The Signature Collection · E12-BLU-GO

The Dualis Halo Studs

A deliberate chromatic pairing uniting a deep Australian royal blue sapphire and a rich Australian forest green sapphire, each framed in a razor-sharp micro-...

From $3,562
Open Blue Sapphire
18k Yellow Gold

Hand-finished. Ships within 10 days. Free insured delivery.

Want 2ct+ — Contact with Stoney
✦ AS Certified ✦ Lifetime Warranty ✦ Ethical Origin
The Full Story

The Bench Reality

Two Perspectives. One Origin.

The Dualis Halo Studs challenge conventional fine jewellery symmetry by embracing the natural spectrum of the earth. Rather than forcing identical colour matching across both ears, this signature pair celebrates deliberate contrast: one ear showcases an intense, deep Australian royal blue, while the other features an earthy, rich Australian forest green. Framed by a polished inner gold bezel and an unbroken perimeter of brilliant-cut diamonds, the piece transforms gemstone diversity into a confident luxury signature.

Both sapphires are unearthed from the same ancient Australian gem fields, formed under identical geological pressures yet expressing completely different crystal colorations. The deep blue sapphire delivers velvety, midnight saturation, while the green sapphire reveals vivid forest and olive tones as it moves under natural sunlight. The surrounding halo of hand-set white diamonds acts as a shared optical frame, bridging the two distinct hues into a harmonious, balanced visual dialogue.

Balancing two different coloured stones requires uncompromising precision at the bench. While their colors are intentionally contrasted, their physical geometry cannot differ: Stoney meticulously calibrates each 5mm round sapphire for matching table height, girdle thickness, and diameter so both studs sit with identical visual presence on the lobe. Hand-setting the brilliant diamond halo under high microscope magnification ensures seamless light return and sharp, distortion-free borders.

"Matching two completely different Australian sapphire colours is all about millimeter tolerances. When the stone diameters, table heights, and hand-finished diamond halos align perfectly, the contrast between deep blue and Australian forest green looks completely intentional, architectural, and rare."

— — Stoney, Master Jeweller

The Specifications.

Stone Size 5mm (approx. 0.55ct) sapphire
Stone Size 2x 5mm (approx. 1.10ct) sapphires and 40x 1mm (approx. 0.20ct TCW) diamonds
Dimensions 14.12mm total drop x 9.03mm wide
Weight approx 2.95 grams without stones
Metal Solid 18k yellow, rose or white gold
Presentation Arrives in our bespoke box
Hallmarking Stamped 750 (18k Gold) for global verification.
Warranty Covered by our lifetime craftsmanship guarantee.
9
Mohs Hardness
5mm
Stone Size
10 days
Lead Time
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