Edwardian 4.20 Old Mine Cushion Cut Diamond Engagement Ring, England

Antique ring with a 4.20 carat old mine cushion diamond with GIA report stating that it is J SI1. With 12 old mine cushion-cuts circa 1.40 carats. British hallmarks showing it is 18k gold and assayed at Sheffield in 1910. Maker's mark L&M. Center: 13.9x14.5mm, shank: 2.9-4mm. Circa 1910.

A classic cluster ring from the Edwardian era, set with an unusually juicy old-mine cushion-cut. Wow. 

Diamond and gold mining has caused devastation in areas such as Africa, wreaking havoc on delicate ecosystems and communities. Choosing to go vintage, you are eliminating the need for more mining and lessening the demand for new diamonds.