Title Additional Information (Max 160 characters) Yuzo Kiriyama K18 Gold Opal Pendant with Diamonds, Sapphires & Rubies. Artist Signed Box. Innovative Flexible Magnetic Cord. 2023 Collection. 1. Description (購買意欲を掻き立てる文章) Experience the pinnacle of Japanese contemporary jewelry art with this magnificent creation by Yuzo Kiriyama. This "one-of-a-kind" pendant features a breathtaking natural opal, radiating a vibrant play-of-color that shifts with every movement. The opal is meticulously framed in textured K18 yellow gold, reminiscent of organic solar rays, and accented with a celestial arrangement of diamonds, sapphires, and rubies. The piece comes with a state-of-the-art Flexible Magnetic Cord, allowing for effortless styling. Whether worn as a chic choker or a dramatic long necklace, its versatile design adapts to your every need. This is more than jewelry; it is a wearable masterpiece for the discerning collector. 2. Provenance (商品の由来) This piece is an authentic creation by the renowned Japanese jewelry designer Yuzo Kiriyama. The hallmark "勇三" (Yuzo) and the serial number "2305" are clearly stamped on the reverse, indicating it is likely a 2023 collection piece. It was acquired from a high-end estate in Japan and comes with its original presentation box, which features the artist’s hand-signed signature—a rare and significant mark of authenticity. 3. Specifications (スペック) Brand: Yuzo Kiriyama (桐山勇三) Type: Pendant Necklace Material: Yellow Gold (YG) Purity: K18 / Au750 (Hallmarked "K18" and "勇三") Stones: * Main: Natural Opal (Large Cabochon) Accents: Diamonds, Sapphires, Rubies Other Materials: Flexible Magnetic Silicone/Rubber Cord Weight: * Pendant Top: 19.73g Total Weight: 55.16g Size: * Pendant Top: 45mm x 35mm Cord Length: Approx. 81cm (Fully adjustable via magnetic overlap) Special Features: * Flexible Magnetic Wire: The cord is fully magnetic, allowing for infinite length adjustment and easy wear. Detachable Top: The pendant can be removed and worn with your favorite gold chain. Accessories: * Original presentation box with artist's hand-signed signature. (Note: The bust and display stands used in photos are for demonstration only and are not included in the sale.) ---- Inner Display Box (Artist Signed): The original inner presentation box featuring the artist's signature is included. Please note that one decorative button on the interior/closure appears to be missing. However, the box still functions for display and protection of the necklace. Outer Paper Box: The additional outer cardboard box is included but is in poor condition with visible wear and tear. It is provided primarily for extra protection during shipping. Total set: The value lies in the artist's hand-signed inner case and the exquisite jewelry itself.