Sterling Silver Lab-Grown 0.50ct Pink & White Moissanite Round Halo Stud Earrings. These beautiful sterling silver studs feature round brilliant cut lab-grown vibrant pink moissanite solitaire stones secured in four-prong settings in the center. A glittering halo of round brilliant cut lab-grown moissanite pave-prong set around each pink stone highlights the ears with elegance and style. Butterfly backs keep these studs in place; made for pierced ears. Give these pretty studs to any loved one on a birthday, holiday, anniversary, or other momentous occasion.