We primarily handle high-quality materials. Please see the list of works below. #symcredo October Birthstone: Ethiopian Opal (Welo Opal) This is a simple necklace featuring high-quality Welo opal with a transparent base and beautiful play-of-color, paired with an elegant Venetian chain. This mysterious stone shines with a variety of colors, such as red, green, and orange, depending on the angle of light. It gives an elegant and gentle impression, and is a piece that will accompany you in both everyday life and on special occasions. ◆ Features ・High-Quality Natural Stone Carefully selected gem-quality opal from Welo, Ethiopia. The transparent base and vibrant play-of-color are its charm. Enjoy the unique characteristics of natural stones (differences in play-of-color and fine cracks). ・Adjustable Chain The length can be freely adjusted with a slide ball (up to 45cm). You can use it freely according to the scene and your outfit. ・Safe Materials Silver925 with rhodium finish, making it resistant to discoloration and considerate of allergies. ◆ Materials Natural Stone: Ethiopian Welo Opal (October Birthstone) Approximately 8x6mm (Oval Cabochon) Necklace/Stone Setting: Silver925 (Rhodium finish, nickel-free) ◆ Size Chain Length: 45cm (Adjustable with slide ball) Chain Width: Approximately 1.0mm ◆ Opal's Stone Words "Hope," "Purity," "Creativity" Opal, which shows different brilliance each time it receives light, is said to bring out the charm of the wearer and give positive energy. ◆ About Packaging We will deliver it in simple packaging. Gift box wrapping (+300 yen) is available for careful packaging.