The oval cut diamond is graded as E color with VVS2 clarity.

FORBES: 48-Carat Diamond Ring May Fetch $3.5 Million at Auction

The first is a ring set with a 46.51-ct. oval-cut diamond, flanked on either side by a pear-shaped diamond, weighing approximately 1 and 1.01 cts.

FORBES: 48-Carat Diamond Ring May Fetch $3.5 Million at Auction

Among the colored diamond highlights is an oval-cut fancy intense yellow, internally flawless diamond of 68.35 carats with excellent polish and symmetry.

FORBES: Big Diamonds Lead Christie's Magnificent Jewels Sale