.045CT Diamond Blue Topaz Pendant in 10k Yellow Gold Delightful & Touchable Diamond & Colorstone Jewelry for All Occasions - Engagement Bridal Wedding Anniversary and Birthday Gifts Precious Collection of Sparkling Diamond and Colorstone Jewelry Womens Mens Unisex Diamond Jewelry Anniversary & Wedding Birthdays & Gifts Colorstone Jewelry Black and Blue Diamonds are color-treated PV5140A-Y077BT