Unmounted Colour-Change Sapphire | 174.78克拉天然「斯里蘭卡」未經加熱變色藍寶石

No reserve

Live auction begins on:

September 17, 06:00 AM GMT

Estimate

1,600,000 - 2,400,000 HKD

Bid

1 HKD

Lot Details

Description

The sugarloaf colour-change sugarloaf sapphire weighing approximately 174.78 carats.

Approximate Measurements: 28.84 x 27.41 x 19.90mm

GRS report no. GRS2025-072069, 15 August 2025: 174.78 carats, Ceylon, no indication of thermal treatment

Additional gemmological reports in the condition report

Unmounted Colour-Change Sapphire | 174.78克拉 天然「斯里蘭卡」未經加熱 變色藍寶石