Solitaire Ring in 18K White Gold from collection Tu es le sel de ma vie (You are the Salt of my Life) Mauboussin - Pre owned Solitaire Mauboussin in 18K white gold (750/1000) adorned with a central diamond set in prongs flanked by 6 small diamonds set in grain. The domed band features a brilliant-cut diamond of approximately 0.15 carats set in four prongs enhanced by a line of diamonds on the ring shank. Size 48. Signature - Mauboussin and numbered. Condition - Excellent condition - this ring has been polished and rhodium-plated for a perfect finish and incredible shine and the stone setting has been checked. Details -. 18K White Gold (750/1000). 1 central diamond set in prongs for approximately 0.15 carats. 6 small diamonds set in grain. Finger size - 48. Weight - 2.28 grams - Packaging and Certificates -. Mauboussin round black varnished cardboard box. (Condition - Good). Expert certificate issued by our partner expert.