The Franconian scientist Johannes Müller, also known as "Regiomontanus," designed his famous ring sundial in 1436, which allows solar time to be read anywhere on Earth. This piece of jewelry faithfully reproduces the historical original and is fully functional: simply set the hole in the inner ring to the current month, point it towards the sun, and add one hour for daylight saving time! Made of 925 sterling silver, plated with 24-karat gold, and set with a garnet. Diameter 2 cm, on a 45 cm long curb chain. Copyright: Christiane Wendt / ars mundi

"Spiral" Necklace: Featuring details from Hundertwasser's work. Metal pendant. Dimensions: 4.5 x 3.2 cm (H/W). Leather cord with lobster clasp, adjustable length 42-47 cm. © 2020 NAMIDA AG, GLARUS/CH. ars mundi Exclusive Edition.

This modern piece of jewelry is crafted from 925 sterling silver and given a sophisticated touch through partial oxidation and gold plating, particularly through the openwork design of the pendant. Each piece is adorned with a rough diamond set in gold-plated squares. It features multi-strand, bicolor stainless steel cables. Pendant dimensions: 2.5 x 2 cm (H/W). Length: 45 cm. Finishes with a hook clasp.

Heart Necklace "Juliet" A heart for pearls. Or more precisely: for the silvery shimmer of freshwater cultured pearls (5 mm). Heart made of 925 sterling silver, finely gold-plated. With a lobster clasp. Length 45.5 cm.

Heart pendant "Faith, Hope, Love" with chain. "And now these three remain: faith, hope and love. But the greatest of these is love," it says in 1 Corinthians 13:13. With a cross, anchor, and heart, Christiane Wendt also visualizes the second part of the verse. Gold-plated 925 sterling silver, with a small brilliant-cut diamond. Curb chain 60 cm, pendant 2.3 x 3.5 cm. Copyright: Christiane Wendt / ars mundi

Renowned jewelry designer Christiane Wendt created this rose heart as an everlasting declaration of love. The exquisite craftsmanship ensures the artist's self-imposed maxim: "My jewelry should accompany its wearers throughout their lives without ever losing its charm." The heart pendant is made of solid, finely gold-plated 925 sterling silver and features three three-dimensional roses and a brilliant-cut diamond. Signed on the back. Pendant dimensions: 2.5 x 2.5 cm, on a 45 cm fox tail chain. Copyright: Christiane Wendt / ars mundi

Ring made from a flexible rubber band with a decorative embellishment and two freshwater pearls at the end. The flexible rubber band makes the ring suitable for almost all ring sizes. Length approx. 9.5 cm.

The highlight of this enchanting charm is the gold-plated brass frog, adorned with freshwater pearls and adorning the flexible rubber band. Length 9.5 cm.

Gilded and silvered ornaments with opalescent glass adorn the flexible rubber ring. Freshwater pearls provide a harmonious finish. Length 8.5 cm. Copyright: Anna Mütz / ars mundi

When floral elements meet modern jewelry-grade rubber, the result is already captivating. Delicate shades of gray and high-quality materials characterize this avant-garde and asymmetrically designed piece of jewelry: anthracite-colored, flexible rubber band, silver-plated floral motifs, and shell-core pearls. Length 10 cm. Copyright: Anna Mütz / ars mundi

Ring made of 925 sterling silver, partially gold-plated and oxidized. A black diamond. Adjustable size.

"Grey Moon" ring. Handmade creation in 925 sterling silver, blackened. With a black diamond in a silver setting. Adjustable size.

Art Deco Ring: The eye-catching feature of this modern piece of jewelry is the geometric composition with a shell-core pearl at the edge of the flexible rubber band, which is finished with two additional pearls. Length approx. 10 cm. Ornament 2 x 1.5 cm (H/W). Copyright: Anna Mütz / ars mundi

"Poppy Dream" ring: Passion delicately arranged. The modern ceramic poppy is the focal point of this ring. Flower diameter: 3 cm. Adjustable size.

"Mother of Pearl" ring, silver-plated version. Pure elegance. Flexible rubber ring with two cultured pearls. Cuff made of 925 sterling silver. Length approx. 9 cm.