* Diamond: approx. 0.33 ct brown hexagon-cut (4.5 mm) * Retail: $3,200 (new from Satomi) * Metal: 18 k yellow gold (Satomi hallmark inside band) * Condition: Excellent – light wear consistent with occasional use. * Size 4 Gorgeous, unique piece that deserves to be worn more often than I do. Currently listed below retail to reflect absence of certificate. Authenticity verified by hallmark. Product site: https://satomikawakita.com/products/4-point-5-mm-brown-diamond-hexagon-ring