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Sunstone Trillion Necklace

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the design

Sunstone, Australian opal, and blue-green tourmaline and white diamonds... this combination is killer. This sunstone necklace is an everyday fave, and the perfect statement piece in a layered look.

All orders are final sale.

The Specs

Features a 5mm sunstone trillion, opal, tourmaline, and .03ctw of white diamond

our policy

Sunstones are a soft stone (similar to an opal). It is best to take them off when doing chores or athletic activities. Marrow will replace lost/chipped Sunstones at the cost of the stone(s) + shipping.

May be returned within 10 days for store credit, less any applicable shipping costs. Marrow does not issue refunds. 

Learn more about our return policy here.

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Our Jewelry Ethos


Everyday Fine

Fine jewelry shouldn’t be reserved for special occasions like the fine china that only comes out at holidays. We encourage our clients to invest in unique, high-end but wearable pieces that will last a lifetime.

Love Your Bones

We treasure the “old bones” of a one-of-a-kind heirloom piece and the meaning that comes along with it. Nothing excites us more than thoughtfully working with our client to reimagine something so special.

Sparkle With Substance

We foster a culture that values careful collecting over having just to have. Our uniquely sourced stones and distinct shapes are intended to bring people together and help them create something that’s theirs.