The necklace is 27 1/2 inches long and weights 59.47 grams. The opals are 4 - 10.5 mm, 2 - 12 mm, 1 - 13 mm in diameter.
The clasp is marked 375 for 9 carat gold. Acid tested for 9 k gold. The necklace is in excellent condition.It is better in person. The item "Old 9K Yellow Gold Australian Black Opal Brilliant Boulder Beads Necklace 59.5g" is in sale since Sunday, March 31, 2019. This item is in the category "Jewelry & Watches\Vintage & Antique Jewelry\Fine\Undated Fine Jewelry\Necklaces & Pendants". The seller is "k*l" and is located in North Port, Florida. This item can be shipped worldwide.