The Louis Vuitton Blossom collection features a variety of gemstones such as mandarin garnets, tsavorites, and opals, all designed around the floral motif1. The B Blossom Pendant, which has a similar design to the pendant in question, includes brilliant gems that compose a pattern that echoes the Monogram Flower23. The LV Rainbow pendant is another Louis Vuitton pendant that features rainbow gemstones4. However, the specific type of gems included in the pendant in question is not mentioned in the search results