Silver Necklace with Interlinking CirclesSilver Circle Necklace This elegant necklace features two interlocking circles, crafted from polished sterling silver, a timeless alloy of 92. 5% pure silver and 7. 5% copper. This blend ensures both durability and a beautiful, lasting shine. The interplay of the two circles creates a captivating design. The larger circle measures 18mm in diameter, while the smaller circle, nestled within, measures 15mm, creating a subtle yet striking contrast.