Ring inspired by biomechanical aesthetics, evoking the imagery of bones and intricate 3D-printed mathematical models. The reverse of the ring features ornaments inspired by the traditional Maori wood carvings. Completely hand-carved in wax, the ring was cast in white gold using the lost wax technique. The technically flawless casting resulted in a perfect casting crust that has been preserved as the surface of the ring. The yellow-brown diamond was specifically cut for this ring, drawing stylistic inspiration from the octagonal tablecuts of the Renaissance era.

Ring inspired by biomechanical aesthetics, evoking the imagery of bones and intricate 3D-printed mathematical models. The reverse of the ring features ornaments inspired by the traditional Maori wood carvings. Completely hand-carved in wax, the ring was cast in yellow gold using the lost wax technique. The technically flawless casting resulted in a perfect casting crust that has been preserved as the surface of the ring. The ring is set with a historical Asscher-cut diamond, which was cut around 1920.

Ring with a cornflower blue sapphire set by four strong claws in a quatrefoil of ruby cabochons. Closed settings protect the yellow and white gold mirrors underneath the stones. The ornately engraved yellow gold ring hoop abuts the bezel of oxidized white gold.

Ring with a sapphire in a minimalist setting that leads to a pair of abstractly depicted palm fronds. Accentuated with painted gold, the palm fronds form the ring hoop in blackened white gold. On the inside, the ring is lined with a sleeve made of 22 K gold, which casts a golden reflection upon the stone.

A ring inspired by the geometric patterns of Chinese lacquerwork, taking the form of a perforated zigzag band made of yellow gold. Engraved ornaments crafted from white gold fill the open angles of the band, while white gold drops sit within its shaft-like openings.

Ring designed as a curved band of silky matte, oxidized white gold, complemented by yellow gold bales finishing the edge. Sharp, deep incisions, accentuated by glossy polished edges, separate the band into distinct segments. Each segment contains a rose-cut diamond, nestled in a recessed shaft adorned with painted gold.

Ring inspired by cross ribbed vaults and Gothic wrought iron. Curved white-gold cross ribs form an open lattice set with yellowgold ornaments and flowers.

Ring featuring a morning-red tourmaline secured by miniature lattices and anchored at the corners by four robust prongs. Beneath it, a row of engraved jade inlays is interspersed with voluminous bulges that secure the prongs against the ring hoop. Black vitreous enamel fills the engravings on the ring hoop, revealing both an abstract face and a cross ornament.

Ring designed as a sweeping zigzag band of white gold, complemented by engraved scroll ornaments in yellow gold. The zigzag band serves as a frame for yellow gold stars.

Ring designed as a curved band of silky matte yellow gold, complemented by white gold bales finishing the edge. Sharp, deep incisions, accentuated by glossy polished edges, separate the band into distinct segments. Each segment contains a ruby cabochon, nestled in a recessed shaft with linden green vitreous enamel.

Ring with two perfectly matched engraved pebbles—a green tourmaline and a blue aquamarine, both originating from Minas Gerais, Brazil. Painted gold and micro pavéset black diamonds emphasize the intricate twists and turns of the band, which is inspired by the tropical lianas and crafted in blackened white gold.

New interpretation of a typical Renaissance quatrefoil ring. The ring is made of blackened white gold. Its ornaments are surrounded by deep engravings that are filled with painted gold. The table cut of the cornflower blue sapphire was also inspired by the examples from the Renaissance.

Ring with a brown diamond held by four powerful claws in a quatrefoil of emerald cabochons. Closed settings protect the white gold mirrors beneath the stones. The ornamental yellow gold ring rail abuts the dark oxidized white gold ring head.

Ring with a deep-orange spessartine garnet held by four powerful claws in a quatrefoil of tourmaline cabochons. Closed settings protect the white gold mirrors beneath the stones. The ornamental yellow gold ring rail abuts the dark oxidized white gold ring head.

Ring with a ruby entwined by a yellow gold snake. When exposed to focused illumination, the ruby reveals both a star and a superimposed web in the center. Both effects are caused by fine hollow channels inside the ruby.

Ring with a six-pointed rutile star grown into smoky quartz, underlaid with onyx and entwined with a golden snake. The rutile star was created due to the ordered crystallisation that started from a hexagonal hematite crystal (the black area in the centre).

Ring inspired by the steel frame architecture of the 19th century (such as that of Gustave Eiffel) and set with a turquoise-colored tourmaline. The stone originates from a recently discovered mine in the state of Minas Gerais, Brazil, whose finds are characterized by exceptional color intensity, high brilliance, and remarkable purity.

Swivel ring with a two-faced octogonal bezel. One side displays an old mine diamond from the 19th century, while the other side features a hexagonal ruby surrounded by a red enameled flaming star and black enameled oak leaves. Diamond-set inlays of white gold run along the sides of the bezel made of yellow gold. The mural paintings of the Florence Baptistery inspired the black enemaled ornaments of the ring hoop.

Ring with a blue-green tourmaline. Four mighty arched stoles of white and yellow gold form the bezel. The unadorned ring rail of darkly oxidized white gold opens towards the ring head, ending in four capitals that support the bezel.

Ring inspired by lava flows, kneaded from soft beeswax sticks and cast in white gold. On the outside, the white gold is blackened, and on the inside it is lined with polished 22K yellow gold.

Ring kneaded from soft beeswax sticks and cast in white gold, with 5 sapphires sunk into its softly shaped recesses. On the outside, the white gold is blackened, and on the inside it is lined with polished 22K yellow gold. The lava flows of the Kilauea in Hawaii served as inspiration.

Ring that winds itself around the finger like a snake, whose head is a teardrop-shaped antique diamond. The ring was equally inspired by the supporting steel frame structures of the 19th century and the archaic wood engravings from the South Pacific. The open end of the white gold ring hoop opens into two fluted columns from which thick yellow gold tendrils grow to close the ring by penetrating the open lattice of the ring head.

Ring with a mauve Burma spinel. The bezel is composed of four intercrossing curved columns and covered with black, red and green enameled ornaments.

Old mine diamond in a bezel composed of four intercrossing curved columns. Both the bezel and the ring hoop are embellished with spherical ornaments and black vitreous enamel.

Ring inspired by the Indian archer’s rings. The two sides of this elaborately engraved ring set with rubies and dropshaped rose-cut diamonds can both be worn as the front. Green, pale pink, and black ornaments embellish the enameled band on the inside. One of a kind.

Ring inspired by the Indian archer’s rings. The elaborately engraved ring is set with rose-cut diamonds on one side, and rubies and jade ornaments on the other; either side can be worn as front. Dark blue, pale pink, and black ornaments embellish the enameled band on the inside. One of a kind.

Ring inspired by the Indian archer’s rings. The two sides of this elaborately engraved ring set with rubies and dropshaped rose-cut diamonds can both be worn as the front. White, pale pink, and black ornaments embellish the enameled band on the inside. One of a kind.

Steel and yellow gold ring inspired by the Indian archer’s rings. The two sides of this engraved ring set with goldframed rubies and a fine gold-framed diamond can both be worn as the front.Yellow gold lines the inside of the ring. One of a kind.

Steel and yellow gold ring inspired by the Indian archer’s rings. The two sides of this engraved ring set with goldframed rubies and a fine gold-framed diamond can both be worn as the front.Yellow gold lines the inside of the ring. One of a kind.

Ring braided from soft beeswax sticks and cast in 22 K yellow gold.

Ring inspired by tree branches broken in a storm. Painted gold accentuates the fractures engraved in the ring‘s dark oxidized white gold.

Ring with a Mali garnet bursting out of the branches of the ring bar with a fearsome force. Painted gold and diamond-set spherical spots of yellow gold accentuate the fractures in the ring‘s dark oxidized white gold. One of a kind.

Ring modeled with soft beeswax sticks and cast in white gold. It is set with a copper-red tourmaline, and its ring hoop is embellished with fine gold recesses and diamondset spherical spots. One of a kind.

Ring modelled with soft beeswax sticks and cast in white gold. It is set with a cushion-shaped diamond, whose cut was inspired by the table cuts of the Renaissance. The ring hoop is embellished with fine gold recesses and diamondset spherical spots. One of a kind.

Ring with a tourmaline in a nest built from bamboo stalks of white gold.

Swivel ring with a octagonal bezel that on one side displays a historical diamond, and on the other an enameled and diamond-set ornament with a transparent ruby pane that shows the diamond’s culet and—when seen from the front—colors it red. The ornaments of the cloisonné enameled hoop were inspired by the mural paintings of the Florence Baptistery.

Ring modeled in wax and cast in steel. Its form and engravings were inspired by the floral paintings of the Gothic rib vault in the Abbey of Saint John (Müstair, Canton of Graubünden, Switzerland). The inside of the ring hoop is lined with fine gold. Seated on the ring is a Romanesque fire-gilded silver clasp (ca. 1200) that shows a pair of dogs with their slain prey.

New version of the 1999 ring Giacoma, that is referenced in both the larger design and more complex ornaments.

Ring with a blue sapphire and an ornate ring hoop of partially oxidized yellow and white gold.

Ring modeled in bees wax and cast in white gold, with fine gold recesses and diamond-set spherical spots.

Ring with intersecting ruptured diamond-set branches that hold a violet rhodolite garnet.

Ring with a old mine-cut diamond from ca. 1900 that, similar to a nestling, sits in an eyrie of intertwined diamond-set branches. One of a kind.

Ring with a cornflower blue star sapphire in a bezel built from bent bamboo stems of yellow gold. The hoop is a thick bent bamboo stem with capitals of bamboo leaves. One of a kind.

Ring of white gold with a chrome green demantoid, framed by a Pietra Dura engraving of jade and agate.

Ring with a mauve spinel set within diamond-studded capitals of darkly oxidized white gold.

Ring with a fancy brown yellow old mine-cut diamond entwined by charred branches of partially oxidized white gold with black micro pavé-set diamonds. One of a kind.

Ruby-coated ring with a ruby held by four oversized buds. One of a kind.

Ring of partially oxidized white gold with a gargoyle head. The ring hoop ends with an ornate fish tail with a pair of diamond-set barnacles. A harness of rose-cut brown diamonds substitutes the dorsal fin. One of a kind.

Sapphire micro pavé-set ring with a pair of sapphire cabochons that are held by oversized mounts. One of a kind.

Ring of white gold with a ruby set in a yellow gold frame.

Ring of partially oxidized yellow gold inspired by creeks, whose ornate currents wash around the boulders. The central stone is a green tourmaline, whose table cut was developed according to Renaissance prototypes. One of a kind.

Ring of partially oxidized rose and white gold with an antique diamond from the early 19th century that is surrounded by ornaments and pebbles. One of a kind.

Fish of prey ring of partially oxidized yellow and white gold with ornate micro-engravings and a group of rose-cut diamonds for a dorsal fin. The eyes are composed of rock crystal lenses with pupils set on the reverse and underlaid with radially engraved disks of partially oxidized yellow gold. One of a kind.

Ring with a yellow gold sunflower head whose seeds are made of black micro pavé-set diamonds. The white gold hoop is in the shape of a sunflower stem. One of a kind.

Ring of yellow gold with a secret message that becomes visible when the ring is parted into two entwined halves.

Swivel ring with an ornate cloisonné enameled hoop and a two-faced bezel: one side reveals a historical diamond, while the other shows an engraved ornament with micro pavé set diamonds and vitreous enamel. One of a kind.

Ring of yellow gold with a secret message that becomes visible when the ring is parted into two entwined halves. One half is set with reddish-purple garnets, and the other with orangey-red ones. One of a kind.

Swivel ring of white gold inspired by the Mayan architecture with a two-faced bezel: one side reveals a historical diamond from the late 19th century, and the other - an ornament micro pavé-set with black diamonds. One of a kind.

Ring of partially oxidized white gold inspired by the growth of the kapok tree roots in the Southeast Asian rainforest. The diamond-set channels imitate the meanders formed by river streams.

Ring with an ornately engraved predatory fish head and a ring hoop that is embellished with rose-cut diamonds and nielloed shells and barnacles. The eyes are composed of rock crystal lenses with pupils set on the reverse and underlaid with radially engraved iris disks of partially oxidized yellow gold. One of a kind.

Rings of partially oxidized white gold with nielloed ornaments and light brown diamonds. One of a kind.

Ring inspired by the entwined shapes of the roots of kapok trees native to the Southeast Asian rainforests. Of partially oxidized white gold with a Renaissance-inspired table-cut sapphire and a micro pavé-set brown and black diamonds.

Ring inspired by the traditional bracelets of the Ashanti. Partially oxidized yellow and white gold with an orangey red garnet.

Ring inspired by the traditional bracelets of the Ashanti. Partially oxidized white gold with a yellow sapphire.

Ring inspired by the traditional bracelets of the Ashanti. Partially oxidized yellow and white gold with a blue-green aquamarine.

Ring of partially oxidized white gold with a branched tree crown set with a green tourmaline. One of a kind.

Ring of partially oxidized white gold with a branched tree crown set with a honey-colored garnet. One of a kind.

Ring of partially oxidized rose gold in the shape of crab claws that hold a moonstone cabochon set within a white gold limpet shell. One of a kind.

Ring with a Paraiba tourmaline set into the aperture of a seashell (yellow gold nature cast of a Latirolagena smaragdula shell) that is held by a pair of white gold crab claws. One of a kind.

Ring with an Asscher-cut diamond from the 1920s held by the diamond- and ruby-set twines of partially oxidized white gold. The reverse of the hoop shows a diamond-set eye with a ruby iris. One of a kind.

White gold ring with a padparadscha sapphire and an enameled ornament on the inside of the ring hoop.

Neo-Renaissance ring with a cornflower blue sapphire, vitreous enamel, and rose-cut diamonds.

Ring of white and rose gold with a an olive chrysoberyl, brown diamonds, micro pavé-set diamonds, and vitreous enamel.

Ring of white gold with a scarlet spinel, yellow gold stars immersed into translucent cobalt blue enamel, and enameled black ornaments and rose-cut diamonds on the ring shoulders.

Ring with a petrol blue spinel, yellow gold stars immersed into translucent layers of cobalt blue enamel, and black vitreous enamel ornaments on the ring shoulders.

Ring of rose and white gold with a pink sapphire, micro pavé-set rubies, sapphires, and emeralds, and vitreous enamel.

Ring with a six-pointed rutile star formed inside a smoky quartz crystal (Ibitiara, Brazil). One of a kind.

Yellow and white gold ring with a rose-cut diamond and an ornate hoop with multicolored vitreous enamel.

Ring of rose and white gold with a raspberry-colored spinel and vitreous enamel.

Ring of rose and white gold ring with a fluorescent greenish-yellow chrysoberyl and vitreous enamel.

Neo-Renaissance ring of white and rose gold with a fancy light yellow table cut diamond, French-cut diamonds, micro pavé-set diamonds, and vitreous enamel.

Neo-Renaissance ring of white and rose gold with a rosette-like bezel set with a central table-cut and four French-cut diamonds.

Ring of rose gold with vitreous enamel and a banded agate cabochon (Finkenberg, Idar-Oberstein, Germany).

White gold ring with an antique light lilac sapphire, vitreous enamel, and micro pavé-set diamonds. One of a kind.

Ring of white gold with an old mine cushion-cut diamond (approx. 1870) entwined in a pair of diamond-set knots. One of a kind.

Ring of partially oxidized white gold with an old mine cushion-cut diamond (approx. 1870) and niello ornaments.

White gold ring with a pink diamond, Pietra Dura inlays of banded agate, and micro pavé set diamonds. One of a kind.

Ring of white gold composed of turned elements with a hot pink spinel, rose-cut diamonds, and micro pavé-set diamonds.

Ring with a purple sapphire surrounded by diamond-set turned elements of yellow and white gold. One of a kind.

Rings with ape heads carved in jasper with eyes of porcelain and onyx. The ring hoops are embellished with nielloed ornaments and set with rose-cut diamonds. Every ring is one of a kind.

Rose gold ring with a spinel, vitreous enamel and micro pavé-set diamonds.

Rose gold ring with Ceylon sapphire and black vitreous enamel.

Rings of rose gold with nielloed ornaments.

Enameled yellow gold rings with spinels, emeralds, sapphires, and rubies.

Ring of rose and white gold with a padparadscha sapphire. One of a kind.

Ring of partially oxidized white and yellow gold with a green tourmaline.

Ring of yellow gold.

Ring of yellow gold inspired by traditional Alpine woodcarvings.

Yellow gold ring with an ape head engraved in jasper. One of a kind.

Yellow gold ring with granulation. One of a kind.

Yellow gold ring with an antique Roman carnelian gem depicting the Head of Holofernes. One of a kind.

Yellow gold ring with an emerald and vitreous enamel. One of a kind.

Yellow gold ring with vitreous enamel and diamonds. One of a kind.

Ring of yellow gold with vitreous enamel and painted enamel ornaments. One of a kind.

Yellow gold ring with enameled heart and diamonds. One of a kind.

Self-portrait ring of 22K yellow gold with an engraved lapis lazuli head with eyes of ivory and jet. One of a kind.

Yellow gold ring with engraved turqouise head, eyes of ivory and jet. One of a kind.