BERRICLE Rhodium Plated Sterling Silver Solitaire Engagement Ring Set w/Swarovski Zirconia Round METAL: rhodium plated .925 sterling silver, stamped 925, high polished finish, nickel free. RING BAND WIDTH: 2mm. PREMIUM QUALITY STONE: Main Stone: 0.84 carat round cut blue Swarovski zirconia (6mm). STYLE: This solitaire ring features a simple yet elegant silhouette with a dazzling blue center stone perfect for everyday wear. STYLE: Engagement - Ideal for engagement, this ring will be perfect for your special one. GIFTING: Comes with FREE BERRICLE signature jewelry box and is ready for gifting.