EF COLLECTION Diamond Fleur Stud Earring in Metallic Gold. EF COLLECTION Diamond Fleur Stud Earring in Metallic Gold. 14k yellow gold studs finished with a diamond floral motif. Made in Thailand. Post-back closure. All gemstone carat weights (tcw) are approximate; variance may be 0.05 carat.. Measures approx 0.18L. EFCR-WL253. EF-62078. 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.