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
2.28 Carat Fancy Black Emerald Diamond GIA
2.28 Carat Fancy Black Emerald Diamond GIA
2.28 Carat Fancy Black Emerald Diamond GIA

2.28 Carat Fancy Black Emerald Diamond GIA

$4,204 USD

2.28 Carat Fancy Dark Gray Round Brilliant Diamond (I1) GIA
2.28 Carat Fancy Dark Gray Round Brilliant Diamond (I1) GIA
2.28 Carat Fancy Dark Gray Round Brilliant Diamond (I1) GIA
2.28 Carat Fancy Dark Gray Round Brilliant Diamond (I1) GIA
2.28 Carat Fancy Dark Gray Round Brilliant Diamond (I1) GIA

2.28 Carat Fancy Dark Gray Round Brilliant Diamond (I1) GIA

$29,284 USD

2.28 Carat Fancy Gray Round Brilliant Diamond I1 GIA
2.28 Carat Fancy Gray Round Brilliant Diamond I1 GIA
2.28 Carat Fancy Gray Round Brilliant Diamond I1 GIA
2.28 Carat Fancy Gray Round Brilliant Diamond I1 GIA

2.28 Carat Fancy Gray Round Brilliant Diamond I1 GIA

$12,435 USD

2.28 Carat Fancy Light Yellow Radiant Diamonds VVS1
2.28 Carat Fancy Light Yellow Radiant Diamonds VVS1
2.28 Carat Fancy Light Yellow Radiant Diamonds VVS1

2.28 Carat Fancy Light Yellow Radiant Diamonds VVS1

$12,184 USD

2.28 Carat Natural Black Emerald Diamond GIA
2.28 Carat Natural Black Emerald Diamond GIA
2.28 Carat Natural Black Emerald Diamond GIA

2.28 Carat Natural Black Emerald Diamond GIA

$4,505 USD

2.28 Carat Natural Black Round Diamond GIA
2.28 Carat Natural Black Round Diamond GIA
2.28 Carat Natural Black Round Diamond GIA

2.28 Carat Natural Black Round Diamond GIA

$4,555 USD

2.28 Carat Natural Black Round Diamond GIA
2.28 Carat Natural Black Round Diamond GIA
2.28 Carat Natural Black Round Diamond GIA

2.28 Carat Natural Black Round Diamond GIA

$4,555 USD

2.28 Carat Pink MADAGASCAR Emerald Sapphire
2.28 Carat Pink MADAGASCAR Emerald Sapphire
2.28 Carat Pink MADAGASCAR Emerald Sapphire
2.28 Carat Pink MADAGASCAR Emerald Sapphire

2.28 Carat Pink MADAGASCAR Emerald Sapphire

$12,435 USD

2.28 Carat Pink MADAGASCAR Pear Sapphire
2.28 Carat Pink MADAGASCAR Pear Sapphire
2.28 Carat Pink MADAGASCAR Pear Sapphire
2.28 Carat Pink MADAGASCAR Pear Sapphire

2.28 Carat Pink MADAGASCAR Pear Sapphire

$3,406 USD

2.28 Carat Q-R Round Brilliant Diamond VS1 GIA
2.28 Carat Q-R Round Brilliant Diamond VS1 GIA
2.28 Carat Q-R Round Brilliant Diamond VS1 GIA

2.28 Carat Q-R Round Brilliant Diamond VS1 GIA

$10,862 USD

2.29 Carat Blue SRI LANKAN Round Sapphire
2.29 Carat Blue SRI LANKAN Round Sapphire
2.29 Carat Blue SRI LANKAN Round Sapphire
2.29 Carat Blue SRI LANKAN Round Sapphire

2.29 Carat Blue SRI LANKAN Round Sapphire

$6,901 USD

2.29 Carat Blue THAI Round Sapphire
2.29 Carat Blue THAI Round Sapphire
2.29 Carat Blue THAI Round Sapphire
2.29 Carat Blue THAI Round Sapphire

2.29 Carat Blue THAI Round Sapphire

$4,955 USD

2.29 Carat Fancy Blue Cushion Diamond VS2 GIA
2.29 Carat Fancy Blue Cushion Diamond VS2 GIA
2.29 Carat Fancy Blue Cushion Diamond VS2 GIA

2.29 Carat Fancy Blue Cushion Diamond VS2 GIA

$1,141,780 USD

Sold
2.29 Carat Fancy Brownish Yellow Pear Diamond VVS2 GIA
2.29 Carat Fancy Brownish Yellow Pear Diamond VVS2 GIA
2.29 Carat Fancy Brownish Yellow Pear Diamond VVS2 GIA

2.29 Carat Fancy Brownish Yellow Pear Diamond VVS2 GIA

$13,611 USD

2.29 Carat Fancy Intense Yellow Cushion Diamond VVS2 GIA
2.29 Carat Fancy Intense Yellow Cushion Diamond VVS2 GIA
2.29 Carat Fancy Intense Yellow Cushion Diamond VVS2 GIA

2.29 Carat Fancy Intense Yellow Cushion Diamond VVS2 GIA

$46,541 USD

2.29 Carat Fancy Yellow Radiant Diamonds VVS2 GIA
2.29 Carat Fancy Yellow Radiant Diamonds VVS2 GIA
2.29 Carat Fancy Yellow Radiant Diamonds VVS2 GIA

2.29 Carat Fancy Yellow Radiant Diamonds VVS2 GIA

$9,260 USD

Sold
2.29 Carat Green COLOMBIAN Round Emerald GRS
2.29 Carat Green COLOMBIAN Round Emerald GRS
2.29 Carat Green COLOMBIAN Round Emerald GRS
2.29 Carat Green COLOMBIAN Round Emerald GRS

2.29 Carat Green COLOMBIAN Round Emerald GRS

$17,504 USD

2.29 Carat Green COLOMBIAN Round Emerald GUBELIN
2.29 Carat Green COLOMBIAN Round Emerald GUBELIN
2.29 Carat Green COLOMBIAN Round Emerald GUBELIN
2.29 Carat Green COLOMBIAN Round Emerald GUBELIN

2.29 Carat Green COLOMBIAN Round Emerald GUBELIN

$20,092 USD

2.29 Carat Light Blue Marquise Diamond VS1 GIA
2.29 Carat Light Blue Marquise Diamond VS1 GIA
2.29 Carat Light Blue Marquise Diamond VS1 GIA

2.29 Carat Light Blue Marquise Diamond VS1 GIA

$377,950 USD

Call for price
2.29 Carat Natural Black Oval Diamond GIA
2.29 Carat Natural Black Oval Diamond GIA
2.29 Carat Natural Black Oval Diamond GIA

2.29 Carat Natural Black Oval Diamond GIA

$4,575 USD

2.29 Carat Red MOZAMBIQUE Round Ruby GIA
2.29 Carat Red MOZAMBIQUE Round Ruby GIA
2.29 Carat Red MOZAMBIQUE Round Ruby GIA
2.29 Carat Red MOZAMBIQUE Round Ruby GIA
2.29 Carat Red MOZAMBIQUE Round Ruby GIA

2.29 Carat Red MOZAMBIQUE Round Ruby GIA

$36,877 USD

2.3 Carat Natural Black Emerald Diamond GIA
2.3 Carat Natural Black Emerald Diamond GIA
2.3 Carat Natural Black Emerald Diamond GIA

2.3 Carat Natural Black Emerald Diamond GIA

$4,595 USD

2.30 Carat Fancy Black Round Brilliant Diamond GIA
2.30 Carat Fancy Black Round Brilliant Diamond GIA
2.30 Carat Fancy Black Round Brilliant Diamond GIA
2.30 Carat Fancy Black Round Brilliant Diamond GIA

2.30 Carat Fancy Black Round Brilliant Diamond GIA

$4,240 USD

2.30 Carat Fancy Intense Yellow Pear Diamonds VS2
2.30 Carat Fancy Intense Yellow Pear Diamonds VS2
2.30 Carat Fancy Intense Yellow Pear Diamonds VS2

2.30 Carat Fancy Intense Yellow Pear Diamonds VS2

$25,860 USD

2.3 Carat Natural Black Round Diamond GIA
2.3 Carat Natural Black Round Diamond GIA
2.3 Carat Natural Black Round Diamond GIA

2.30 Carat Natural Black Round Diamond GIA

$4,545 USD

2.30 Carat Red MOZAMBICAN Round Ruby
2.30 Carat Red MOZAMBICAN Round Ruby
2.30 Carat Red MOZAMBICAN Round Ruby
2.30 Carat Red MOZAMBICAN Round Ruby

2.30 Carat Red MOZAMBICAN Round Ruby

$16,430 USD

2.31 Carat Blue SRI LANKA Oval Sapphire CD
2.31 Carat Blue SRI LANKA Oval Sapphire CD
2.31 Carat Blue SRI LANKA Oval Sapphire CD
2.31 Carat Blue SRI LANKA Oval Sapphire CD

2.31 Carat Blue SRI LANKA Oval Sapphire CD

$9,802 USD

Reserved
2.31 Carat Blue THAI Oval Sapphire
2.31 Carat Blue THAI Oval Sapphire
2.31 Carat Blue THAI Oval Sapphire
2.31 Carat Blue THAI Oval Sapphire

2.31 Carat Blue THAI Oval Sapphire

$2,757 USD

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