18k yellow gold. TCW of diamonds: 0.786 carat diamonds. VS clarity and G color. One of a kind design. Top quality diamonds. Nice collectible diamond ring. Excellent jewelry to gift at engagements, weddings, anniversaries, bridal, thanksgiving, Christmas, new years, valentines day, mothers day, Easter, Birthdays, Bar Mitzvahs, Bat Mitzvahs, Sweet Sixteen parties, celebrating a job, promotion, move, or a thank you. Truly a value enhancing piece, that will grow value in coming years.