Shop Ronni Simon Designs › Multi-Gemstone Knotted Necklace Image 1 of 2 Image 2 of 2 Multi-Gemstone Knotted Necklace $275.00 44” continuous strand of 10-14mm gemstones, including Rose Quartz, Lapis, Carnelian. It can be worn single or doubled. Add To Cart Added! 44” continuous strand of 10-14mm gemstones, including Rose Quartz, Lapis, Carnelian. It can be worn single or doubled.