This is a size 7 rough diamond gold engagement ring.The rough diamonds in this piece weigh about 3.5-4carats!!! There are about 35-40 stones in the ring. The diamonds are from the Democratic Republic of Congo. These diamonds are 100% natural and have not been worked on in any way. All our diamonds comply with international UN Kimberley regulations. Please come see our other great deals atwww.stores.eCRATER.com/roughdiamondworld or by clicking on our store link.