Citrus Thea EarringsThese tropical earrings feature a cluster of citrus hued leaves adorned with intricately hand set gemstones and diamonds for just the right amount of sparkle. All stones are lab created, offering a sense of environmental responsibility to the design. 18k yellow gold vermeil, sterling silver, orange sapphire, apple green tourmaline, champagne diamond, and white diamond (all stones and diamonds are synthesized and simulated) Apple green tourmaline: 2.