(clockwise from top left) Handmade platinum ring with antique 1.09 ct. center diamond, flanked by two European-cut diamonds (1.35 total ct.), and accented with more diamonds (.22 total ct.) from Joint Venture Estate Jewelers; $15,000 • 18K bi-gold ring with 1.43 ct. cognac center diamond and pear-shaped and pavé diamond accents (.67 total ct.) from Skatell’s; price upon request • Platinum ring with 3.51 ct. cushion-cut center diamond with pavé diamond accents (.29 total ct.) from Croghan’s Jewel Box; $44,100 • 14K white gold ring with 1.01 ct. center diamond with baguettes and accent diamonds (.77 total ct.) from Kiawah Fine Jewelry; $6,975 • Scott Kay Dawn’s 14K white gold ring and accent diamonds (.20 total ct.) from REEDS Jewelers; $1,795 (setting only)