10K Yellow Gold Pear Aquamarine & Diamond Ring Size 6. Beautiful ring featuring a lovely pear cut aquamarine, approximately 0.3 carats, and a single accent diamond, approximately 0.01 carats. They are set in 10K yellow gold, which is great for everyday wear. It is a size 6 and weighs 1.62 grams. In great condition. Almost no signs of wear.