Lab-Grown Diamond Rings

Collection: Lighthouse Jewelry Collection

The Lighthouse Collection by Cove Jewelry is inspired by the guiding glow of lighthouses, from Makapuʻu in Hawai‘i to Race Point on Cape Cod. Featuring lab-grown diamonds that sparkle like beacons of light, this collection honors our roots on both the Pacific and Atlantic coasts, offering a touch of luxury that shines wherever life takes you.

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  • Salt Salt
    Salt
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    Salt
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    $685 $695
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  • Pebble Pebble
    Pebble
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    Pebble
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    $950 $1,650
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  • Great Point Great Point
    Great Point
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    Great Point
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    $700 $1,500
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  • Brant Brant
    Brant
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    Brant
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    $700 $1,500
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  • Beacon Tennis Necklace with Diamonds
    Beacon
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    Beacon
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    $2,200 $2,875
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    $2,200 $2,875

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  • Moana Moana
    Moana
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    Moana
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    $900 $1,200
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    $900 $1,200

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  • Harbor Harbor
    Harbor
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    Harbor
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    $1,900 $2,600
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  • Lab-Grown Diamond Necklace Lab-Grown Diamond Necklace Bezel
    Nauset
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    Nauset
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    $850 $1,400
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    $850 $1,400

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  • Front to Back Diamond Hoops Front to Back Diamond Hoops
    Front to Back Diamond Hoops
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    Front to Back Diamond Hoops
    Regular price
    $2,500
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SHOP BY COLLECTION

Hawai‘i Collection, Seacoast Collection, and Cape Cod Collection—reflect the timeless elegance of life by the ocean.

SHOP BY STONE

Featuring London Blue Topaz that mirrors the deep hues of both the Atlantic and Pacific, alongside freshwater and Tahitian pearls and 14k gold beach-inspired charms, each piece is thoughtfully designed for those who live and love the coastal lifestyle.

Cove's Promises

  • Solid Gold Exlusively

    We exclusively craft our jewelry in solid gold, ensuring enduring value and timeless elegance—designed to be treasured for generations.

  • Made in the U.S.A.

    From hand-selecting lab-grown diamonds and premium gemstones to meticulously overseeing the casting process, we uphold the highest standards of craftsmanship and integrity—proudly producing each piece in New York City’s esteemed jewelry district.

  • Ocean Ready Designs

    Designed for life by the water, our jewelry features secure, lasting craftsmanship—elegant, effortless, and made to move with you.

What Our Customers Are Saying