This certified natural sapphire weighs 2.85 carats and displays a remarkable color-change effect, shifting from dark greenish blue in daylight to bluish violet in incandescent light (approx. 75% color change). Its cushion mixed cut, measuring 7.77 x 7.30 x 5.50 mm, highlights the gem’s brilliance and enhances its dramatic shift in color.

Certified by Harold Weinstein Ltd., the sapphire is unheated, with no detectable evidence of thermal enhancement. It carries a medium cutting grade and is moderately included, characteristics that add individuality to this rare gemstone.

This striking sapphire is an exceptional choice for collectors, investors, and bespoke jewelry designs, offering both rarity and visual intrigue.

Additional details:

• Weight: 2.85 carats

• Dimensions: 7.77 x 7.30 x 5.50 mm

• Shape: Rectangular cushion cut, mixed faceting

• Color: Color change – dark greenish blue (daylight) to bluish violet (incandescent light)

• Approx. 75% color change

• Clarity: Moderately included

• Cutting Grade: Medium

• Treatment: No detectable evidence of thermal enhancement (unheated)

• Certification: Harold Weinstein Ltd., Appraisal No. 89085DP