The pendant measures approximately 7/8 of an inch, or about 22.22 millimeters, high, including the bale, by approximately 5/8 of an inch, or about 15.87 millimeters, wide, and about 1/8 of an inch, or approximately 3.17 millimeters, thick. The bale opening is just under about 1/8 of an inch, or approximately 3 millimeters, wide. (Included you'll see a US Quarter in the photographs, for the measurement-challenged and ruler-averse.) The pendant is stamped, "925 china", and marked, "CZ", and signed, "Rc", on the upper back of the bale.
The chain measures about 18 and 7/8 inches long, from end to end, and will fit, closed, at approximately 18 and 3/4 inches in length. The chain is approximately 1.5 85 millimeters, or about 1/16 of an inch, wide. Stamped on an inline lozenge, "925 Thailand", stamped, "925", again on the spring ring clasp, and signed, "SU". Combined weight is approximately 3.3 grams, which includes the stone weight, of course.
This necklace is in good vintage condition, though it will have all of the expected surface scratches and tiny dings from normal wear. No chipped or missing stones. The chain has no kinks or repairs. The spring ring clasp works well and holds securely. Hand polished, but it may have missed tarnish, particularly within the channel setting.
A very pretty, feminine and shimmery but understated and richly designed, vintage signed gold accented Sterling silver cz open heart pendant necklace.