Baron Jewelry 18mm Heart Shape Necklace Embellished with Swarovski Crystals &hellip; The AB (Aurore Boreale) multi-faceted crystal captures and reflects the light, producing a stunning spectrum of color. 3/4" (18mm) wide and 1 long with pinch, multifaceted authentic Austrian Swarovski crystal shimmers with every move. Nickel free .925 sterling silver with a Rhodium coating. .925 Sterling silver is a very good quality silver, for brilliance, shine, color and durability. Comfortable to wear all day. Rhodium is a rare metal in the Platinum group that is ultra shiny with a very high reflectance rating. It is non-corrosive and will not tarnish or rust and is not affected by sweat and body acids. It has a high 'hardness' rating and will add protection and a long-lasting shine. Swarovski crystals have an exceptional cut and sheer brilliance with the quality and craftsmanship you can expect. Dangling from a secure pinch and rolo chain of Rhodium plated .925 Sterling Silver that will not tarnish. 18 with a 2  extender that is a comfortable length. Packaged for protection in a beautiful gift box for a safe transport and gorgeous presentation including the Swarovski hologram certificate of authenticity. At Baron Jewelry, we have a passion for perfection and our collections are made with finest quality and authentic crystals from Swarovski. We are very fortunate to be a part of a select group partnering with Swarovski and the skilled artists of high-end luxury designs at a cost accessible for everyone.