Title: Rare Parti-Colour 1.20ct Natural Unheated Bluish-Green Sapphire - Oval - Certified (ICA GemLab)
Description: Item Description

Overview
Up for auction is a highly unique, completely Natural Unheated Bluish-Green Sapphire weighing 1.20 carats. This exquisite gemstone showcases a striking natural colour - zoning phenomenon, featuring  a distinct vivid blue transparent greenish body. These "parti-colour"
Characteristics are currently some of the most sought - after traits in modern jewellery design.

Faceted into an elegant Oval shape with a brilliant/step cut profile, the stone measures 7.48 x 5.04 x3.16 mm, giving it an impressive elongated "face-up" appearance that will look spectacular as a custom ring centrepiece or pendant.

Gemstone Specifications 

Species: Natural Corundum
Variety: Natural Green Sapphire (Bluish-Green)
Weight: 1.20ct
Dimensions: 7.48 x 5.04 x3.16 mm 
Shape: Oval 
Cut Style: Brilliant / Step Cut
Transparancey: Transparent
Phenomena: Colour-Zoning (Didstinct Blue Band)

Certifiaction & Provenance 
• Laboratory: ICA GemLab (International Colouered Association)
• Report Type: Coloured Gemstone Report
• Report Date: 01/09/2026
• Report Number: TH26G129309
• Report verification PIN:  7865
• Treatments / Comments: No indications of heating (NTE) - Completly untreated and natural, commanding a significant premium over standard heated stones.

Why Bid On This Lot?
• 100% Untreated: Pure, unheated sapphires of this clarity and distinct colour-zoning are exceptionally rare market finds.
• Freshly Certified: Features a brand new fully verifiable laboratory certificate issued in September 2026.
• Secure Buying: Complete peace of mind with a top-tier, internationally recognised independent gemmological report.

The report will be sent out with your winning purchase. Good Luck!!
Condition: New
Delivery/collection options: this lot is courier delivery only, collection not available
Location: W12
Category: Jewellery