Metal: 925 silver Hallmark: S925 Main stones: 4 natural rubies totalling approximately 2 carats. This item is crafted from 925 sterling silver and set with four natural rubies; rubies of this type are typically heat-treated or filled. This item also includes the exquisite leather jewellery box pictured. Shipping: We deliver via UPS, Royal Mail, DPD, and other logistics providers. Delivery times depend on your local postal system, but most orders within Europe arrive within 5 to 7 business days.