Lot 152. An Important 30.40 carats H color, VS2 clarity Diamond Ring, Betteridge. Estimate 900,000 — 1,100,000 USD. Sold for $1,160,000 ($38,158 per carat). Courtesy Sotheby's.

Centering a round diamond weighing 30.40 carats, the mounting further decorated with round diamonds, size 6½, signed AEB.

Accompanied by GIA report no. 2173538023 dated March 21, 2016 stating that the diamond is H color, VS2 clarity, with Excellent Cut, Polish and Symmetry.