c.1800s Victorian Old Euro &Mine Cut Diamonds 18k Yellow Gold Wedding Band Ring

Diamonds: total diamond weight is approximately 0.43ct, Old European and Old Mine ; one diamond approximately 0.15ct, two diamonds approximately 0.12ct each, two diamonds approximately 0.02ct; estimated clarity VS2-SI2/color I-J
Gemstones measured and graded while set as mounting permits, all weights/grades are approximate
Metals: 18k Yellow Gold (tested), gold has a very bright color and an almost greenish hue, beautiful color. Photograph #4 shows off the color of the gold close to life
Ring Size: 8.5
Total Weight: 2.8g
Measurements: 4mm wide (N-S) in the front, shank 0.7mm wide in the back, ring sits 3.5mm tall on finger
Hallmarks: unmarked (gold tested to be 18k )
Condition: Estate item in very good condition consistent with normal wear