René BOIVIN Ring "Quatre corps René BOIVIN Ring "Quatre corps In 18k yellow gold, consisting of four mobile rings set with 22 brilliant-cut diamonds in oval settings Circa 1985 Unsigned, jeweller's hallmark TDD: 53-54, Gross weight: 14.22 g Certificate of authenticity from René Boivin (2024) A diamond and 18k yellow gold "Quatre corps" ring, by René Boivin circa 1985 Authenticity Certificate from René Boivin Bibliography: Françoise Cailles, René Boivin Joaillier, Les Editions de l'Amateur, 1994, illustration of this model p.156, 264 and 323 CONDITION REPORT : Good condition, worn patina Ste René Boivin jeweller's hallmark Based on a design by Juliette Moutard, 1948 CONDITION REPORT : Good condition, usual wear Ste René Boivin jeweller's hallmark After a drawing by Juliette Moutard in 1948