No certificate of authenticity and limited warranty card with gemological research association (GRA), because a single moissanite has fewer carats (less than 0.3 carats).
A matching box.
4: Circumference 1.9 in
5: Circumference 2 in
6: Circumference 2.1 in
7: Circumference 2.2 in
8: Circumference 2.3 in
9: Circumference 2.4 in
10: Circumference 2.44 in
Total: 1 carat
Weight: 0.06 oz (1.7 g)