.40 Victorian Old Mine Cut Diamond Earrings in 18k Gold.  These one of a kind Victorian dangles feature .40 carats of Old Mine cut diamonds finished in 18k yellow gold and sterling silver. Two (2) .11 carat diamonds and twenty-six (26) accent diamonds, ranging from .80 -1.9 carats, decorate the drop earrings. Soft, French-inspired metalwork shapes and seashell mounting forms in two-tone yellow gold and silver hold the collection of diamonds. The antique Old Mine cut diamonds showcase a balance of hues, from light grey to bright white. Measuring 11.38mm wide and 21.20mm long, these vintage diamond earrings are a treasure from the turn of the century.