In addition, a pair of diamond ear pendants brings together a pear-shaped fancy yellow diamond of 52.78 carats and a pear-shaped white diamond of 50.31 carats surmounted by circular-cut fancy yellow and white diamonds Mounted in yellow and white gold, the pendants may be easily swapped or detached completely, giving the owner three options for how to wear them.

FORBES: Big Diamonds Lead Christie's Magnificent Jewels Sale

Not quite as huge but with an equally mysterious history is the so-called Golden Maharaja, a pear-shaped diamond of fancy dark orange-brown color, weighing in at 65.57 carats.

FORBES: McNificent Jewels

These are alternated by two similarly-set diamond flowerheads, each mounted with a brilliant-cut diamond weighing 2.02 and 2.01 cts. to the marquise-cut diamond petals, interspersed by connecting links of pear-shaped fancy vivid and fancy intense diamonds of yellow and orange hues and diamonds of foliate motif.

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The ring is set with a 11.13-ct. cushion shaped diamond of fancy vivid yellow color and VS2 clarity.

FORBES: 30.52-ct. emerald-cut diamond sold for $3.3 million.