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Marquise Cut Engagement Rings

Brought to life by our in-house jewelers.

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Engagement Rings — The Start of Your Forever.

At Cullen, we recognize the importance of finding an engagement ring that reflects your style and the unique beauty of your relationship. 

Using ethically sourced materials and lab-grown gemstones, every Cullen engagement ring is handcrafted in our Australian workshop by our in-house jewelers. Whether you prefer a solitaire, halo, vintage-inspired ring or an entirely unique design, our wide variety of existing styles and specialized custom design process ensures there is a perfect fit for everyone. 

Explore the collection online or begin your journey in one of our showrooms with a personalized design consultation — whatever the process, we're here to help you start your forever with the ring of your dreams.

Find Your Perfect Engagement Ring with Cullen

Cullen specializes in custom engagement rings, handcrafted to mark one of life’s most meaningful moments in a style unique to your love.

Our extensive range of existing engagement ring styles and personalized custom design process enable you to explore, envision and create an engagement ring that is both long-lasting and personal to your love story.

Whether you’re specifically seeking emerald cut engagement rings or you’re more broadly interested in diamond engagement rings, our experienced in-house jewelers and warm, knowledgeable client service team will guide you through every step of the journey — from your first consultation to the final polish.

Each ring is made in our Australian workshop using conflict-free, sustainable lab-grown diamonds, moissanite, or sapphires, so you can feel confident that your ring is as ethical as it is exquisite to look at.

With a wide variety of styles ranging from simple engagement rings to more elaborate designs, there is a perfect fit for everyone.

Need a little guidance? Don’t hesitate to contact us or book an in-person appointment with one of our friendly engagement ring specialists to begin designing your dream piece.

Looking for a specific style? Choose from our collections below:

Absolutely. Cullen specializes in custom engagement and wedding rings. Choose from a range of center stones, side stones, and precious metals, as well as various settings. Whether you are interested in marquise cut diamond engagement rings or wedding bands to pair with marquise engagement rings, our experienced design specialists will guide you through the custom design process to create the perfect ring that reflects your unique style.​

We offer a selection of ethically sourced gemstones in marquise cut, including:​

Each gemstone is chosen for its quality and sustainability, ensuring your ring is both beautiful and responsibly made.​

​Browse our in-store range of marquise cut engagement rings in the United States or explore online using our custom ring builder.

To maintain the brilliance of your sparkling marquise engagement ring:

  • Clean it regularly with mild soapy water and a soft brush.
  • Avoid exposing it to harsh chemicals or abrasive materials.
  • Store it separately to prevent scratches.
  • Schedule periodic professional cleanings and inspections.​

Proper care will keep your ring looking its best for years to come.​ For more information, check out our ring care and ring cleaning guides.

Yes, we offer complimentary resizing for all our engagement rings. If your ring doesn't fit perfectly, simply contact us, and we'll adjust it to ensure a comfortable fit.​

All gold and platinum jewelry from Cullen comes with a lifetime manufacturing warranty. This warranty covers any defects in materials or workmanship, giving you peace of mind that your ring is crafted to the highest standards.​