Products

EXCLUSIVE NEW YORK VIEWINGS

Dec 9–10, 2025 | By Appointment Only

Meet Mr. Leibish Polnauer in person and discover the treasures he keeps closest to him.

BOOK YOUR VIEWING
11.98 Carat Blue SRI LANKAN Round Sapphire CD
11.98 Carat Blue SRI LANKAN Round Sapphire CD
11.98 Carat Blue SRI LANKAN Round Sapphire CD
11.98 Carat Blue SRI LANKAN Round Sapphire CD

11.98 Carat Blue SRI LANKAN Round Sapphire CD

$89,950 USD

12.04 Carat Blue SRI LANKAN Cushion Sapphire CD
12.04 Carat Blue SRI LANKAN Cushion Sapphire CD
12.04 Carat Blue SRI LANKAN Cushion Sapphire CD
12.04 Carat Blue SRI LANKAN Cushion Sapphire CD

12.04 Carat Blue SRI LANKAN Cushion Sapphire CD

$83,176 USD

12.17 Carat Blue SRI LANKAN Oval Sapphire CD
12.17 Carat Blue SRI LANKAN Oval Sapphire CD
12.17 Carat Blue SRI LANKAN Oval Sapphire CD

12.17 Carat Blue SRI LANKAN Oval Sapphire CD

$65,818 USD

12.18 Carat Blue SRI LANKAN Cushion Sapphire AGL
12.18 Carat Blue SRI LANKAN Cushion Sapphire AGL
12.18 Carat Blue SRI LANKAN Cushion Sapphire AGL
12.18 Carat Blue SRI LANKAN Cushion Sapphire AGL

12.18 Carat Blue SRI LANKAN Cushion Sapphire AGL

$213,250 USD

12.23 Carat Blue SRI LANKAN Emerald Sapphire CD
12.23 Carat Blue SRI LANKAN Emerald Sapphire CD
12.23 Carat Blue SRI LANKAN Emerald Sapphire CD

12.23 Carat Blue SRI LANKAN Emerald Sapphire CD

$85,710 USD

12.43 Carat Green COLOMBIAN Pear Emerald CD
12.43 Carat Green COLOMBIAN Pear Emerald CD
12.43 Carat Green COLOMBIAN Pear Emerald CD
12.43 Carat Green COLOMBIAN Pear Emerald CD

12.43 Carat Green COLOMBIAN Pear Emerald CD

$241,615 USD

12.47 Carat Gray  Oval Morganite
12.47 Carat Gray  Oval Morganite
12.47 Carat Gray  Oval Morganite
12.47 Carat Gray  Oval Morganite

12.47 Carat Gray Oval Morganite

$750 USD

12.48 Carat Green COLOMBIAN Heart Emerald GUBELIN
12.48 Carat Green COLOMBIAN Heart Emerald GUBELIN
12.48 Carat Green COLOMBIAN Heart Emerald GUBELIN
12.48 Carat Green COLOMBIAN Heart Emerald GUBELIN

12.48 Carat Green COLOMBIAN Heart Emerald GUBELIN

$363,268 USD

12.54 Carat Blue SRI LANKAN Oval Sapphire GIA
12.54 Carat Blue SRI LANKAN Oval Sapphire GIA
12.54 Carat Blue SRI LANKAN Oval Sapphire GIA
12.54 Carat Blue SRI LANKAN Oval Sapphire GIA

12.54 Carat Blue SRI LANKAN Oval Sapphire GIA

$59,540 USD

12.55 Carat Blue MADAGASCAR Sq. Emerald Sapphire AGL
12.55 Carat Blue MADAGASCAR Sq. Emerald Sapphire AGL
12.55 Carat Blue MADAGASCAR Sq. Emerald Sapphire AGL
12.55 Carat Blue MADAGASCAR Sq. Emerald Sapphire AGL

12.55 Carat Blue MADAGASCAR Sq. Emerald Sapphire AGL

$530,338 USD

12.72 Carat Blue SRI LANKAN Emerald Sapphire CD
12.72 Carat Blue SRI LANKAN Emerald Sapphire CD
12.72 Carat Blue SRI LANKAN Emerald Sapphire CD
12.72 Carat Blue SRI LANKAN Emerald Sapphire CD

12.72 Carat Blue SRI LANKAN Emerald Sapphire CD

$146,380 USD

12.77 Carat Blue SRI LANKAN Cushion Sapphire CD
12.77 Carat Blue SRI LANKAN Cushion Sapphire CD
12.77 Carat Blue SRI LANKAN Cushion Sapphire CD
12.77 Carat Blue SRI LANKAN Cushion Sapphire CD
12.77 Carat Blue SRI LANKAN Cushion Sapphire CD

12.77 Carat Blue SRI LANKAN Cushion Sapphire CD

$146,955 USD

13.02 Carat Fancy Light Brownish Yellow Pear Diamond VS1 GIA
13.02 Carat Fancy Light Brownish Yellow Pear Diamond VS1 GIA
13.02 Carat Fancy Light Brownish Yellow Pear Diamond VS1 GIA

13.02 Carat Fancy Light Brownish Yellow Pear Diamond VS1 GIA

$202,236 USD

13.21 Carat Natural Black Round Diamond GIA
13.21 Carat Natural Black Round Diamond GIA

13.21 Carat Natural Black Round Diamond GIA

$26,394 USD

13.29 Carat Blue  Pear Aquamarine
13.29 Carat Blue  Pear Aquamarine

13.29 Carat Blue Pear Aquamarine

$1,200 USD

13.31 Carat Blue TANZANIAN Trilliant Tanzanite GWLAB
13.31 Carat Blue TANZANIAN Trilliant Tanzanite GWLAB
13.31 Carat Blue TANZANIAN Trilliant Tanzanite GWLAB
13.31 Carat Blue TANZANIAN Trilliant Tanzanite GWLAB

13.31 Carat Blue TANZANIAN Trilliant Tanzanite GWLAB

$12,478 USD

13.44 Carat Green COLOMBIAN Heart Emerald GUBELIN
13.44 Carat Green COLOMBIAN Heart Emerald GUBELIN
13.44 Carat Green COLOMBIAN Heart Emerald GUBELIN
13.44 Carat Green COLOMBIAN Heart Emerald GUBELIN

13.44 Carat Green COLOMBIAN Heart Emerald GUBELIN

$91,358 USD

13.50 Carat Blue SRI LANKAN Oval Sapphire CD
13.50 Carat Blue SRI LANKAN Oval Sapphire CD
13.50 Carat Blue SRI LANKAN Oval Sapphire CD
13.50 Carat Blue SRI LANKAN Oval Sapphire CD

13.50 Carat Blue SRI LANKAN Oval Sapphire CD

$128,350 USD

13.54 Carat Blue SRI LANKAN Pear Sapphire CD
13.54 Carat Blue SRI LANKAN Pear Sapphire CD
13.54 Carat Blue SRI LANKAN Pear Sapphire CD
13.54 Carat Blue SRI LANKAN Pear Sapphire CD

13.54 Carat Blue SRI LANKAN Pear Sapphire CD

$103,004 USD

13.60 Carat Blue  Oval Sapphire GIA
13.60 Carat Blue  Oval Sapphire GIA
13.60 Carat Blue  Oval Sapphire GIA
13.60 Carat Blue  Oval Sapphire GIA

13.60 Carat Blue Oval Sapphire GIA

$80,612 USD

13.66 Carat Blue TANZANIAN Oval Tanzanite GWLAB
13.66 Carat Blue TANZANIAN Oval Tanzanite GWLAB
13.66 Carat Blue TANZANIAN Oval Tanzanite GWLAB
13.66 Carat Blue TANZANIAN Oval Tanzanite GWLAB

13.66 Carat Blue TANZANIAN Oval Tanzanite GWLAB

$11,984 USD

14.07 Carat Blue MADAGASCAR Oval Aquamarine GWLAB
14.07 Carat Blue MADAGASCAR Oval Aquamarine GWLAB
14.07 Carat Blue MADAGASCAR Oval Aquamarine GWLAB
14.07 Carat Blue MADAGASCAR Oval Aquamarine GWLAB

14.07 Carat Blue MADAGASCAR Oval Aquamarine GWLAB

$7,839 USD

14.07 Carat Fancy Light Yellow Radiant Diamond VS2 GIA
14.07 Carat Fancy Light Yellow Radiant Diamond VS2 GIA
14.07 Carat Fancy Light Yellow Radiant Diamond VS2 GIA

14.07 Carat Fancy Light Yellow Radiant Diamond VS2 GIA

$309,640 USD

14.08 Carat Blue TANZANIAN Trilliant Tanzanite GWLAB
14.08 Carat Blue TANZANIAN Trilliant Tanzanite GWLAB
14.08 Carat Blue TANZANIAN Trilliant Tanzanite GWLAB
14.08 Carat Blue TANZANIAN Trilliant Tanzanite GWLAB

14.08 Carat Blue TANZANIAN Trilliant Tanzanite GWLAB

$13,476 USD

14.13 Carat Blue TANZANIAN Oval Tanzanite
14.13 Carat Blue TANZANIAN Oval Tanzanite
14.13 Carat Blue TANZANIAN Oval Tanzanite
14.13 Carat Blue TANZANIAN Oval Tanzanite

14.13 Carat Blue TANZANIAN Oval Tanzanite

$10,839 USD

14.33 Carat Green COLOMBIAN Emerald Emerald GRS
14.33 Carat Green COLOMBIAN Emerald Emerald GRS
14.33 Carat Green COLOMBIAN Emerald Emerald GRS
14.33 Carat Green COLOMBIAN Emerald Emerald GRS

14.33 Carat Green COLOMBIAN Emerald Emerald GRS

$751,852 USD

14.65 Carat Green ZAMBIAN Pear Emerald CD
14.65 Carat Green ZAMBIAN Pear Emerald CD
14.65 Carat Green ZAMBIAN Pear Emerald CD
14.65 Carat Green ZAMBIAN Pear Emerald CD

14.65 Carat Green ZAMBIAN Pear Emerald CD

$150,263 USD

14.66 Carat Blue TANZANIAN Pear Tanzanite GWLAB
14.66 Carat Blue TANZANIAN Pear Tanzanite GWLAB
14.66 Carat Blue TANZANIAN Pear Tanzanite GWLAB
14.66 Carat Blue TANZANIAN Pear Tanzanite GWLAB

14.66 Carat Blue TANZANIAN Pear Tanzanite GWLAB

$13,734 USD