Sideræ
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Artisan 18K gold ring with marquise black sapphire and green-black clusters forming a cat eye, handcrafted by Sideræ.
Side view of Black & Green Cat Eye Ring showing green and black sapphires with organic texture on 18K yellow gold band, handcrafted by Sideræ.
Right side of Black & Green Cat Eye Ring highlighting marquise black sapphire and artisan gold setting, a unique Sideræ creation.
Rear view of Black & Green Cat Eye Ring revealing detailed gold craftsmanship and secure setting of black and green sapphires by Sideræ.
Model wearing Black & Green Cat Eye Ring on the ring finger, showing bold marquise black sapphire and green clusters on 18K gold.
Black & Green Cat Eye Ring worn on index finger, displaying cat-eye design with green and black sapphires and handcrafted golden band.
Black & Green Sapphires Cat Eye Ring held between fingers to show scale and intricate marquise and round sapphire design, artisan 18K gold by Sideræ.

Black & Green Cat Eye Ring

€4,730.00

A wild feline’s gaze, captured in a marquise-cut black sapphire and clusters of green and black round sapphires among golden granules. Mysterious, bold and impossible to ignore—for those with a spirit that never shies from the unknown.  

Ready to ship
Your piece will closely match the photos, but slight differences will occur. Our Liquid Setting technique and stone variations make every piece truly one-of-a-kind.
  • Materials: 18k yellow gold, sapphires.
  • Total Carat Weight: ~ 0.68
  • Measurements: Band width ~9,7 mm Front & ~1,7 mm Back
  • Designed and handcrafted in Italy
  • #RS1025-BG-YG-7.5

This ring is in stock and ready to ship. It will be dispatched within 3/4 working days from order date. The ring cannot be resized, but this style can be made to order in any ring size from 4 to 11. Please select the ring size you need from the dropdown menu above.

Each Sideræ jewel is thoughtfully handcrafted in our studio near Milan, where molten gold is cast to capture the fluid beauty of a moment not to be repeated. While skill and precision are deeply involved, every piece appears effortless and spontaneous. Our alternative creative approach uplifts the beauty of diversity and the unexpected: shapes are organic, details unpredictable and no two jewels are ever alike, set apart by their own unique character. Their uniqueness carries the beauty of imperfection—imperfect, yet whole. Learn more about our craft.

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THE ART OF Liquid Setting

Traditionally, gemstones are set into cold, solid metal. We flip the script, independently developing a method we named Liquid Setting—the beating heart of our creative flow—where molten gold envelops the gems, allowing them to rise like shimmering islands in a golden sea.

This process requires deep mastery of classical techniques, extreme meticulousness and a heart ready to be moved. Through the Liquid Setting, we give life to pieces that bear the physical marks of their crafting journey—making each one entirely unique, even to us

The result is a sincere, tactile jewel that leaves behind sterile perfection. Our creations bring back a sense of what it means to be human in an awe-inspiring world, carrying deliberate imperfections that reflect the non-linear nature of human emotions and the unpredictable beauty of life.

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