The Real Fine Signature Setting is designed for perfect balance: the Diamond sits as low as possible while still allowing bands to stack flush. The band measures approximately 1.8–2mm, adjusted to suit the size and proportions of the stone. Four refined eagle-claw prongs are set north, south, east and west for a clean, timeless finish. Diamond Specs: 4ctw Antique Elongated Cushion Design Features: Compass Prongs 18k Royal Yellow Gold Available in Natural and Lab-Grown Diamonds. As this is a custom piece, we tailor the diamond to your preferences and budget.