CUSTOMMADEPT-3006-BLUE-A: Platinum Engagement Ring with Cushion Cut Blue Sapphire Halo Diamonds with approx 2.75 carats total weight for $7950.00. CUSTOMMADEGO-3006-BLUE-A: 14k Gold Engagement Ring with Cushion Cut Blue Sapphire Halo Diamonds with approx 2.75 carats total weight for $7750.00. We offer our rings in multiple sizes. Before placing your order, please message us to confirm the size you need. Below, we have listed the available sizes for your reference. Please review them and let us know your preference. 3, 3.25, 3.5, 3.75, 4, 4.25, 4.5, 4.75, 5, 5.25, 5.5, 5.75, 6, 6.25, 6.5, 6.75, 7, 7.25, 7.5, 7.75, 8, 8.25, 8.5, 8.75, 9, 9.25, 9.5, 9.75, 10, 10.25, 10.5, 10.75, 11, 11.25, 11.5, 11.75, 12, 12.25, 12.5, 12.75