PLATINUM RETRO DECO DIAMOND ENGAGEMENT RING: Centering an .87 Ct old European round cut diamond of VS1 clarity and M color. The 10 round single cut side diamonds add an additional .12 Ct, they are rated VS clarity and H-I color. Center stone is prong set, the smaller diamonds are knife and bead set. Size 6.5. Weight 3.6 grams. Sold with current Florida Diamond Appraisers GIA graduates appraisal for $3,750.