A oval tanzanite gemstone, in a simple and modern setting, is the centerpiece of this ring. The created oval shaped tanzanite gemstone measures 7 X 5MM (weighing approximately .85 carats) and is accented by 4 white round natural diamonds. The ring is crafted of 10K solid yellow gold. Tanzanite is the birthstone for December. This oval tanzanite yellow gold ring 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. Available in size 5 through 10 (whole and half sizes). Please email us to request an Google Checkout invoice for this item.