Products

9578 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.

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2.65 Carat G Bullet Diamond (SI)

1571208

$15,712 USD

Unit price / per

2.65 Carat G Bullet Diamond (SI)

1571208

$15,712 USD

Unit price / per

50501779521835

2.65 carat, Colorless, Bullet shape Diamond. An impressive Colorless Diamond that has superb life.

2.65 Carat Green COLOMBIAN Pear Muzo Emerald CD

2.65 Carat Green COLOMBIAN Pear Muzo Emerald CD

1573500

$15,735 USD

Unit price / per

2.65 Carat Green COLOMBIAN Pear Muzo Emerald CD

1573500

$15,735 USD

Unit price / per

50502322159915

2.65 carat, Vivid Green, pear shape Muzo Emerald, graded by CD, MUZO. An exquisite green gemstone that has superb life.

2.65 Carat Red MOZAMBICAN Round Ruby

2026650

$20,267 USD

Unit price / per

2.65 Carat Red MOZAMBICAN Round Ruby

2026650

$20,267 USD

Unit price / per

50502361121067

A lovely pair of , round shape Ruby gemstones, total weight 2.65cts. The stones have amazing presence and can be purchased as a loose pair or set as a pair of earrings in a Leibish setting style or custom design.

2.66 Carat Blue SRI LANKAN Cushion Sapphire

2.66 Carat Blue SRI LANKAN Cushion Sapphire

1153800

$11,538 USD

Unit price / per

2.66 Carat Blue SRI LANKAN Cushion Sapphire

1153800

$11,538 USD

Unit price / per

50502339297579

2.66 carat, Blue, cushion shape Sapphire. An impressive blue gemstone that has a captivating color.

2.66 Carat Blue SRI LANKAN Cushion Sapphire GRS

2.66 Carat Blue SRI LANKAN Cushion Sapphire GRS

1045000

$10,450 USD

Unit price / per

2.66 Carat Blue SRI LANKAN Cushion Sapphire GRS

1045000

$10,450 USD

Unit price / per

50502016827691

2.66 carat, Royal Blue, Cushion shape Gemstone, graded by GRS. A magnificent Royal Blue Gemstone that has superb life.

2.66 Carat Blue SRI LANKAN Round Sapphire

2.66 Carat Blue SRI LANKAN Round Sapphire

1270840

$12,708 USD

Unit price / per

2.66 Carat Blue SRI LANKAN Round Sapphire

1270840

$12,708 USD

Unit price / per

50502365282603

2.66 carat, Blue, round shape Sapphire. An impressive blue gemstone that's simply dazzling to the eye.

2.66 Carat Blue SRI LANKAN Round Sapphire

800020

$8,000 USD

Unit price / per

2.66 Carat Blue SRI LANKAN Round Sapphire

800020

$8,000 USD

Unit price / per

50502370820395

A remarkable pair of blue, round shape Sapphire gemstones, total weight 2.66cts. The stones have amazing sparkle and can be purchased as a loose pair or set as a pair of earrings in a Leibish setting style or custom design.

2.66 Carat Fancy Brownish Orangy Pink Heart Diamond VS2 GIA

2.66 Carat Fancy Brownish Orangy Pink Heart Diamond VS2 GIA

11980000

$119,800 USD

Unit price / per

2.66 Carat Fancy Brownish Orangy Pink Heart Diamond VS2 GIA

11980000

$119,800 USD

Unit price / per

50848845300011

2.66 carat, Fancy Brownish Orangy Pink, Heart shape Diamond with VS2 clarity, graded by GIA. An alluring Pink Diamond that would look amazing in a piece of jewelry. The stone has Excellent polish and Very Good symmetry.

2.66 Carat Natural Black Round Diamond GIA

531468

$5,315 USD

Unit price / per

2.66 Carat Natural Black Round Diamond GIA

531468

$5,315 USD

Unit price / per

51443853164843

This 2.66 carat natural black round diamond combines GIA-certified authenticity with striking elegance. The brilliant round cut showcases the stone's deep, luxurious black color, making it an exceptional choice for distinctive jewelry designs.

2.66 Carat Natural Black Sq emerald Diamond GIA

2.66 Carat Natural Black Square Emerald Diamond GIA

531468

$5,315 USD

Unit price / per

2.66 Carat Natural Black Square Emerald Diamond GIA

531468

$5,315 USD

Unit price / per

51443852116267

A magnificent 2.66 carat natural black diamond with square emerald cut, GIA certified. This rare gemstone delivers striking beauty with deep black coloring and precise faceting. Perfect for creating a bold, distinctive piece.

2.67 Carat Blue SRI LANKAN Oval Sapphire

2.67 Carat Blue SRI LANKAN Oval Sapphire

1275580

$12,756 USD

Unit price / per

2.67 Carat Blue SRI LANKAN Oval Sapphire

1275580

$12,756 USD

Unit price / per

51136925466923

A stunning 2.67 carat blue sapphire from Sri Lanka, expertly cut into an elegant oval shape. This exceptional gemstone showcases the rich, saturated blue hue that Sri Lankan sapphires are renowned for, with excellent clarity and brilliance.

2.67 Carat Blue SRI LANKAN Oval Sapphires Pair

2.67 Carat Blue SRI LANKAN Oval Sapphires Pair

893770

$8,938 USD

Unit price / per

2.67 Carat Blue SRI LANKAN Oval Sapphires Pair

893770

$8,938 USD

Unit price / per

50927697068331

This pair of 2.67 carat oval sapphires from Sri Lanka offers a captivating blue hue that adds elegance to any jewelry piece. Known for their rich color and clarity, these sapphires provide timeless beauty and durability.

2.67 Carat Green COLOMBIAN Cushion Emerald CD

2.67 Carat Green COLOMBIAN Cushion Emerald CD

1275580

$12,756 USD

Unit price / per

2.67 Carat Green COLOMBIAN Cushion Emerald CD

1275580

$12,756 USD

Unit price / per

50856287502635

2.67 Carat Green COLOMBIAN Emerald Muzo Emerald CD

2.67 Carat Green COLOMBIAN Emerald Muzo Emerald CD

1138075

$11,381 USD

Unit price / per

2.67 Carat Green COLOMBIAN Emerald Muzo Emerald CD

1138075

$11,381 USD

Unit price / per

50502356271403

2.67 carat, Green, emerald shape Muzo Emerald, graded by CD, MUZO. A wonderful green gemstone that's simply dazzling to the eye.

2.67 Carat Natural Black Heart Diamond GIA

2.67 Carat Natural Black Heart Diamond GIA

533466

$5,335 USD

Unit price / per

2.67 Carat Natural Black Heart Diamond GIA

533466

$5,335 USD

Unit price / per

51446729441579

This stunning 2.67 carat natural Black Heart diamond is GIA certified (1232482162). Measurements: 8.20 x 9.41 x 4.94. A beautiful natural diamond.

2.67 Carat Natural Black Oval Diamond GIA

2.67 Carat Natural Black Oval Diamond GIA

533466

$5,335 USD

Unit price / per

2.67 Carat Natural Black Oval Diamond GIA

533466

$5,335 USD

Unit price / per

51443852443947

A captivating 2.67 carat natural black diamond with an oval cut, GIA certified. This exceptional gemstone combines rarity and elegance, perfect for creating bold, distinctive jewelry pieces you'll treasure.

2.68 Carat Blue Trilliant Sapphire

562750

$5,628 USD

Unit price / per

2.68 Carat Blue Trilliant Sapphire

562750

$5,628 USD

Unit price / per

50502115885355

2.68 carat, Trilliant shape Sapphire. A magnificent Gemstone that's simply dazzling to the eye.

2.68 Carat Blue THAI Round Sapphire

578160

$5,782 USD

Unit price / per

2.68 Carat Blue THAI Round Sapphire

578160

$5,782 USD

Unit price / per

50502379045163

A fine pair of , round shape Sapphire gemstones, total weight 2.68cts. The stones have a lovely shape and can be purchased as a loose pair or set as a pair of earrings in a Leibish setting style or custom design.

2.68 Carat Green COLOMBIAN Heart Emerald CD

2.68 Carat Green COLOMBIAN Heart Emerald CD

4247080

$42,471 USD

Unit price / per

2.68 Carat Green COLOMBIAN Heart Emerald CD

4247080

$42,471 USD

Unit price / per

50632080326955

This exquisite 2.68 carat Colombian heart emerald delivers the lush green hue these legendary mines are known for. CD certified for authenticity and quality, it's a radiant choice for engagement rings or fine jewelry. The heart shape adds timeless romance to this precious gemstone.

2.69 Carat Blue BURMESE Heart Sapphire AGL

2.69 Carat Blue BURMESE Heart Sapphire AGL

3641500

$36,415 USD

Unit price / per

2.69 Carat Blue BURMESE Heart Sapphire AGL

3641500

$36,415 USD

Unit price / per

50502336905515

2.69 carat, shape Sapphire, graded by AGL. A superb gemstone that would look amazing in a piece of jewelry.

2.69 Carat Blue THAI Oval Sapphire

281690

$2,817 USD

Unit price / per

2.69 Carat Blue THAI Oval Sapphire

281690

$2,817 USD

Unit price / per

50502378651947

A great pair of , oval shape Sapphire gemstones, total weight 2.69cts. The stones have a lovely luster and can be purchased as a loose pair or set as a pair of earrings in a Leibish setting style or custom design.

2.69 Carat Blue THAI Round Sapphire

580280

$5,803 USD

Unit price / per

2.69 Carat Blue THAI Round Sapphire

580280

$5,803 USD

Unit price / per

50502378946859

A superb pair of , round shape Sapphire gemstones, total weight 2.69cts. The stones have a scintillating fire and can be purchased as a loose pair or set as a pair of earrings in a Leibish setting style or custom design.

2.69 Carat Natural Black Emerald Diamond GIA

2.69 Carat Natural Black Emerald Diamond GIA

537462

$5,375 USD

Unit price / per

2.69 Carat Natural Black Emerald Diamond GIA

537462

$5,375 USD

Unit price / per

51446730228011

This stunning 2.69 carat natural Black Emerald diamond is GIA certified (2517460100). Measurements: 8.65 x 6.37 x 4.6. A beautiful natural diamond.

2.70 Carat Fancy Dark Brown Greenish Yellow Round Brilliant Diamond SI2 GIA

2.70 Carat Fancy Dark Brown Greenish Yellow Round Brilliant Diamond SI2 GIA

1522000

$15,220 USD

Unit price / per

2.70 Carat Fancy Dark Brown Greenish Yellow Round Brilliant Diamond SI2 GIA

1522000

$15,220 USD

Unit price / per

50501902041387

2.70 carat, Fancy Dark Brown Greenish Yellow, Round shape Diamond with SI2 clarity, graded by GIA. A beautiful Yellow Diamond with a sparkly and earth color saturation and excellent characteristics. The stone has Excellent polish and Excellent symmetry.

2.7 Carat Natural Black Oval Diamond GIA

2.70 Carat Natural Black Oval Diamond GIA

533520

$5,335 USD

Unit price / per

2.70 Carat Natural Black Oval Diamond GIA

533520

$5,335 USD

Unit price / per

51446730326315

This stunning 2.70 carat natural Black Oval diamond is GIA certified (2235519371). Measurements: 10.02 x 7.42 x 4.06. A beautiful natural diamond.

2.70 Carat Red MOZAMBICAN Round Ruby GRS

2.70 Carat Red MOZAMBICAN Round Ruby GRS

1954000

$19,540 USD

Unit price / per

2.70 Carat Red MOZAMBICAN Round Ruby GRS

1954000

$19,540 USD

Unit price / per

50502342312235

2.70 carat, Vivid Red, round shape Ruby, graded by GRS. A beautiful red gemstone that has a wonderful sparkle.

2.71 Carat Green COLOMBIAN Emerald Emerald GRS

2.71 Carat Green COLOMBIAN Emerald Emerald GRS

1660390

$16,604 USD

Unit price / per

2.71 Carat Green COLOMBIAN Emerald Emerald GRS

1660390

$16,604 USD

Unit price / per

51074735931691

A stunning 2.71-carat Colombian emerald displaying the coveted deep green hue prized by connoisseurs worldwide. GRS certified for authenticity and quality, this investment-grade stone captures the essence of emerald excellence with its rich color and natural character.

2.71 Carat Natural Black Emerald Diamond GIA

2.71 Carat Natural Black Emerald Diamond GIA

541458

$5,415 USD

Unit price / per

2.71 Carat Natural Black Emerald Diamond GIA

541458

$5,415 USD

Unit price / per

51443852378411

This exceptional 2.71 carat natural black emerald diamond features GIA certification, guaranteeing authenticity and quality. The emerald cut showcases the stone's sophisticated depth and striking presence, making it ideal for a bold engagement ring or statement jewelry piece.

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