‘Flawless’ 102-carat diamond sells for $15.7 million

An exceptionally rare 102-carat diamond made auction history Monday.

It’s the first gem of its quality to be sold without a reserve, meaning that it would have been sold regardless of the size of the highest bid.

The flawless diamond sold for $15.7 million.

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Cut from a rough diamond discovered in Ontario, Canada, in 2018, it achieved top rankings in each of the “four Cs” -- cut, color, clarity and carat weight.

It has the highest grading for a white diamond, classified as “D color.”