SIGMA is a jewelry brand based in Pardes Hanna, offering contemporary designs with a sharp, edgy, minimalist aesthetic. Its collections include gold, silver, and gold-plated jewelry, as well as pieces featuring gemstones and diamonds. Customers can browse earrings, necklaces, bracelets, and rings, including wedding rings and styles in 14-karat gold. Featured designs include the Adva and Replica lines, alongside collections such as Cascade, De Marquise, Timeless, Prima Materia, Cosmic, and Bauhaus Heritage.

Beyond ready-to-wear jewelry, SIGMA offers custom design and personal orders, including signet rings, name jewelry, and bespoke pieces. The brand also runs workshops in silver jewelry design and gold wedding-ring making, giving participants an opportunity to create jewelry themselves. Gift cards are available for gifting. SIGMA provides online shopping, a ring-size guide, care instructions, and information about shipping, warranties, and repairs. The website promotes free shipping on purchases over 500 shekels and offers newsletter subscribers 10% off their first purchase. Its designs bring together distinctive forms and wearable materials for personal style and special occasions.