Metal: 18K Yellow Gold. Total Jewelry weight: ~4.6 gram. Center Gemstones carat weight: ~0.9 ct. Center Gemstone type: Natural Ruby. Center Gemstone clarity: Transparent \ slightly included. Center Gemstone color: Pinkish Red. This product is made to order and can be customized. Delivery time ranges from 10 to 14 business days. For customization options or any other Information Pleasecontact us.