Diamond and White Gold Opal Birthstone Oval Ring 
A oval opal birthstone, in a modern and simple setting, is the centerpiece of this ring. The created oval-cut opal gemstone measures 7 X 5MM (weighing approximately .85 carats) and is accented by 4 white round natural diamonds. The ring is crafted of cool, gleaming 10K solid white gold. Opal is the birthstone for October. This opal oval cut bithstone ring in white gold qualifies for free custom ring sizing. Size 7 is standard. When you order a custom size, please allow an additional 7-10 business days processing time.