Prodotti

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
10.02 Carat Fancy Yellow Cushion Diamond VS2 GIA
10.02 Carat Fancy Yellow Cushion Diamond VS2 GIA
10.02 Carat Fancy Yellow Cushion Diamond VS2 GIA

10.02 Carat Fancy Yellow Cushion Diamond VS2 GIA

$210,019 USD

10.02 Carat Red MOZAMBIQUE Oval Ruby GRS and Gubelin
10.02 Carat Red MOZAMBIQUE Oval Ruby GRS and Gubelin
10.02 Carat Red MOZAMBIQUE Oval Ruby GRS and Gubelin
10.02 Carat Red MOZAMBIQUE Oval Ruby GRS and Gubelin

10.02 Carat Red MOZAMBIQUE Oval Ruby GRS and Gubelin

$516,130 USD

10.02 Carat U-V Cushion Diamond IF GIA
10.02 Carat U-V Cushion Diamond IF GIA
10.02 Carat U-V Cushion Diamond IF GIA

10.02 Carat U-V Cushion Diamond IF GIA

$120,340 USD

10.03 Carat Blue SRI LANKAN Cushion Sapphire GIA
10.03 Carat Blue SRI LANKAN Cushion Sapphire GIA
10.03 Carat Blue SRI LANKAN Cushion Sapphire GIA
10.03 Carat Blue SRI LANKAN Cushion Sapphire GIA

10.03 Carat Blue SRI LANKAN Cushion Sapphire GIA

$161,182 USD

10.03 Carat Blue SRI LANKAN Oval Sapphire CD
10.03 Carat Blue SRI LANKAN Oval Sapphire CD
10.03 Carat Blue SRI LANKAN Oval Sapphire CD
10.03 Carat Blue SRI LANKAN Oval Sapphire CD

10.03 Carat Blue SRI LANKAN Oval Sapphire CD

$78,334 USD

10.03 Carat I Asscher Diamonds VS2
10.03 Carat I Asscher Diamonds VS2
10.03 Carat I Asscher Diamonds VS2

10.03 Carat I Asscher Diamonds VS2

$200,700 USD

10.03 Carat Light Yellow Radiant Diamonds VS1
10.03 Carat Light Yellow Radiant Diamonds VS1
10.03 Carat Light Yellow Radiant Diamonds VS1

10.03 Carat Light Yellow Radiant Diamonds VS1

$65,295 USD

Venduto

10.03 Carat Orange SRI LANKAN Emerald Sapphire CD
10.03 Carat Orange SRI LANKAN Emerald Sapphire CD
10.03 Carat Orange SRI LANKAN Emerald Sapphire CD
10.03 Carat Orange SRI LANKAN Emerald Sapphire CD

10.03 Carat Orange SRI LANKAN Emerald Sapphire CD

$43,229 USD

10.03 Carat Red MOZAMBICAN Oval Ruby CD
10.03 Carat Red MOZAMBICAN Oval Ruby CD
10.03 Carat Red MOZAMBICAN Oval Ruby CD
10.03 Carat Red MOZAMBICAN Oval Ruby CD

10.03 Carat Red MOZAMBICAN Oval Ruby CD

$297,991 USD

10.03 Carat Red MOZAMBIQUE Cushion Ruby Pigeon's Blood  GRS and Gubelin
10.03 Carat Red MOZAMBIQUE Cushion Ruby Pigeon's Blood  GRS and Gubelin
10.03 Carat Red MOZAMBIQUE Cushion Ruby Pigeon's Blood  GRS and Gubelin
10.03 Carat Red MOZAMBIQUE Cushion Ruby Pigeon's Blood  GRS and Gubelin
10.03 Carat Red MOZAMBIQUE Cushion Ruby Pigeon's Blood  GRS and Gubelin

10.03 Carat Red MOZAMBIQUE Cushion Ruby Pigeon's Blood GRS and Gubelin

$1,525,663 USD

10.04 Carat Fancy Light Yellow Pear Diamonds VS2
10.04 Carat Fancy Light Yellow Pear Diamonds VS2
10.04 Carat Fancy Light Yellow Pear Diamonds VS2

10.04 Carat Fancy Light Yellow Pear Diamonds VS2

$141,664 USD

10.04 Carat Fancy Yellow Radiant Diamond (I2) GIA
10.04 Carat Fancy Yellow Radiant Diamond (I2) GIA
10.04 Carat Fancy Yellow Radiant Diamond (I2) GIA

10.04 Carat Fancy Yellow Radiant Diamond (I2) GIA

$123,592 USD

10.05 Carat Fancy Deep Brown Yellow Lozenge Diamond VS1 GIA
10.05 Carat Fancy Deep Brown Yellow Lozenge Diamond VS1 GIA
10.05 Carat Fancy Deep Brown Yellow Lozenge Diamond VS1 GIA

10.05 Carat Fancy Deep Brown Yellow Lozenge Diamond VS1 GIA

$141,805 USD

10.05 Carat Natural Black Pear Diamond GIA

$0 USD

10.05 Carat Red MOZAMBIQUE Cushion Ruby GRS
10.05 Carat Red MOZAMBIQUE Cushion Ruby GRS
10.05 Carat Red MOZAMBIQUE Cushion Ruby GRS
10.05 Carat Red MOZAMBIQUE Cushion Ruby GRS

10.05 Carat Red MOZAMBIQUE Cushion Ruby GRS

$460,100 USD

10.05 Carat Red MOZAMBIQUE Oval Ruby GRS Platinum Gemstone Award
10.05 Carat Red MOZAMBIQUE Oval Ruby GRS Platinum Gemstone Award
10.05 Carat Red MOZAMBIQUE Oval Ruby GRS Platinum Gemstone Award
10.05 Carat Red MOZAMBIQUE Oval Ruby GRS Platinum Gemstone Award

10.05 Carat Red MOZAMBIQUE Oval Ruby GRS Platinum Gemstone Award

$484,100 USD

10.07 Carat Fancy Light Yellowish Brown Radiant Diamond (I1) GIA
10.07 Carat Fancy Light Yellowish Brown Radiant Diamond (I1) GIA

10.07 Carat Fancy Light Yellowish Brown Radiant Diamond (I1) GIA

$136,045 USD

10.08 Carat  TANZANIAN Pear Tanzanite GWLAB
10.08 Carat  TANZANIAN Pear Tanzanite GWLAB
10.08 Carat  TANZANIAN Pear Tanzanite GWLAB
10.08 Carat  TANZANIAN Pear Tanzanite GWLAB

10.08 Carat TANZANIAN Pear Tanzanite GWLAB

$4,938 USD

10.08 Carat Fancy Brownish Greenish Yellow Oval Diamond (I1) GIA
10.08 Carat Fancy Brownish Greenish Yellow Oval Diamond (I1) GIA
10.08 Carat Fancy Brownish Greenish Yellow Oval Diamond (I1) GIA

10.08 Carat Fancy Brownish Greenish Yellow Oval Diamond (I1) GIA

$67,636 USD

10.08 Carat Fancy Light Yellow Cushion Diamonds VS1
10.08 Carat Fancy Light Yellow Cushion Diamonds VS1
10.08 Carat Fancy Light Yellow Cushion Diamonds VS1
10.08 Carat Fancy Light Yellow Cushion Diamonds VS1

10.08 Carat Fancy Light Yellow Cushion Diamonds VS1

$65,620 USD

Venduto

10.08 Carat Natural Black Pear Diamond GIA
10.08 Carat Natural Black Pear Diamond GIA
10.08 Carat Natural Black Pear Diamond GIA

10.08 Carat Natural Black Pear Diamond GIA

$19,918 USD

10.09 Carat W-X Radiant Diamonds VVS2
10.09 Carat W-X Radiant Diamonds VVS2
10.09 Carat W-X Radiant Diamonds VVS2

10.09 Carat W-X Radiant Diamonds VVS2

$72,748 USD

Venduto

10.10 Carat Green ZAMBIAN Pear Emerald GRS
10.10 Carat Green ZAMBIAN Pear Emerald GRS
10.10 Carat Green ZAMBIAN Pear Emerald GRS
10.10 Carat Green ZAMBIAN Pear Emerald GRS

10.10 Carat Green ZAMBIAN Pear Emerald GRS

$153,721 USD

10.11 Carat Blue MADAGASCAR Oval Sapphire AGL
10.11 Carat Blue MADAGASCAR Oval Sapphire AGL
10.11 Carat Blue MADAGASCAR Oval Sapphire AGL
10.11 Carat Blue MADAGASCAR Oval Sapphire AGL

10.11 Carat Blue MADAGASCAR Oval Sapphire AGL

$256,389 USD

10.11 Carat Green COLOMBIAN Oval Emerald CD
10.11 Carat Green COLOMBIAN Oval Emerald CD
10.11 Carat Green COLOMBIAN Oval Emerald CD
10.11 Carat Green COLOMBIAN Oval Emerald CD

10.11 Carat Green COLOMBIAN Oval Emerald CD

$44,584 USD

10.12 Carat Fancy Light Yellow Cushion Diamond VS1 GIA
10.12 Carat Fancy Light Yellow Cushion Diamond VS1 GIA
10.12 Carat Fancy Light Yellow Cushion Diamond VS1 GIA

Venduto

10.12 Carat Green COLOMBIAN Cushion Emerald SSEF
10.12 Carat Green COLOMBIAN Cushion Emerald SSEF
10.12 Carat Green COLOMBIAN Cushion Emerald SSEF
10.12 Carat Green COLOMBIAN Cushion Emerald SSEF

10.12 Carat Green COLOMBIAN Cushion Emerald SSEF

$1,337,458 USD

10.13 Carat Light Yellow Heart Diamond SI2 GIA
10.13 Carat Light Yellow Heart Diamond SI2 GIA
10.13 Carat Light Yellow Heart Diamond SI2 GIA
10.13 Carat Light Yellow Heart Diamond SI2 GIA

10.13 Carat Light Yellow Heart Diamond SI2 GIA

$94,309 USD