Thank you for viewing! Thank you to all my followers. ★ Please consider the chain as a service. It is not 18k. This is an 18K pendant top using high-quality sky blue topaz. All metal parts of the top are 18K. The topaz, like a pleasant blue sky, matches the four-leaf clover design, making it a cute pendant top. This topaz, sky blue topaz, as the name suggests, is a clear and bright light blue topaz, like a clear sky. It has a color similar to the gemstone aquamarine. The blue color is brought out by irradiating transparent topaz with high-energy electron beams using a linear electron accelerator. ★ Top size: Length: 18.1mm Width: 11.3mm Thickness: 3.3mm 18k used, with hallmark (Au750) With case ■ Notes As it is a natural stone, there may be some scratches and inclusions. Natural stones have different shapes, colors, and patterns, and no two stones are exactly alike. Please understand this beforehand. Please refrain from purchasing if you are overly concerned. Colors may differ depending on how the photos are taken. Please understand. ★ Immediate purchase is welcome. Thank you.