This tennis bracelet is made in 18 karat white gold plated solid sterling silver. It features 3 mm round brilliant cut moissanite stones. Each moissanite is set in four-prongs and the tennis bracelet features a very secure double figure eight bracelet. The moissanite quality is E to F color and VVS clarity. The bracelet is CERTIFIED by GRA. FOR THE 3MM BRACELET: The 6 inch features 47 round moissanites with a DIAMOND EQUIVALENT WEIGHT of 4.7 carats. the 6.5 inch bracelet features 50 round brilliant cut moissanite with DIAMOND EQUIVALENT WEIGHT of 5 Carats. The 7 inch features 54 round moissanites with a diamond equivalent weight of 5.40 carats. The 7.5" contains 57 moissanites with a 5.7 CT DEW and the 8" contains 59 round moissanites with DEW of 5.90 CTS. The bracelet is made in solid sterling silver with an 18 karat white gold plating to help protect against tarnish. The 4MM BRACELET FEATURES: 6" - 37 RD 4MM - 9.25 CT DEW; 6.5 " - 40 RD 4MM - 10 CT DEW; 7" - 43 RD 4 MM - 10.75 DEW; 7.5" - 46 RD 4MM - 11.5 CT DEW ; 8" - 49 RD 4MM - 12.25 CT DEW; 8.5" - 52 RD 4MM - 13 CT DEW; 9" - 55 RD 4MM - 13.75 CT DEW