This is a yellow gold open heart diamond pendant necklace on a gold chain

This appears to be a diamond heart pendant necklace, featuring an open-heart design with smaller round diamonds set around the perimeter.The setting appears to be a mix of white gold/metal around the diamonds with a yellow gold backing and chain. Key Details Design:It is an open-heart pendant with a border of pavé-set or prong-set round diamonds, often referred to as a diamond halo design. Materials:The chain and most of the metal visible on the back of the pendant appear to be yellow gold, while the setting holding the diamonds appears to be white gold or a similar white metal, which is a common practice to enhance the white appearance of diamonds. The specific karat (e.g., 10k, 14k) would typically be stamped on the clasp or the back of the pendant. Style: The use of multiple small stones to create a larger shape is a popular style, and similar pieces are widely available as both new and vintage or estate jewelry items from various retailers.please do your research before purchasing.