This is a mid century engagement ring set with a Round Brilliant Cut Diamond. The diamond is set in a platinum box head making it appear larger than it is. The band has a center groove giving it the appearance of 2 bands together.

Diamond
Weight: 1 = 0.13 cts
Cut: Round Brilliant Cut
Color: G/H
Clarity: VS1/2 (nick in girdle by prong)
Measurements: 3.3 mm

Dimensions: 4.6 - 1.5 mm wide / 4.4 mm high
Metal: 14k Yellow Gold & Platinum
Markings: 14K PLATINUM I.A.
Finger Size: 5 (inquire about sizing)
Circa: 1940-50
Weight: 2.5 grams
Condition: 8 - (the ring has recently been cleaned and polished)