Yes. Every stone here can be bought loose. If you would rather have it set, you can add a setting afterwards.

Every one, by GIA or IGI. The report comes with the stone and the number on it can be looked up with the laboratory directly.

Where they formed. Both are graded on the same four characteristics by the same laboratories, and the report states when a stone was grown in a laboratory.

Cut decides how much it sparkles, and it matters more than the rest. Color and clarity decide how clean it looks. Carat is weight, not size.

Free insured delivery with a signature required, and 30 days to return it with a prepaid label.