14K white gold (tested). Center diamond: 1.20 carat. I2 clarity and G color, round brilliant cut diamond set in prongs. Side diamonds: 0.30 carats, VS clarity and G color, round brilliant cut diamonds set in prongs. All diamonds are 100% natural and earth mined. Marks: 585, Paul D (jeweler's mark), and 14k. Gorgeous ladies diamond and gold ring. Perfect women's ring for weddings, engagement and special occasions. Excellent jewelry to gift at engagements, weddings, anniversaries, bridal, thanksgiving, Christmas, new years, valentines day, mothers day and other special occasions.