PT950 Platinum: Refers to the alloy of this jewelry that contains 95% pure platinum with a small amount of ruthenium added to make it stronger. Due to the high purity of platinum, your jewelry will retain its perfect silvery white appearance forever. Additionally, hypoallergenic platinum is suitable for people with nickel allergies or sensitive skin.
18K white gold/yellow gold/rose gold: refers to the alloy of this jewelry containing 75% pure gold, also called 18K gold (Au750). This purity ensures the jewelry is strong and durable. To achieve the modern look of white gold, silver and copper are also added to the alloy.