The Sinclair RingMarquise Bypass Cluster Ring The Sinclair Ring: showcasing a marquise, brilliant cut natural diamond at its centre, delicately framed by a shimmering halo of sixteen round single cut natural diamonds, adding a sense of depth and radiance to the design. Crafted in 10K yellow gold, the graceful bypass band creates a sense of movement and elegance. Pieces in this collection are vintage, antique, or pre owned in some capacity. As a result, these items