The classic engagement ring. Tiffany & Co. introduced its first solitaire engagement ring in 1886. Featuring a single center stone, the solitaire engagement ring is typically set on a plain band, however some styles may feature a pavé band. Retails for 3700 USD. In excellent condition and recently polished. Ring size is 6. Comes with Box;Tiffany Diamond Certificate; (Out of stock) Tiffany Solitaire Engagement Ring in Platinum E VVS1 0.32 CTW