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
10.13 Carat Red MOZAMBICAN Oval Ruby GRS
10.13 Carat Red MOZAMBICAN Oval Ruby GRS
10.13 Carat Red MOZAMBICAN Oval Ruby GRS
10.13 Carat Red MOZAMBICAN Oval Ruby GRS

10.13 Carat Red MOZAMBICAN Oval Ruby GRS

$187,505 USD

10.15 Carat Blue SRI LANKAN Pear Sapphire GRS
10.15 Carat Blue SRI LANKAN Pear Sapphire GRS
10.15 Carat Blue SRI LANKAN Pear Sapphire GRS
10.15 Carat Blue SRI LANKAN Pear Sapphire GRS

10.15 Carat Blue SRI LANKAN Pear Sapphire GRS

$73,180 USD

10.15 Carat Purple MADAGASCAR Oval Sapphire CD
10.15 Carat Purple MADAGASCAR Oval Sapphire CD
10.15 Carat Purple MADAGASCAR Oval Sapphire CD
10.15 Carat Purple MADAGASCAR Oval Sapphire CD

10.15 Carat Purple MADAGASCAR Oval Sapphire CD

$182,800 USD

10.16 Carat Pink SRI LANKAN Oval Sapphire CD
10.16 Carat Pink SRI LANKAN Oval Sapphire CD
10.16 Carat Pink SRI LANKAN Oval Sapphire CD
10.16 Carat Pink SRI LANKAN Oval Sapphire CD

10.16 Carat Pink SRI LANKAN Oval Sapphire CD

$214,781 USD

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10.16 Carat Yellow SRI LANKAN Emerald Sapphire CD
10.16 Carat Yellow SRI LANKAN Emerald Sapphire CD
10.16 Carat Yellow SRI LANKAN Emerald Sapphire CD
10.16 Carat Yellow SRI LANKAN Emerald Sapphire CD

10.16 Carat Yellow SRI LANKAN Emerald Sapphire CD

$24,484 USD

10.17 Carat Blue SRI LANKAN Cushion Sapphire CD
10.17 Carat Blue SRI LANKAN Cushion Sapphire CD
10.17 Carat Blue SRI LANKAN Cushion Sapphire CD
10.17 Carat Blue SRI LANKAN Cushion Sapphire CD

10.17 Carat Blue SRI LANKAN Cushion Sapphire CD

$84,511 USD

10.18 Carat Blue SRI LANKAN Oval Sapphire CD
10.18 Carat Blue SRI LANKAN Oval Sapphire CD
10.18 Carat Blue SRI LANKAN Oval Sapphire CD
10.18 Carat Blue SRI LANKAN Oval Sapphire CD

10.18 Carat Blue SRI LANKAN Oval Sapphire CD

$69,324 USD

10.19 Carat Fancy Intense Yellow Radiant Diamonds VS2 GIA
10.19 Carat Fancy Intense Yellow Radiant Diamonds VS2 GIA
10.19 Carat Fancy Intense Yellow Radiant Diamonds VS2 GIA

10.19 Carat Fancy Intense Yellow Radiant Diamonds VS2 GIA

$310,080 USD

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10.19 Carat Red MOZAMBICAN Oval Ruby GRS
10.19 Carat Red MOZAMBICAN Oval Ruby GRS
10.19 Carat Red MOZAMBICAN Oval Ruby GRS
10.19 Carat Red MOZAMBICAN Oval Ruby GRS

10.19 Carat Red MOZAMBICAN Oval Ruby GRS

$240,584 USD

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10.20 Carat Yellow SRI LANKAN Emerald Sapphire CD
10.20 Carat Yellow SRI LANKAN Emerald Sapphire CD
10.20 Carat Yellow SRI LANKAN Emerald Sapphire CD
10.20 Carat Yellow SRI LANKAN Emerald Sapphire CD

10.20 Carat Yellow SRI LANKAN Emerald Sapphire CD

$24,580 USD

10.23 Carat Fancy Black Round Brilliant Diamond GIA
10.23 Carat Fancy Black Round Brilliant Diamond GIA
10.23 Carat Fancy Black Round Brilliant Diamond GIA

10.23 Carat Fancy Black Round Brilliant Diamond GIA

$39,997 USD

10.23 Carat Black Round Diamond
10.23 Carat Black Round Diamond
10.23 Carat Black Round Diamond

10.23 Carat Natural Black Round Diamond GIA

$20,440 USD

10.30 Carat Pink MADAGASCAR Oval Sapphire AGL
10.30 Carat Pink MADAGASCAR Oval Sapphire AGL
10.30 Carat Pink MADAGASCAR Oval Sapphire AGL
10.30 Carat Pink MADAGASCAR Oval Sapphire AGL

10.30 Carat Pink MADAGASCAR Oval Sapphire AGL

$381,200 USD

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10.36 Carat Fancy Dark Orangy Brown Cushion Diamond (SI2) GIA
10.36 Carat Fancy Dark Orangy Brown Cushion Diamond (SI2) GIA
10.36 Carat Fancy Dark Orangy Brown Cushion Diamond (SI2) GIA

10.36 Carat Fancy Dark Orangy Brown Cushion Diamond (SI2) GIA

$23,721 USD

10.39 Carat Yellow SRI LANKAN Emerald Sapphire CD
10.39 Carat Yellow SRI LANKAN Emerald Sapphire CD
10.39 Carat Yellow SRI LANKAN Emerald Sapphire CD
10.39 Carat Yellow SRI LANKAN Emerald Sapphire CD

10.39 Carat Yellow SRI LANKAN Emerald Sapphire CD

$18,802 USD

10.41 Carat Fancy Deep Brownish Yellow Pear Diamond VS2 GIA
10.41 Carat Fancy Deep Brownish Yellow Pear Diamond VS2 GIA
10.41 Carat Fancy Deep Brownish Yellow Pear Diamond VS2 GIA
10.41 Carat Fancy Deep Brownish Yellow Pear Diamond VS2 GIA

10.41 Carat Fancy Deep Brownish Yellow Pear Diamond VS2 GIA

$142,925 USD

10.43 Carat Green ZAMBIAN Pear Emerald GRS
10.43 Carat Green ZAMBIAN Pear Emerald GRS
10.43 Carat Green ZAMBIAN Pear Emerald GRS
10.43 Carat Green ZAMBIAN Pear Emerald GRS

10.43 Carat Green ZAMBIAN Pear Emerald GRS

$142,887 USD

10.46 Carat Blue SRI LANKAN Oval Sapphire CD
10.46 Carat Blue SRI LANKAN Oval Sapphire CD
10.46 Carat Blue SRI LANKAN Oval Sapphire CD
10.46 Carat Blue SRI LANKAN Oval Sapphire CD

10.46 Carat Blue SRI LANKAN Oval Sapphire CD

$63,906 USD

10.47 Carat Blue SRI LANKAN Emerald Sapphire GRS
10.47 Carat Blue SRI LANKAN Emerald Sapphire GRS
10.47 Carat Blue SRI LANKAN Emerald Sapphire GRS
10.47 Carat Blue SRI LANKAN Emerald Sapphire GRS
10.47 Carat Blue SRI LANKAN Emerald Sapphire GRS

10.47 Carat Blue SRI LANKAN Emerald Sapphire GRS

$90,090 USD

10.47 Carat Fancy Deep Brownish Orangy Yellow HEART Diamond SI1 GIA
10.47 Carat Fancy Deep Brownish Orangy Yellow HEART Diamond SI1 GIA
10.47 Carat Fancy Deep Brownish Orangy Yellow HEART Diamond SI1 GIA

10.47 Carat Fancy Deep Brownish Orangy Yellow HEART Diamond SI1 GIA

$167,620 USD

10.49 Carat Blue SRI LANKAN Oval Sapphire CD
10.49 Carat Blue SRI LANKAN Oval Sapphire CD
10.49 Carat Blue SRI LANKAN Oval Sapphire CD
10.49 Carat Blue SRI LANKAN Oval Sapphire CD

10.49 Carat Blue SRI LANKAN Oval Sapphire CD

$65,138 USD

10.51 Carat Blue BRAZILLIAN Oval Aquamarine
10.51 Carat Blue BRAZILLIAN Oval Aquamarine
10.51 Carat Blue BRAZILLIAN Oval Aquamarine
10.51 Carat Blue BRAZILLIAN Oval Aquamarine

10.51 Carat Blue BRAZILLIAN Oval Aquamarine

$12,607 USD

10.52 Carat Blue SRI LANKAN Oval Sapphire GRS
10.52 Carat Blue SRI LANKAN Oval Sapphire GRS
10.52 Carat Blue SRI LANKAN Oval Sapphire GRS
10.52 Carat Blue SRI LANKAN Oval Sapphire GRS

10.52 Carat Blue SRI LANKAN Oval Sapphire GRS

$38,498 USD

10.52 Carat Fancy Yellow Cushion Diamond VS2 GIA
10.52 Carat Fancy Yellow Cushion Diamond VS2 GIA
10.52 Carat Fancy Yellow Cushion Diamond VS2 GIA
10.52 Carat Fancy Yellow Cushion Diamond VS2 GIA

10.52 Carat Fancy Yellow Cushion Diamond VS2 GIA

$216,181 USD

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10.57 Carat Black Emerald Diamond
10.57 Carat Black Emerald Diamond
10.57 Carat Black Emerald Diamond

10.57 Carat Natural Black Emerald Diamond GIA

$20,886 USD

10.60 Carat Blue SRI LANKAN Cushion Sapphire CD
10.60 Carat Blue SRI LANKAN Cushion Sapphire CD
10.60 Carat Blue SRI LANKAN Cushion Sapphire CD
10.60 Carat Blue SRI LANKAN Cushion Sapphire CD

10.60 Carat Blue SRI LANKAN Cushion Sapphire CD

$85,960 USD

10.64 Carat Blue MADAGASCAR Emerald Sapphire AGL
10.64 Carat Blue MADAGASCAR Emerald Sapphire AGL
10.64 Carat Blue MADAGASCAR Emerald Sapphire AGL
10.64 Carat Blue MADAGASCAR Emerald Sapphire AGL

10.64 Carat Blue MADAGASCAR Emerald Sapphire AGL

$260,886 USD

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10.79 Carat Blue SRI LANKAN Emerald Sapphire CD
10.79 Carat Blue SRI LANKAN Emerald Sapphire CD
10.79 Carat Blue SRI LANKAN Emerald Sapphire CD
10.79 Carat Blue SRI LANKAN Emerald Sapphire CD
10.79 Carat Blue SRI LANKAN Emerald Sapphire CD

10.79 Carat Blue SRI LANKAN Emerald Sapphire CD

$98,289 USD

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