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Lot 519. Platinum, 14.75 cts Colombian Emerald and Diamond Clip-Brooch, Cartier, Paris. Estimate: $150,000 - $250,000. © Doyle 

Of stylized heart-shaped motif, centering one emerald-cut emerald approximately 14.75 cts., surrounded by 12 square-cut diamonds, flanked by pairs of scrolled bombé ribbons of 150 round and 48 single-cut diamonds, altogether approximately 20.75 cts., signed Cartier, Paris, no. 010323, with maker's mark and French assay markscirca 1935, approximately 27.2 dwts. With signed box. 

With AGL report no. 1084848 stating that the emerald is of Colombian origin, with insignificant to minor traditional clarity enhancement. 

Property of a Family of Spanish Descent 

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Lot 509. Platinum and 5.01 cts Diamond Ring. Estimate: $125,000 - $175,000. © Doyle 

Centering one pear-shaped diamond approximately 5.01 cts., flanked by 2 tapered baguette diamonds. Size 6. 

With GIA report no. 5171976456 stating that the diamond is D color, VVS2 clarity. 

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Lot 511. Platinum, 21.52 cts Colombian Emerald and Diamond Bow Brooch. Estimate: $125,000 - $175,000. © Doyle 

Topped by a double looped bow set with 100 baguette diamonds, centering a cluster of 3 marquise-shaped diamonds approximately 2.50 cts., supporting a drop-shaped pendant centering one pear-shaped emerald approximately 21.52 cts., framed by 21 round and 19 marquise-shaped diamonds, altogether approximately 21.60 cts., approximately 31.2 dwts. 

With AGL report no. 1084006 stating that the emerald is of Colombian origin, with indications of minor traditional clarity enhancement. 

Property of a Distinguished Lady 

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Lot 507. Platinum and 8.95 cts Diamond Ring. Estimate: $80,000 - $120,000. © Doyle 

Centering one cut-cornered step emerald-cut diamond approximately 8.95 cts., flanked by 2 trilliant-cut diamonds approximately 1.50 cts. Size 5 1/4. 

With GIA report no. 1343216 stating that the diamond is H color, VS2 clarity. 

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Lot 508. Platinum, Gold, 13.71 cts Sapphire and Diamond Ring. Estimate: $80,000 - $120,000. © Doyle 

Centering one cushion-shaped sapphire approximately 13.71 cts., flanked by 2 shield-shaped diamonds approximately 1.50 cts. Size 5 1/4. 

With AGL report no. 1081692 stating that the sapphire is of Madagascar origin, no gemological evidence of heat or clarity enhancement

With SSEF report no. 92353 stating that the sapphire is of Madagascar origin, no indications of heating. 

With Gubelin report no. 17032033 stating that the sapphire is of Burma (Myanmar) origin, no indications of heating

Property of a Lady 

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Lot 502. Platinum and 6.41 cts Diamond Ring. Estimate: $80,000 - $120,000. © Doyle 

Centering one cushion-shaped modified brilliant diamond approximately 6.41 cts., flanked by 2 modified tapered baguette diamonds approximately .50 ct., edged by small old European-cut diamonds. Size 6 1/2. 

With GIA report no. 2181627961 stating that the diamond is F color, VS2 clarity. 

Estate of Barbara Hartley Lord 

DOYLEImportant Jewelry - Wed, Oct 18, 2017 at 10am EDT