Frost Knoll is an incredibly special and authentic Art Deco (circa 1930) platinum engagement ring. This vintage stunner centers a prong-set 1.22cts EGL certified Old Mine Brilliant Cut diamond graded J color and SI2 clarity. The shoulders are adorned with six tapering Calibre cut natural bright blue sapphires, each channel set and totaling approximately 0.55ct. The center diamond and sapphires are all set incredibly low to the finger, making extremely amenable for everyday wear! The streamlined look of the ring truly embodies Art Deco design. Frost Knoll is is currently a size 4.5 and can be sized to some additional sizes. Please contact our concierge with sizing questions.