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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
2.20 Carat Light Yellow Cushion Diamond VS1 GIA
2.20 Carat Light Yellow Cushion Diamond VS1 GIA
2.20 Carat Light Yellow Cushion Diamond VS1 GIA

2.20 Carat Light Yellow Cushion Diamond VS1 GIA

$7,140 USD

2.72 Carat Light Yellow Radiant Diamond VVS2 GIA
2.72 Carat Light Yellow Radiant Diamond VVS2 GIA
2.72 Carat Light Yellow Radiant Diamond VVS2 GIA

2.72 Carat Light Yellow Radiant Diamond VVS2 GIA

$13,700 USD

0.75 Carat Very Light Pink Cushion Diamond VS2 GIA
0.75 Carat Very Light Pink Cushion Diamond VS2 GIA
0.75 Carat Very Light Pink Cushion Diamond VS2 GIA

0.75 Carat Very Light Pink Cushion Diamond VS2 GIA

$7,225 USD

5.01 Carat Fancy Yellow Cushion Diamond SI1 GIA
5.01 Carat Fancy Yellow Cushion Diamond SI1 GIA
5.01 Carat Fancy Yellow Cushion Diamond SI1 GIA

5.01 Carat Fancy Yellow Cushion Diamond SI1 GIA

$42,685 USD

5.01 Carat Y-Z Cushion Diamond SI1 GIA
5.01 Carat Y-Z Cushion Diamond SI1 GIA
5.01 Carat Y-Z Cushion Diamond SI1 GIA
5.01 Carat Y-Z Cushion Diamond SI1 GIA

5.01 Carat Y-Z Cushion Diamond SI1 GIA

$16,884 USD

0.80 Carat Very Light Pink Heart Diamond VS2 GIA
0.80 Carat Very Light Pink Heart Diamond VS2 GIA
0.80 Carat Very Light Pink Heart Diamond VS2 GIA
0.80 Carat Very Light Pink Heart Diamond VS2 GIA

0.80 Carat Very Light Pink Heart Diamond VS2 GIA

$5,620 USD

1.30 Carat Faint Pinkish Brown HEART Diamond VVS2 GIA
1.30 Carat Faint Pinkish Brown HEART Diamond VVS2 GIA
1.30 Carat Faint Pinkish Brown HEART Diamond VVS2 GIA

1.30 Carat Faint Pinkish Brown HEART Diamond VVS2 GIA

$12,450 USD

0.85 Carat Very Light Pink Radiant Diamond VS2 GIA
0.85 Carat Very Light Pink Radiant Diamond VS2 GIA
0.85 Carat Very Light Pink Radiant Diamond VS2 GIA

0.85 Carat Very Light Pink Radiant Diamond VS2 GIA

$9,450 USD

2.51 Carat Fancy Yellow Cushion Diamond SI1 GIA
2.51 Carat Fancy Yellow Cushion Diamond SI1 GIA
2.51 Carat Fancy Yellow Cushion Diamond SI1 GIA

2.51 Carat Fancy Yellow Cushion Diamond SI1 GIA

$12,650 USD

2.13 Carat Fancy Yellow Cushion Diamond VS2 GIA
2.13 Carat Fancy Yellow Cushion Diamond VS2 GIA
2.13 Carat Fancy Yellow Cushion Diamond VS2 GIA

2.13 Carat Fancy Yellow Cushion Diamond VS2 GIA

$11,176 USD

0.50 Carat Fancy Red Oval Diamond SI2 GIA & ARGYLE
0.50 Carat Fancy Red Oval Diamond SI2 GIA & ARGYLE
0.50 Carat Fancy Red Oval Diamond SI2 GIA & ARGYLE
0.50 Carat Fancy Red Oval Diamond SI2 GIA & ARGYLE

0.50 Carat Fancy Red Oval Diamond SI2 GIA & ARGYLE

$550,100 USD

0.84 Carat Fancy Pink Purple Cushion Diamond VS1 GIA
0.84 Carat Fancy Pink Purple Cushion Diamond VS1 GIA
0.84 Carat Fancy Pink Purple Cushion Diamond VS1 GIA

0.84 Carat Fancy Pink Purple Cushion Diamond VS1 GIA

$71,500 USD

0.61 Carat Fancy Purplish Pink Cushion Diamond SI2 GIA
0.61 Carat Fancy Purplish Pink Cushion Diamond SI2 GIA
0.61 Carat Fancy Purplish Pink Cushion Diamond SI2 GIA

0.61 Carat Fancy Purplish Pink Cushion Diamond SI2 GIA

$12,300 USD

0.37 Carat Fancy Intense Purple Cushion Diamond SI2 GIA
0.37 Carat Fancy Intense Purple Cushion Diamond SI2 GIA
0.37 Carat Fancy Intense Purple Cushion Diamond SI2 GIA

0.37 Carat Fancy Intense Purple Cushion Diamond SI2 GIA

$222,100 USD

1.05 Carat Fancy Vivid Pink Radiant Argyle Diamond SI2 GIA
1.05 Carat Fancy Vivid Pink Radiant Argyle Diamond SI2 GIA
1.05 Carat Fancy Vivid Pink Radiant Argyle Diamond SI2 GIA
1.05 Carat Fancy Vivid Pink Radiant Argyle Diamond SI2 GIA
1.05 Carat Fancy Vivid Pink Radiant Argyle Diamond SI2 GIA

1.05 Carat Fancy Vivid Pink Radiant Argyle Diamond SI2 GIA

$945,100 USD

16.82 Carat Fancy Black Round Brilliant Diamond  GIA
16.82 Carat Fancy Black Round Brilliant Diamond  GIA
16.82 Carat Fancy Black Round Brilliant Diamond  GIA

16.82 Carat Fancy Black Round Brilliant Diamond GIA

$34,100 USD

1.32 Carat Fancy Purplish Red Radiant Argyle Diamond (I1) GIA
1.32 Carat Fancy Purplish Red Radiant Argyle Diamond (I1) GIA
1.32 Carat Fancy Purplish Red Radiant Argyle Diamond (I1) GIA
1.32 Carat Fancy Purplish Red Radiant Argyle Diamond (I1) GIA

1.32 Carat Fancy Purplish Red Radiant Argyle Diamond (I1) GIA

$1,980,100 USD

0.17 Carat Fancy Pink Princess Argyle Diamond SI2 GIA
0.17 Carat Fancy Pink Princess Argyle Diamond SI2 GIA
0.17 Carat Fancy Pink Princess Argyle Diamond SI2 GIA
0.17 Carat Fancy Pink Princess Argyle Diamond SI2 GIA
0.17 Carat Fancy Pink Princess Argyle Diamond SI2 GIA

0.17 Carat Fancy Pink Princess Argyle Diamond SI2 GIA

$12,255 USD

0.54 Carat Fancy Intense Purplish Pink Oval Diamond VS1 GIA
0.54 Carat Fancy Intense Purplish Pink Oval Diamond VS1 GIA
0.54 Carat Fancy Intense Purplish Pink Oval Diamond VS1 GIA
0.54 Carat Fancy Intense Purplish Pink Oval Diamond VS1 GIA
0.54 Carat Fancy Intense Purplish Pink Oval Diamond VS1 GIA

0.54 Carat Fancy Intense Purplish Pink Oval Diamond VS1 GIA

$170,200 USD

0.19 Carat Chameleon Radiant Diamond (SI1) GIA
0.19 Carat Chameleon Radiant Diamond (SI1) GIA
0.19 Carat Chameleon Radiant Diamond (SI1) GIA

0.19 Carat Chameleon Radiant Diamond (SI1) GIA

$4,660 USD

1.31 Carat Fancy Vivid Yellow Cushion Diamond IF GIA
1.31 Carat Fancy Vivid Yellow Cushion Diamond IF GIA
1.31 Carat Fancy Vivid Yellow Cushion Diamond IF GIA

1.31 Carat Fancy Vivid Yellow Cushion Diamond IF GIA

$28,265 USD

0.46 Carat Fancy Deep Brown Pink Pear Diamond SI1 GIA
0.46 Carat Fancy Deep Brown Pink Pear Diamond SI1 GIA
0.46 Carat Fancy Deep Brown Pink Pear Diamond SI1 GIA
0.46 Carat Fancy Deep Brown Pink Pear Diamond SI1 GIA

0.46 Carat Fancy Deep Brown Pink Pear Diamond SI1 GIA

$17,580 USD

0.60 Carat Faint Pink Radiant Diamond VVS1 GIA
0.60 Carat Faint Pink Radiant Diamond VVS1 GIA
0.60 Carat Faint Pink Radiant Diamond VVS1 GIA
0.60 Carat Faint Pink Radiant Diamond VVS1 GIA

0.60 Carat Faint Pink Radiant Diamond VVS1 GIA

$4,600 USD

1.02 Carat Fancy Brown Orange Cushion Diamond SI1 GIA
1.02 Carat Fancy Brown Orange Cushion Diamond SI1 GIA
1.02 Carat Fancy Brown Orange Cushion Diamond SI1 GIA
1.02 Carat Fancy Brown Orange Cushion Diamond SI1 GIA

1.02 Carat Fancy Brown Orange Cushion Diamond SI1 GIA

$5,200 USD