Swarovski Constella Silver Tone Crystal Necklace, 17 3 4" Macy's Swarovski Constella ring pendant Necklace Silver FARFETCH Swarovski Constella Silver Tone Crystal Necklace, 17 3 4" Macy's Swarovski Silver Tone Constella Crystal All Around Necklace, 19 3 4. The Crystal Constella Pendant is designed with a delicate motif inspired by the night sky's beauty. Carefully crafted, it offers a subtle and elegant enhancement to any look. Its classic design ensures it is a versatile piece suitable for both daily wear and special events.