Diamond, agate, and tourmaline brooch. Size: Approximately 5.0cm x 3.2cm (excluding the bale) Hole size: Approximately 4.0mm Markings: Clasp (K14WG), Top (K18WG, 20.62, 0.24, 0.35, D0.04, artist's mark) Weight: Approximately 29.0g Accessories: Outer box, case (third-party), sorting memo from the Japan Gemmological Association This is a work by the renowned jewelry artist, Mari Yamamoto. This exquisite piece is captivating with its painterly beauty, primarily featuring green gemstones. High-quality diamonds are set at the center of the motif, radiating a brilliant sparkle. Enjoy this luxurious designer jewelry with a sense of weight and presence. It can also be worn as a pendant top, offering a 2-way design. The diamonds are nearly colorless and transparent, with good brilliance. It has been polished for the listing, so it is in excellent condition with no particular issues. A case will be included, though it may not be the one shown in the images.