The heart of this 18 karat yellow gold Tobacco Flower ring is GRS certified vivid royal blue oval sapphire from Sri Lanka, a very precious gem, which only can be set in such delicate design. The dimension of the royal blue sapphire: 10.80 x 8.43 x 7.25 mm, no heat, 5.23 carats. There is no need to describe how incredible such mystic colour gem look in the all lights, day-time and indoor, and the size of it only makes it more vivid and strong. It is a ring with a gem for a family inheritance thro Royal Diamond, Rose Gold Pendant Necklace, Blue Sapphire Diamond, Rose Gold Pendant, Yellow Gold Engagement, Flower Pendant Necklace, Yellow Gold Engagement Rings, Rose Gold Engagement, Green Sapphire