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One in 10,000??

The issue of Fancy Color Diamonds’ rarity has never really preoccupied the geological community. This may be because the industry relies on rough numbers, so it may not be necessary to chase down these elusive figures. Hypothetically speaking, to come up with a rarity estimate of fancy color rough diamonds, a ###truncate### centralized […]

Auction Results: March 8th, 2023, Sotheby’s NY

Following our Pre-Auction Analysis: Sotheby’s – “Important Jewels” please find the results below. ###truncate### If you missed the pre-auction analysis, click here.

Pre-Auction Analysis: March 8th, 2023, Sotheby’s NY

Pre-Auction Analysis: March 8th, 2023, Sotheby’s New York, Important Jewels Our Sotheby’s New York Pre-Auction Analysis focuses on elements that are not always visible to the untrained eye. We discuss characteristics such as Inner-Grade, Color Dispersion, and Undertone – collectively termed IDU. Professionals use the IDU method intuitively when analyzing a Fancy Color Diamond. The […]

Pre-Auction Analysis: February 3, 2023, Sotheby’s HK

Pre-Auction Analysis: February 3, 2023, Sotheby’s Hong Kong, Important Jewels Our Sotheby’s Important Jewels Pre-Auction Analysis focuses on elements that are not always visible to the untrained eye. We discuss characteristics such as Inner-Grade, Color Dispersion, and Undertone – collectively termed IDU. Professionals use the IDU method intuitively when analyzing a Fancy Color Diamond. […]

Auction Results: December 7th, 2022, Sotheby’s NY

Following our Pre-Auction Analysis: Sotheby’s – “Magnificent Jewels” please find the results below. ###truncate### If you missed the pre-auction analysis, click here.

Auction Results: December 6th, 2022, Christie’s NY

Following our Pre-Auction Analysis: Christie’s – “Magnificent Jewels” please find the results below. ###truncate### If you missed the pre-auction analysis, click here.

Pre-Auction Analysis: December 7th, 2022, Sotheby’s NY

Pre-Auction Analysis: December 7th, 2022, Sotheby’s New York, Magnificent Jewels Our Sotheby’s New York Pre-Auction Analysis focuses on elements that are not always visible to the untrained eye. We discuss characteristics such as Inner-Grade, Color Dispersion, and Undertone – collectively termed IDU. Professionals use the IDU method intuitively when analyzing a Fancy Color Diamond. The […]

Pre-Auction Analysis: December 6th, 2022, Christie’s NY

Pre-Auction Analysis: December 6th, 2022, Christie’s New York, Magnificent Jewels Our Christie’s New York Pre-Auction Analysis focuses on elements that are not always visible to the untrained eye. We discuss characteristics such as Inner-Grade, Color Dispersion, and Undertone – collectively termed IDU. Professionals use the IDU method intuitively when analyzing a Fancy Color Diamond. The […]

Auction Results: November 28th, 2022, Christie’s HK

Following our Pre-Auction Analysis: Christie’s – “Magnificent Jewels” please find the results below. ###truncate### If you missed the pre-auction analysis, click here.

Pre-Auction Analysis: November 28th, 2022, Christie’s HK

Our Christie’s Hong Kong Pre-Auction Analysis focuses on elements that are not always visible to the untrained eye. We discuss characteristics such as Inner-Grade, Color Dispersion, and Undertone – collectively termed IDU. Professionals use the IDU method intuitively when analyzing a Fancy Color Diamond. The acronym we use makes these elements easier to remember. Members […]

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