The Du Cap Necklace features a 13mm  x 8mm Halo Cut CZ surrounded by smaller CZs
or 
The Pave Heart Necklace  (8.7mm x 10.8mm)
 
Both necklaces are 16" - 18" Adjustable and are made with Rhodium Plated .925 Sterling Silver 
 
 
The 24mm Diamond Hoops Earrings are Rhodium Plated .925 Sterling Silver