A GORGEOUS 1.0 CT OLD MINE CUT DIAMOND, SI 1 CLARITY, K COLOR, WAS CUT IN THE 1800'S AND IS THE CENTERPIECE OF THIS BEAUTIFUL ENGAGEMENT RING. THE DIAMOND IS SET IN A NEWER 18KT WHITE GOLD MOUNTING CRAFTED WITH FABULOUS OPENWORK FILAGREE. THERE ARE ADDITIONAL PAVE-SET DIAMONDS IN THE MOUNTING AND LOVELY ENGRAVING ON THE SHANK.