Center Stones: 6.5mm Round Brilliant Moissanite (DEF / VVS1). Halo Design: Tiny Moissanite pave stones (approx. 1.0mm - 1.2mm). There must be a distinct, visible solid gold rim (metal collar) separating the center stone from the halo. Metal: 14K Solid Yellow Gold. Backing: Robust, secure threaded screw-back mechanisms with thick posts designed for permanent, daily wear. Structural Integrity (The Weight): The setting must be entirely solid, not hollowed out. To support the heavy-duty screw-back and the structural gold rim, the CAD must show a minimum estimated gold weight of 2.5g to 3.0g for the pair.