Blue Madagascar sapphire cabochon ring worn on hand outdoors, featuring a deep blue round stone with visible natural inclusions set in a sterling silver bezel. Text reads “Blue Sapphire Ring” and “Hand Carved Cabochon Jewelry.”

Blue Sapphire Ring - Madagascar Cabochon - Sterling Silver Jewelry

$699.00
$699.00
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Blue Madagascar sapphire cabochon ring worn on hand outdoors, featuring a deep blue round stone with visible natural inclusions set in a sterling silver bezel. Text reads “Blue Sapphire Ring” and “Hand Carved Cabochon Jewelry.”
  • Blue Madagascar sapphire cabochon ring worn on hand outdoors, featuring a deep blue round stone with visible natural inclusions set in a sterling silver bezel. Text reads “Blue Sapphire Ring” and “Hand Carved Cabochon Jewelry.”
  • Sterling silver bezel-set blue sapphire cabochon ring on a stone surface, showing a deep blue natural stone with cloudy inclusions and polished dome. Text reads “Authentic natural madagascar Blue Sapphire.”
  • Side view of a sterling silver sapphire cabochon ring on a ring mandrel showing band thickness and bezel height, labeled size 7. Text reads “Size 7.”
  • Close-up of a blue sapphire cabochon showing natural inclusions and cloudy internal patterns under light, set in a smooth sterling silver bezel. Text reads “Organic Inclusions Radiate in the Sunlight.”
  • Angled view of a sterling silver bezel-set blue sapphire cabochon ring highlighting the domed stone surface and handmade finish. Text reads “What makes Aetherium Jewelry different?”
  • Perforated metal casting flask with a white investment core sits on a ceramic block against a plain background, representing the in-house casting process used to make Aetherium jewelry. Visible text says “Designed & Casted In House.”
  • Molten silver is being heated with a torch inside a ceramic crucible during the jewelry making process. Orange flame, liquid metal, and workshop surfaces show the metalworking stage behind this sterling silver ring.
  • Raw ring components and casting remnants on a work surface next to a brush, showing unfinished metal parts used in the jewelry making process for handmade rings.
  • Sterling silver ring setting being hand shaped and refined on a wood bench beside a rotary polishing tool. The image shows the handcrafted finishing stage before stone setting. Visible text says “Shaped By Hand” and “may include: Maker’s Marks Imperfections Handcrafted Details.”
  • Hand holding a deep blue pear-shaped sapphire gemstone mounted on a dop stick during jewelry work, with ring components and tweezers visible on a work surface. This image shows the hand-cut stone process used in custom jewelry creation. Visible text says “Often with hand cut stones.”
  • Two precision-cut gemstones displayed side by side on a neutral background, one clear round brilliant stone and one orange faceted stone, showing symmetry, facet structure, and light reflection differences used in jewelry cutting. The white stone is the moissanite in this ring.
  • White gemstone alignment tool with adjustment knobs and mounted stone shown against a clean background, representing Aetherium tool development used in jewelry making. Visible text says “Every order supports the development of tools & technology that lower barriers in the art trades.”
  • Front view of a round blue Madagascar sapphire cabochon ring in sterling silver, showing deep blue color variation and natural inclusions across the polished surface.
  • Blue Madagascar sapphire cabochon ring worn on hand outdoors, featuring a deep blue round stone with visible natural inclusions set in a sterling silver bezel. Text reads “Blue Sapphire Ring” and “Hand Carved Cabochon Jewelry.”
  • Sterling silver bezel-set blue sapphire cabochon ring on a stone surface, showing a deep blue natural stone with cloudy inclusions and polished dome. Text reads “Authentic natural madagascar Blue Sapphire.”
  • Side view of a sterling silver sapphire cabochon ring on a ring mandrel showing band thickness and bezel height, labeled size 7. Text reads “Size 7.”
  • Close-up of a blue sapphire cabochon showing natural inclusions and cloudy internal patterns under light, set in a smooth sterling silver bezel. Text reads “Organic Inclusions Radiate in the Sunlight.”
  • Angled view of a sterling silver bezel-set blue sapphire cabochon ring highlighting the domed stone surface and handmade finish. Text reads “What makes Aetherium Jewelry different?”
  • Perforated metal casting flask with a white investment core sits on a ceramic block against a plain background, representing the in-house casting process used to make Aetherium jewelry. Visible text says “Designed & Casted In House.”
  • Molten silver is being heated with a torch inside a ceramic crucible during the jewelry making process. Orange flame, liquid metal, and workshop surfaces show the metalworking stage behind this sterling silver ring.
  • Raw ring components and casting remnants on a work surface next to a brush, showing unfinished metal parts used in the jewelry making process for handmade rings.
  • Sterling silver ring setting being hand shaped and refined on a wood bench beside a rotary polishing tool. The image shows the handcrafted finishing stage before stone setting. Visible text says “Shaped By Hand” and “may include: Maker’s Marks Imperfections Handcrafted Details.”
  • Hand holding a deep blue pear-shaped sapphire gemstone mounted on a dop stick during jewelry work, with ring components and tweezers visible on a work surface. This image shows the hand-cut stone process used in custom jewelry creation. Visible text says “Often with hand cut stones.”
  • Two precision-cut gemstones displayed side by side on a neutral background, one clear round brilliant stone and one orange faceted stone, showing symmetry, facet structure, and light reflection differences used in jewelry cutting. The white stone is the moissanite in this ring.
  • White gemstone alignment tool with adjustment knobs and mounted stone shown against a clean background, representing Aetherium tool development used in jewelry making. Visible text says “Every order supports the development of tools & technology that lower barriers in the art trades.”
  • Front view of a round blue Madagascar sapphire cabochon ring in sterling silver, showing deep blue color variation and natural inclusions across the polished surface.
Blue Sapphire Ring - Madagascar Cabochon - Sterling Silver Jewelry

Blue Sapphire Ring - Madagascar Cabochon - Sterling Silver Jewelry

$699.00
$699.00
Shipping calculated at checkout.

In stock: 1-3 business days

A natural material, shaped and set to carry its origin forward.

This ring is built around a hand-cut blue Madagascar sapphire cabochon, carved and polished to preserve the internal character these stones are known for. Madagascar sapphires are valued for their depth and variation, with natural inclusions, shifting color, and subtle clouding visible across the surface.

Under intense light, the stone moves between deep blue and lighter mineral tones, revealing layered structure within the material. Under casual light, it settles into a rich, deep blue presence that holds attention.

Unlike faceted sapphire, this piece does not rely on clarity or brilliance. Polished to 60k grit, the surface enhances the stone without removing its identity. The result is bold, grounded, and unmistakably natural.

The stone is set in a solid sterling silver bezel, formed and finished in-house. The setting is clean but not overly refined, intentionally leaving a trace of the process behind. It holds the stone securely while staying consistent with the Aetherium style, controlled but never sterile.

Each ring is cast, shaped, and finished by hand. Variations in the stone and subtle marks in the metal are part of the final piece, not defects to be removed.

Ring Details
• Stone: Blue Natural Madagascar Sapphire (Cabochon)
• Metal: Solid Sterling Silver
• Setting: Hand-formed Bezel
• Size: 7

Proudly handmade in the Pacific Northwest, USA.

Every order supports Aetherium Innovations and our mission to develop tools and technologies that lower the barriers in the skilled art trades.

Bench-tested

Modular by design

Direct builder support

Pacific Northwest built

Build & Support

Aetherium products are developed around real workshop and field workflows. If you need dimensions, compatibility guidance, replacement components, or help adapting this product to your setup, contact the workshop before ordering.
Shipping & Returns

The production estimate shown near the purchase button is the current working lead time for this item. Shipping is calculated at checkout.

If an order arrives damaged, does not match what you received approval for, or you need to request a return, contact us with the order number and photos when applicable. We will review the situation directly and help determine the right next step.

Complete the system

Why Aetherium

Built like someone has to use it.

We design around real workflows, direct feedback, and the belief that a good tool should expand what its owner can do.

Bench-testedDeveloped around real workshop problems, not trend forecasts.
Small-batchProduced deliberately with clear lead times and direct accountability.
AdaptableModular, repair-minded systems designed to evolve with the work.
Direct supportCompatibility question? You can talk to the person who built it.
Unsure whether this fits your setup?Send the workshop a photo or a short description before you order.
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