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Our World

In 2022, we embarked on our engagement ring journey. Kin saved for months to buy me my dream ring, and when he finally asked me what I wanted, I told him I didn't want that.

We were about to build a whole life together — a wedding, a home, everything after. I couldn't watch him spend tens of thousands on a mined stone when there was another way.

I'd just discovered lab-grown diamonds. Same chemical makeup. Same fire. Same forever — without the markup, and without the mining. My friends thought I'd lost it. My mother was certain of it. Choosing lab over "natural," for an engagement ring? But it felt like us.

So I designed my own. A 2.25-carat old European cut. I chose the weight on purpose — 2.25, for the 25th of February, Kin's birthday. A little detail just for me. In a mined stone, a diamond of that size would have run to five figures.

How Rinn began

I never set out to start a brand. I made one ring, for myself. Then Kin said: make more.

Rinn is the two of us in a single word — Rebecca and Kin. A house built from a ring I was told not to make. And I did anyway (:

What we believe

Fine jewellery has a way of making people feel small — the mystery, the theatre, the quiet sense that you're not being told everything. We wanted the opposite: a place where a couple could make something they'll treasure for decades, honestly and without the performance.

So we keep the promise plain. You'll always know what a piece is made of, and what it costs, before it's made. A solitaire engagement ring and two bands under 3mm, in lab-grown diamonds and solid gold or platinum, begins at $5,000.

What we make

Engagement rings, designed with you. Tennis bracelets, eternity bands, studs — the classics, done properly, made to be worn for a lifetime rather than a season.

And later this year, something closer to the bone: a collection drawn from Chinese medicine and my own family's world, and pieces shaped by the two women who taught me what beautiful things are for — my mother and my grandmother.

In a way, Rinn is my love letter to myself. Consider it an invitation to write your own.