What does PT mean on jewelry?
Are lab grown diamonds real?
Is it bad to get a moissanite engagement ring?
Fluorescence in diamonds is the glow you might see when the diamond is under ultra-violet (UV) light (i.e. sunlight or black light). Approximately 30% of diamonds glow at least somewhat. The GIA grades fluorescence in diamonds as None, Faint, Medium, Strong and Very Strong….
Do real diamonds glow under UV light?
Usually real diamonds won’t be set in sterling silver because it’s too soft. And if you see a stamp that says “CZ,” you’re looking at a cubic zirconia stone, rather than a real diamond. The prongs should be tightly connected to the ring and should tightly wrap around the diamond, ensuring it will not pop loose….
Another type of mark sometimes seen is “18ct & Plat” or similar. This can be taken to mean that the item is made of 18 carat gold and platinum. There are also other possible variations such as “18ct & Pt”.
What does 18ct & PT mean?
What does 925 1 20 PT mean on a ring?
parts per thousand
