Early Christian and Byzantine Early Medieval Gothic Renaissance and Baroque Posy Rings Emerald Signet Rings Garnet Cameos and Intaglios Ruby Stirrup Rings Sapphire Tart Mold Rings Turquoise Iconographic Rings Diamond Bouquet or "Cluster" Rings Other Cloisonne Enamel Rings   Memento Mori Rings   under 2,000 Euros 2,000 to 4,000 Euros 4,000 to 6,500 Euros 6,500 to 10,000 Euros 10,000 to 20,000 Euros above 20,000 Euros (* the reference number is at the bottom of each description)