Lot 354. Exquisite Emerald and Diamond Necklace, Harry Winston. Estimate USD 700,000 - USD 1,000,000. Price realised USD 780,500.  © Christie's Images Ltd 2018

Twenty graduated square-cut emeralds, marquise-cut diamonds, platinum, 14 ins., may be separated into four segments and worn as a shorter necklace of 13 ¼ ins. or two bracelets of 6 ½ and 6 ¾ ins., 1959, unsigned, maker's mark (Jacques Timey), black Harry Winston envelope pouch. 

Harry Winston, 2018: Copy of archive letter.

Lot 355. 8.44 and 8.29 carats Colombian Emerald and Diamond Pendants, Harry Winston. Estimate USD 350,000 - USD 550,000. Price realised USD 396,500. © Christie's Images Ltd 2018.

Rectangular-cut emeralds of 8.44 and 8.29 carats, marquise-cut diamonds, platinum, 1 5/8 ins., unsigned, maker's mark (Jacques Timey), accompanied by pear and marquise-cut diamond earring surmounts.

Harry Winston, 2018: Copy of archive letter.

Property from the collection of the late Charlotte and Lennart Erickson.

Lot 353. 25.44 carats Colombian Emerald and Diamond Ring, Harry Winston. Estimate USD 350,000 - USD 550,000. Price realised USD 444,500. © Christie's Images Ltd 2018.

Rectangular-cut emerald of 25.44 carats, triangular-cut diamonds, platinum, ring size 6 ¼, inscription dated 1961, unsigned, maker's mark (Jacques Timey), black Harry Winston envelope pouch.

Harry Winston, 2018: Copy of archive letter.

Property from the collection of the late Charlotte and Lennart Erickson.

Mrs. Charlotte Erickson wearing lots 353-355.