1) 18K yellow gold and sterling silver ring by Clamore featuring an oval cut citrine prong set in center and surround by a halo of round cut diamonds, lime green enamel shoulders, signed "Clamore" on bottom of shank, sz. 7, 2) blue lace agate ring featuring a cabochon moonstone set in a 14K yellow gold bezel, signed "STN," sz. 7, 3) jasper ring featuring a checkerboard cut green quartz set in a 14K yellow gold bezel, signed "STN," sz. 7, and 4) ebony ring featuring an opal and accent diamonds set in 18K yellow gold bezels, sz. 7, 44.3 grams tw