TIANSI Jewellery, operated by Kedai Emas Tian Si Sdn. Bhd., is a jewellery retailer based in Johor Bahru, Malaysia. The brand offers gold jewellery and related gift items through its online store, with collections spanning traditional-inspired designs, contemporary styles and special occasions. Customers can browse pendants, necklaces, bracelets, rings, earrings, bangles, anklets, gold bars and ornaments.

Its collections include TIANSI, Festival, Magnetar Black Gold and Precious Love, alongside Jiwa, Tuah, Teruna and Jejaka ranges. Additional lines include Timeless Grace, Heritage Atelier, Yournique Glow, Lumina Luxe, Eternal Love, Elegance, Explorer and Full Gold. The store also highlights new arrivals and best-selling designs, with examples featuring pearls, mother-of-pearl and decorative motifs such as flowers, fans and crescent moons.

TIANSI provides online shopping, gold price information, order tracking, a store locator and customer support via WhatsApp and email. Its website also offers membership information, shopping guidance and details about shipping and returns. The company is located in Taman Mount Austin, Johor Bahru, and states that free shipping is available in West Malaysia, subject to terms and conditions.