Christie's NYC sold more than $69 million of precious jewels in a single night and more than 25% of it came from one blue diamond ring

A 6.28 carat cushion-cut Belle Époque Kashmir sapphire ring of 6.28 sold for $936,500.

A rectangular-cut D color diamond ring of 18.77 carats by Carvin French also went for $936,500.

Source: Christie's

A cushion-cut fancy vivid green diamond ring of 3.01 carats sold for $972,500.

Source: Christie's

This rectangular-cut D color diamond ring of 12.64 carats by jeweler Harry Winston sold for $1.06 million.

Source: Christie's

This eye-catching, 8.0 carat oval-cut fancy vivid yellow diamond ring by Gillot & Co. was bought for $1.30 million.

Source: Christie's

These pear-shaped earrings, called "The Foxfire Diamonds" are 37.87 and 36.80 carats each and sold for $1.57 million.

Source: Christie's

An old European-cut D color, internally flawless diamond ring of 15.19 carats sold for $1.69 million.

Source: Christie's

A rectangular-cut D color diamond ring of 28.70 carats sold for $2.05 million.

Source: Christie's

This heart-shaped pendant necklace, a fancy intense pink diamond of 15.56 carats, sold for $9.53 million.

Source: Christie's

And the most expensive sale of the night was a cushion-cut fancy vivid blue diamond ring of 8.08 carats by Bulgari, which went for $18.31 million. Christie's calls it "among the finest blue diamonds ever to have come to market."

Source: Christie's