Sale 394 Lot 269 A Carat Octagonal Step Cut Fancy Yellow Diamond, measuring approximately x x 8.63 mm, together with a yellow gold r

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1 Sale 394 Lot 269 A Carat Octagonal Step Cut Fancy Yellow Diamond, measuring approximately x x 8.63 mm, together with a yellow gold ring setting. Accompanied by a Gemological Institute of America colored diamond grading certificate number , dated June 9, 2015, stating Color: Fancy Yellow, Natural Even, Clarity: SI1, Polish: Good, Symmetry: Very Good, Fluorescence: Faint dwts. $70,000-90,000

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3 Sale 394 Lot 501A A White Gold, Fancy Light Orangy Pink Diamond and Diamond Ring, containing one round brilliant cut fancy light orangy pink diamond weighing approximately 1.39 carats and four round brilliant cut diamonds weighing approximately 0.16 carat total. Diamond laser inscription: FLOP/VVS2. Accompanied by a Gemological Institute of America colored diamond grading certificate number , dated April 7, 2009, stating Color: Fancy Light Orangy Pink, Origin: Natural, Clarity: VVS2, Table: 59.00%, Depth: 59.30%, Polish: Good, Symmetry: Very Good, Fluorescence: None dwts. $50,000-70,000

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5 Sale 394 Lot 264 An 18 Karat Gold, Colored Diamond and Diamond Ring, Christopher Designs, containing one round brilliant cut light yellow diamond weighing approximately carats and 68 round brilliant cut diamonds weighing approximately 1.56 carats total. Stamp: Pt900 M21335 (maker's mark for Christopher Designs). Accompanied by a Gemological Institute of America diamond grading certificate number , dated June 4, 2013, stating Color: W-X, Clarity: SI2 (with a note that this stone has been laser drilled), Cut: Good, Polish: Good, Symmetry: Very Good, Fluorescence: None dwts. $50,000-70,000

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7 Sale 394 Lot 520 A Two Tone Gold, Colored Diamond and Diamond Ring, containing one marquise cut diamond weighing approximately 9.44 carats and 12 round brilliant and old mine cut diamonds weighing approximately 0.88 carat total. Accompanied by a Gemological Institute of America diamond grading certificate number , dated July 7, 2015, stating Color: W-X, Clarity: SI1, Polish: Very Good, Symmetry: Good, Fluorescence: Medium Blue dwts. Property from the Estate of Rita Bass Coors, Golden, Colorado $40,000-60,000

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9 Sale 394 Lot 286 A Platinum, 18 Karat Yellow Gold, Colored Diamond and Diamond Ring, containing one cushion modified brilliant cut fancy light brownish yellow diamond weighing approximately 8.64 carats and two demi lune cut diamonds weighing approximately 0.75 carat total. Accompanied by a Gemological Institute of America colored diamond grading certificate number , dated May 8, 2015, stating Color: Fancy Light Brownish Yellow, Clarity: SI1, Table: 67.00%, Depth: 68.40%, Polish: Very Good, Symmetry: Good, Fluorescence: Faint dwts. $30,000-50,000

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11 Sale 394 Lot 501 An 18 Karat Yellow Gold, Fancy Intense Yellow Diamond and Diamond Ring, Cartier, containing one radiant cut fancy intense yellow diamond weighing approximately 3.06 carats and two triangular brilliant cut diamonds weighing approximately 0.85 carat total. Stamp: 18K. Hand inscribed: Cartier Accompanied by a Gemological Institute of America colored diamond grading certificate number , dated July 28, 2015, stating Color: Fancy Intense Yellow, Natural, Even, Clarity: VVS1, Polish: Very Good, Symmetry: Very Good, Fluorescence: None dwts. Property from the Collection of M. Thorne, Lake Forest, Illinois $25,000-35,000

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13 Sale 394 Lot 268 A 0.57 Carat Radiant Cut Fancy Intense Green Diamond, measuring approximately 5.05 x 4.29 x 2.85 mm. Accompanied by a Gemological Institute of America colored diamond grading certificate number , dated October 10, 2008, stating Color Origin: Natural, Color Grade: Fancy Intense Green, Even, Clarity: VS1, Polish: Good, Symmetry: Good, Fluorescence: Medium Blue. $15,000-20,000

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15 Sale 394 Lot 417 An 18 Karat White Gold, Black Diamond and Diamond Ring, containing one round brilliant cut black diamond weighing approximately carats and numerous pave set round brilliant cut black and white diamonds weighing approximately 2.56 carats total. Stamp: (maker's mark). Provenance: Christie's Geneva, Sale 1267, Lot 400, November 18, Note: Originally accompanied by the following information: A Gubelin Gemological Laboratory of America certificate number , dated August 31, 1999 stating black, natural color (original copy not available) dwts. Property from the Estate of Rita Bass Coors, Golden, Colorado $20,000-30,000

16 Sale 394 Lot 267A A Carat Round Brilliant Cut Natural Black Diamond, measuring approximately x x mm. Accompanied by a Diamond High Council (HRD) Antwerp certificate number 99/0/2620/01 dated February 22, 1999 stating that the diamond weighs carats, is black, non-transparent, natural color dwts. Property from the Estate of Rita Bass Coors, Golden, Colorado $15,000-20,000

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