0.50 CT BLACK DIAMOND ENGAGEMENT RING — STELLO SETTING, 18K GOLD

A star caught on the finger — in shadow.

Stella is Latin for star — the oldest symbol we have. Before clocks, before maps, before written language, people looked up and steered their lives by points of light that had guided everyone who came before them. A star is what you wish on. What you keep your word by. The thing that stays still while everything else moves.

This ring is built on a simple, unshowy idea: rotate a princess cut forty-five degrees, and the stone stops reading as a square. It reads as a four-point star. No halo, no pavé, no side stones — just the cut of the diamond, turned the right way, set at the center of a slim solitaire band. The geometry does the whole job.

With a black diamond at the center, the star goes quiet. A white diamond throws light; a black diamond withholds it. The natural black diamond isn't carbon-fogged or irradiated — it's an opaque stone built from so many tightly-packed inclusions that no light passes through. It smolders instead of sparkles. Against any of the golds, it reads as a star cut out of the night sky rather than one placed on it. Same geometry. Different temperature. A promise made in a lower register.

It is a minimal ring for a reason. A promise doesn't need to be decorated. A star doesn't need to be louder than itself.

Every stone is natural, ethically sourced, and conflict-free. The 18k gold is solid and recycled where possible. The setting is built using old-world techniques by hand — the same methods that have defined fine jewelry for centuries.

Made in New York. One piece, one wearer, one story.

Please note The ring pictured is an example of our Stello setting. Because every Vena Amoris piece is made to order by hand, your ring will be crafted individually — with its own hand-selected black diamond, sourced specifically for you. Slight variations in the stone's character and depth are part of what makes each piece entirely yours.

The details

• Metal: solid 18k gold (rose, yellow, white, or gray)
• Center stone: 0.50 ct princess cut black diamond, set in kite orientation
• Band width: 1.75mm
• Size: made to order (currently offered sizes 4–8.5)
• Handmade in New York
• Featured in Refinery29

Make it yours Every Vena Amoris piece begins as a conversation. If you'd like this design in a different size, metal, or stone — or something entirely your own — email us. There are no traditions when it comes to love.