Vintage Platinum 1.07 Carat Marquise Diamond Three Stone RingPlatinum marquise diamond ring, circa 1980s, designed with a 1. 07 carat marquise cut center diamond accented by tapered baguette diamond side stones. The elongated center diamond is set in a classic platinum mounting with protective pointed end prongs, allowing the marquise shape to sit prominently across the finger. The tapered baguette diamonds are set along each shoulder, adding a clean architectural line that complements the center stone without