Vintage 1930's Raymond Yard Diamond Engagement Ring in PlatinumVintage 1930s Raymond Yard Diamond Engagement Ring in Platinum. This Art Deco engagement ring features a . 69 carat round cut diamond with . 10 carats of baguette accents and is finished in platinum. A very clean and elegant look coming from the 1930s which strongly secures the primary stone with four polished prongs. The side profile of the ring is low and smooth, allowing this ring to be a great option for someone who works with their hands