An early 20th century diamond cluster ring

seven old brilliant cut diamonds, estimated approximate total diamond weight 0.25ct, tapered shoulders, 'D' shaped shank, size K, unhallmarked, stamped '18CT & PLAT', weight 2g

Condition Report
Overall condition: Good
Minor chipping to diamonds, consistent with age, visible with a 10x loupe
Wear to settings, consistent with age
Tarnishing to settings and one shoulder
Heavy scratches/wear to mount