs 3.3 grams. C) Worn engraved signet ring in marked 10k, has ring sizer addition, size 4 1/4, weighs 5.4 grams.