It fetched $57.5 million at a Christie’s auction in 2016. 3. The Blue Moon Diamond Ring – $48.4 Million The Blue Moon diamond ring is known for its 12.03-carat Fancy Vivid Blue diamond.
That’s possible because the moon’s orbital path around Earth is slightly elliptical. The super blue moon sets behind the Balmoral Clock in Edinburgh. (Photo by Jane Barlow/PA Images via ...