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
1.70 Carat Blue SRI LANKAN Sq. Emerald Sapphire
1.70 Carat Blue SRI LANKAN Sq. Emerald Sapphire
1.70 Carat Blue SRI LANKAN Sq. Emerald Sapphire
1.70 Carat Blue SRI LANKAN Sq. Emerald Sapphire

1.70 Carat Blue SRI LANKAN Sq. Emerald Sapphire

$6,424 USD

1.70 Carat Fancy Brown Yellow Pear Diamond VVS2 GIA
1.70 Carat Fancy Brown Yellow Pear Diamond VVS2 GIA
1.70 Carat Fancy Brown Yellow Pear Diamond VVS2 GIA
1.70 Carat Fancy Brown Yellow Pear Diamond VVS2 GIA

1.70 Carat Fancy Brown Yellow Pear Diamond VVS2 GIA

$5,200 USD

1.70 Carat Fancy Deep Yellow Cushion Diamond VS2 GIA
1.70 Carat Fancy Deep Yellow Cushion Diamond VS2 GIA
1.70 Carat Fancy Deep Yellow Cushion Diamond VS2 GIA

1.70 Carat Fancy Deep Yellow Cushion Diamond VS2 GIA

$28,660 USD

1.70 Carat Fancy Intense Yellow Cushion Diamond VVS1 GIA
1.70 Carat Fancy Intense Yellow Cushion Diamond VVS1 GIA
1.70 Carat Fancy Intense Yellow Cushion Diamond VVS1 GIA

1.70 Carat Fancy Intense Yellow Cushion Diamond VVS1 GIA

$17,950 USD

1.70 Carat Fancy Light Pink Brown Pear Diamond VS2 GIA
1.70 Carat Fancy Light Pink Brown Pear Diamond VS2 GIA
1.70 Carat Fancy Light Pink Brown Pear Diamond VS2 GIA

1.70 Carat Fancy Light Pink Brown Pear Diamond VS2 GIA

$114,340 USD

1.70 Carat Fancy Light Yellow HEART Diamond SI1 GIA
1.70 Carat Fancy Light Yellow HEART Diamond SI1 GIA
1.70 Carat Fancy Light Yellow HEART Diamond SI1 GIA

1.70 Carat Fancy Light Yellow HEART Diamond SI1 GIA

$8,022 USD

1.70 Carat Fancy Light Yellow Oval Diamond VS1 GIA
1.70 Carat Fancy Light Yellow Oval Diamond VS1 GIA
1.70 Carat Fancy Light Yellow Oval Diamond VS1 GIA

1.70 Carat Fancy Light Yellow Oval Diamond VS1 GIA

$9,008 USD

1.70 Carat Fancy Pink Brown Pear Diamond VS2 GIA
1.70 Carat Fancy Pink Brown Pear Diamond VS2 GIA
1.70 Carat Fancy Pink Brown Pear Diamond VS2 GIA

1.70 Carat Fancy Pink Brown Pear Diamond VS2 GIA

$43,110 USD

1.70 Carat Fancy Vivid Yellow HEART Diamond VS1 GIA
1.70 Carat Fancy Vivid Yellow HEART Diamond VS1 GIA
1.70 Carat Fancy Vivid Yellow HEART Diamond VS1 GIA

1.70 Carat Fancy Vivid Yellow HEART Diamond VS1 GIA

$48,941 USD

1.70 Carat Fancy Yellow Heart Diamonds VS2
1.70 Carat Fancy Yellow Heart Diamonds VS2
1.70 Carat Fancy Yellow Heart Diamonds VS2
1.70 Carat Fancy Yellow Heart Diamonds VS2

1.70 Carat Fancy Yellow Heart Diamonds VS2

$8,719 USD

1.70 Carat Light Brown Round Brilliant Diamond SI2 GIA
1.70 Carat Light Brown Round Brilliant Diamond SI2 GIA
1.70 Carat Light Brown Round Brilliant Diamond SI2 GIA

1.70 Carat Light Brown Round Brilliant Diamond SI2 GIA

$5,727 USD

1.7 Carat Natural Black Round Diamond GIA
1.7 Carat Natural Black Round Diamond GIA
1.7 Carat Natural Black Round Diamond GIA

1.70 Carat Natural Black Round Diamond GIA

$3,397 USD

1.7 Carat Natural Black Round Diamond GIA
1.7 Carat Natural Black Round Diamond GIA
1.7 Carat Natural Black Round Diamond GIA

1.70 Carat Natural Black Round Diamond GIA

$3,397 USD

1.70 Carat Pink MADAGASCAR Round Sapphire
1.70 Carat Pink MADAGASCAR Round Sapphire
1.70 Carat Pink MADAGASCAR Round Sapphire
1.70 Carat Pink MADAGASCAR Round Sapphire

1.70 Carat Pink MADAGASCAR Round Sapphire

$2,854 USD

1.70 Carat Pink MADAGASCAR Triangle Sapphire
1.70 Carat Pink MADAGASCAR Triangle Sapphire
1.70 Carat Pink MADAGASCAR Triangle Sapphire
1.70 Carat Pink MADAGASCAR Triangle Sapphire

1.70 Carat Pink MADAGASCAR Triangle Sapphire

$1,545 USD

1.70 Carat Red MOZAMBIQUE Pear Ruby CD
1.70 Carat Red MOZAMBIQUE Pear Ruby CD
1.70 Carat Red MOZAMBIQUE Pear Ruby CD
1.70 Carat Red MOZAMBIQUE Pear Ruby CD

1.70 Carat Red MOZAMBIQUE Pear Ruby CD

$9,450 USD

1.71 Carat Blue  Oval Sapphire
1.71 Carat Blue  Oval Sapphire
1.71 Carat Blue  Oval Sapphire
1.71 Carat Blue  Oval Sapphire

1.71 Carat Blue Oval Sapphire

$3,435 USD

1.71 Carat Blue SRI LANKAN Cushion Sapphire
1.71 Carat Blue SRI LANKAN Cushion Sapphire
1.71 Carat Blue SRI LANKAN Cushion Sapphire
1.71 Carat Blue SRI LANKAN Cushion Sapphire

1.71 Carat Blue SRI LANKAN Cushion Sapphire

$4,717 USD

1.71 Carat Blue SRI LANKAN Cushion Sapphire
1.71 Carat Blue SRI LANKAN Cushion Sapphire
1.71 Carat Blue SRI LANKAN Cushion Sapphire
1.71 Carat Blue SRI LANKAN Cushion Sapphire

1.71 Carat Blue SRI LANKAN Cushion Sapphire

$2,990 USD

1.71 Carat Blue SRI LANKAN Oval Sapphire
1.71 Carat Blue SRI LANKAN Oval Sapphire
1.71 Carat Blue SRI LANKAN Oval Sapphire
1.71 Carat Blue SRI LANKAN Oval Sapphire

1.71 Carat Blue SRI LANKAN Oval Sapphire

$4,443 USD

1.71 Carat Blue SRI LANKAN Oval Sapphire
1.71 Carat Blue SRI LANKAN Oval Sapphire
1.71 Carat Blue SRI LANKAN Oval Sapphire
1.71 Carat Blue SRI LANKAN Oval Sapphire

1.71 Carat Blue SRI LANKAN Oval Sapphire

$4,443 USD

1.71 Carat Blue SRI LANKAN Oval Sapphire
1.71 Carat Blue SRI LANKAN Oval Sapphire
1.71 Carat Blue SRI LANKAN Oval Sapphire
1.71 Carat Blue SRI LANKAN Oval Sapphire

1.71 Carat Blue SRI LANKAN Oval Sapphire

$4,443 USD

1.71 Carat Blue SRI LANKAN Oval Sapphire
1.71 Carat Blue SRI LANKAN Oval Sapphire
1.71 Carat Blue SRI LANKAN Oval Sapphire
1.71 Carat Blue SRI LANKAN Oval Sapphire

1.71 Carat Blue SRI LANKAN Oval Sapphire

$7,043 USD

1.71 Carat Fancy Light Yellow Cushion Diamond VS2 GIA
1.71 Carat Fancy Light Yellow Cushion Diamond VS2 GIA
1.71 Carat Fancy Light Yellow Cushion Diamond VS2 GIA

1.71 Carat Fancy Light Yellow Cushion Diamond VS2 GIA

$9,334 USD