Natural 11.71 ct Colombian Emerald & Diamond Ring in Cartier Platinum & 18K Gold Mounting, SGL Report No. 190811E-SB

A substantial 11.71-carat emerald-cut natural, earth mined Colombian emerald, flanked by trapezoid-cut diamonds and set in a signed Cartier mounting crafted in platinum and 18K yellow gold.

The mounting is signed Cartier, numbered 567462, and marked PT950 and 750, indicating platinum and 18K gold. The emerald and diamond side stones are later-set stones and were not originally supplied with this Cartier mounting.

The emerald displays a bluish-green color and is secured by four contrasting yellow-gold prongs. The trapezoid-cut diamonds are set in white metal and transition into the polished platinum shank, creating a strong three-stone presentation.

The center emerald is accompanied by SGL Gemstone Identification and Origin Report No. 190811E-SB, dated August 15, 2019.

Center Emerald

Species: Beryl
Variety: Emerald
Origin type: Natural, earth mined
Weight: 11.71 carats
Cut: Emerald cut
Measurements: 14.60 × 12.93 × 8.27 mm
Color: Bluish green
Geographic origin: Colombia, as stated in SGL Report No. 190811E-SB
Treatment: Evidence of clarity enhancement

Mounting

Maker: Cartier
Signature: Signed Cartier
Reference or serial number: 567462
Metal marks: PT950 and 750
Metals: Platinum and 18K yellow gold
Design: Three-stone mounting
Side stones: Trapezoid-cut diamonds
Stone status: Emerald and diamonds are later-set and not original to the Cartier mounting

Report

Issued by: SGL
Report: Gemstone Identification and Origin Report
Report number: 190811E-SB
Report date: August 15, 2019

The report applies only to the center emerald. It does not authenticate the Cartier mounting or grade the side diamonds.