Estate American pear sapphire diamond ring, circa 2005. This 18 karat yellow gold ring features a near flawless 1.65 carat pear sapphire in a raised setting. The pear sapphire is surrounded by 13 baguette, three marquise, and nine single cut diamonds. The diamonds have a total weight of 2.10 carats, VS1-SI1 clarity and G-H color. This estate sapphire ring is a size 6.