Gemstone: 4.3 ct Opal (Ethiopia) 14.7 x 10.3 x 4.7 mm, Untreated Accent gemstone: 0.5 ct Blue Topaz (Brazil) 5.0 x 5.0 x 5.0 mm, Standard treatment Metal: 2.21 g of Sterling Silver (Pendant + Chain) Total weight: 3.17 g Our Commitments Quality Assurance: The authenticity and quality of our jewelry are guaranteed and every purchase is accompanied by a corresponding warranty card. Should any concern arise, it will be addressed promptly and transparently. Gemstones: Our gemstones are sourced from trusted suppliers, and, when appropriate, examined in our in-house laboratory. Packaging: Our jewelry is presented in high quality packaging — ideal to elevate every gifting or self-indulging experience. Shipping: Parcels are promptly sent via registered air mail with tracking. Higher-value items include insurance coverage.