Bidspirit auction | 18K Black Opal and Diamond

18K Black Opal and Diamond Ring - 18K Black Opal and Diamond Ring   18K Yellow gold ring with a pear shape black opal surrounded by diamonds.   Dimensions:  The opal measures 14mm x 9mm, the total diamond weight is .30cts. The ring is marked 18K and is size 7.50 and weighs 4.2dwt.   Provenance: From a New York collection. Condition: Two of the diamonds were reset and glue was used. The opal shows some minor crazing. Good with Expected wear. Measurements and opinions on gems are approximated as they are examined and measured within the setting.