EF COLLECTION Diamond Necklace in Metallic Gold. 14K gold. Made in China. Spring clasp closure. Pave white diamonds. Total diamond weight: 0.65 ct. Measures approx 16 adjustable to 15 and 14. EFCR-WL139. EF-61045. Founded by Emily Faith in 2010, EF Collection features delicate pieces that can be worn and enjoyed every day with an elegant, sexy, and feminine feel. The brand focuses on the use of 14k golds with handset diamonds and precious stones. While each piece stands alone, they are enhanced when mixed, matched, layered and stacked.