Birthstone Engagement Ring is crafted of 18k gold, set with a central oval gemstone and 3 other gemstones of your choice, accented by white diamonds in an elegant wave design of brightly polished gold. Each gem is hand-selected for exceptional sparkle and brilliance.  Custom made to order, available in 18K White Gold/Yellow Gold/Pink Gold, with citrine, sapphire, amethyst gemstones, and diamonds.