Shop › Garden Quartz and Watermelon Tourmaline Necklace Image 1 of 2 Image 2 of 2 Garden Quartz and Watermelon Tourmaline Necklace $154.00 Handmade by Hallie’s Comet Fine Jewelry in Massachusetts.All jewelry is made with either sterling silver or gold-filled. Purchase Added! Handmade by Hallie’s Comet Fine Jewelry in Massachusetts.All jewelry is made with either sterling silver or gold-filled.