This is an 18K gold necklace with a single diamond (0.38 carats). The chain is not removable. The hallmarks are k18 and 0.38. The diamond is 0.38 carats and is surrounded by gold, giving it a substantial presence. The 18K gold chain sparkles. Chain length: approximately 40 cm Diameter of the diamond including the surrounding gold: approximately a little larger than 6 mm. The diamond itself is approximately 5 mm in diameter. Weight: The kitchen scale showed 2 grams or 3 grams, so it's likely somewhere in between, but the exact weight is unknown. The diamond itself is slightly whitish, so please refrain from purchasing if you are concerned about this. However, it still sparkles brightly. - Material: 18K gold - Design: A single diamond surrounded by 18K gold There is no box, so it will be wrapped in cushioning material. Returns are not accepted due to concerns about return fraud. #SingleDiamond #18KGold #Presence #Sparkling Thank you for viewing. Color: Gold Material: K18 (18K gold) Decoration: Diamond