This necklace and earring set is made of 18K gold over sterling silver with 13 oval cut garnets and 10 single cut genuine diamonds. The chain comes with an attached 17/8" extender so you can wear the necklace at the full 193/4" length or shorten it to 177/8". The total gem weight is approximately 10 carats. The matching earrings have basketstyle mounting with 14K gold posts. Velour gift boxed.