5. Tiffany & Co. Schlumberger® Two Bees Ring

Tiffany & Co. Schlumberger® Two Bees Ring

Price: $68,900 at tiffany.com

A singular round-cut diamond, set in platinum with yellow gold accents, is framed by magnificent stone "bees," a symbol of royalty.

Tiffany & Co. Schlumberger® Engagement Ring