ShinyPrettyThings Ltd has dated this piece to the 1900s.

Diamond measurements: 5.5 x 6 x 2.6 mm
Total diamond weight: 1 carat (approximate - assessed while mounted)
Dimensions: 3.3 x 2.8 x 0.42 cm (not including jump ring)
Weight: 6.04 grams
(Chain not included)
ShinyPrettyThings Ltd has dated this piece to the 1900s.
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