Small-batch statement jewellery made slowly and intentionally.

Inspired by the coast. Crafted in the Capital. For style that endures.

The LUMIRA Collection

AMARA Necklace
$185.00

Discover the AMARA necklace, a striking half-half design that effortlessly blends contemporary style with classic refinement. A study in harmonious contrast, AMARA pairs the timeless lustre of freshwater pearls with the cool clarity of aquamarine, balancing organic elegance with modern minimalism. A standout piece for those who appreciate quiet luxury and thoughtful details.

Details

  • Irregular-shaped freshwater pearl nuggets on one side, aquamarine on the other, meeting at a refined toggle clasp. Nickel and lead-free metals.

  • Length: Approximately 41 cm (16 inches).

  • No two pieces are exactly alike, and that uniqueness is part of their beauty.

What You’ll Love

  • Lightweight design: Sits comfortably against the collarbone.

  • Balanced aesthetic: The juxtaposition of warm pearl glow and cool aquamarine tones complements both warm and cool skin undertones.

  • Versatile: Worn alone for an elevated everyday statement or layered with delicate chains for a curated look.

Care

  • Avoid contact with perfume, lotions, and water exposure. Wipe gently with a soft, dry cloth after wear. Please refer to our Care Instructions to keep your piece looking its best.

TREVIS Half-Hoops
$97.00

Elevated by quiet colour and refined form, the TREVIS earrings bring the calming beauty of variscite together with a modern half-hoop silhouette. Soft green variscite adds a serene, earthy pop of colour that complements any palette while the three stone vertical layout creates a sculptural, elongated look. The half-hoop silhouette blends minimalism with a hint of edge. The TREVIS earrings feel grounded, modern, and quietly striking.

Details

  • Three natural variscite gemstones on each earring.

  • Smooth half-hoop closure for a secure, comfortable fit. Nickel and lead-free metals.

  • Each stone is unique, with natural variations in tone and pattern and veining that lends organic character to every pair.

  • Length: 11mm half-hoop, approximately 3.8 cm from the top of the half-hoop to the bottom gemstone.

What You’ll Love

  • Lightweight design: Comfortable for all day wear.

  • Versatile: Both grounded and elevated — ideal for everyday or special moments.

Care

  • Avoid contact with perfume, lotions, and water exposure. Wipe gently with a soft, dry cloth after wear. Please refer to our Care Instructions to keep your piece looking its best.

REMY Necklace
$220.00

REMY pairs rice-shaped freshwater pearls with luminous green agate for an unexpected, artful arrangement. Each freshwater pearl—subtly elongated and irregular—is Interspersed among polished green agate beads that offer a translucent depth and a verdant note that shifts from seafoam to forest green. Rather than following a predictable repeat, the beads are arranged in an unconventional sequence that plays with rhythm and balance, creating an intentional asymmetry that feels modern and considered.

Details

  • Rice-shaped freshwater pearls and green agate beads, meeting at a refined toggle-clasp. Nickel and lead-free metals.

  • Length: Approximately 51 cm (20 inches).

  • No two pieces are exactly alike, and that uniqueness is part of their beauty.

What You’ll Love

  • Lightweight design: Sits comfortably at a versatile length.

  • Timeless silhouette: Transitions effortlessly from day to night.

  • Versatile: Layers beautifully with other necklaces or stands alone as a statement.

Care

  • Avoid contact with perfume, lotions, and water exposure. Wipe gently with a soft, dry cloth after wear. Please refer to our Care Instructions to keep your piece looking its best.

Our values

Sienna Earth Studio is inspired by the quiet poetry of the natural world. Every collection begins with the textures, colours, and forms found in our surroundings—sun‑warmed stones, shifting coastlines, wild landscapes, and the organic beauty of gemstones and pearls. Nature is our muse, and we honour it through thoughtful, grounded design.

Based in Canberra, our work is shaped by the calm, expansive landscapes of the region and the city’s deep appreciation for craft and considered design. Creating here allows us to slow down, observe closely, and translate the subtle details of the natural world into pieces that feel intentional and enduring.

A scenic view of a beach with clear blue water, sandy shore, and a large rock formation in the ocean, framed by green bushes and trees on the foreground under a bright blue sky.
A tall communication tower on a hill during sunset, with a clear sky above and trees covering the hill.
Wooden staircase leading down to a sandy beach with gentle waves, under a partly cloudy sky at sunset.

Follow us on social

Logo for Siena Earth Studio featuring a stylized line drawing of a woman's face on a brown background with white text reading 'Siena Earth Studio Jewellery'.
A white ceramic vase with a large green leaf, small holes, and yellow variegation. A pair of black, gold, pearl, and crystal dangle earrings hanging from a green stem with leaves in the background, on a wooden surface.
A jewelry display tray with two pearl necklaces and two blue stone necklaces, arranged in parallel.
Partially visible smiling woman in front of a scenic outdoor landscape with a body of water, trees, hillside, and cloudy sky.