The Serena Engagement Ring (Radiant) Taylor Custom Rings Serena Ring Serena Ring Waterproof Jewellery Realta Ralta Serena Signet Ring Meritis The Serena Ring (Square Cushion) Taylor Custom Rings Serena Williams' engagement ring cost 200x the average price see. Designed for everyday wear, this ring is crafted to stay with you through it all. Made with high quality base metal and finished with long lasting PVD gold plating, it is waterproof, sweat resistant, and tarnish free with proper care. You can wear it daily in the shower, during workouts, or while travelling without worrying about fading or discolouration.