(618) 681-5688

Moissanite Engagement Rings
in Longmont

Searching online for your Moissanite engagement ring has never been simpler.

Servicing clients USA-wide, Cullen Jewellery is an Australian company that is committed to bringing high-quality Moissanite jewellery to Longmont and across Colorado.

At Cullen Jewellery, we understand that finding your dream engagement ring can be an exciting, yet daunting experience – especially when purchasing online. To ease your mind, we are available to assist you through every step of the journey; from providing advice on the best metal type for your lifestyle down to the best band thickness to suit your style, we are dedicated to creating a Moissanite engagement ring that truly fits you.

Shop Moissanite Engagement Rings Shop Moissanite Wedding Rings

We strive to guarantee your complete satisfaction

We strive to guarantee your complete satisfaction with your Moissanite engagement ring and will always seek your final approval of your custom ring design before authorising it to be masterfully crafted by our Australian jewellers.

To ensure that you are getting exactly what you’re looking for, we recommend beginning your journey by browsing our wide collection of engagement ring designs on our website.

Shop Moissanite Engagement Rings Shop Loose Moissanite Stones

Shop Category

Shop from our beautifully crafted Moissanite Engagement Rings Longmont


Elegant and classic, each solitaire ring design focuses on enhancing the brilliance of a Cullen Moissanite.
Shop All Solitaire


Traditional round and cushion shaped Moissanite are especially sought after for their romantic vintage-inspired look.
Shop All Halo


Symbolising the past, present and future, trilogy engagement rings are a perfectly sentimental choice.
Shop All Trilogy


Free Ring Sizer

We also highly recommend finding out your ring size. This can be easily done with our Free Ring Sizer – Get yours now.

Send me a free ring sizer


Design Your Own Ring

A fully custom made Moissanite engagement ring made specifically for you in as few as six weeks. (No ring customisation fees!)

Get instant quote

We service these areas in Colorado and beyond:

Denver | Colorado Springs | Aurora | Fort Collins | Lakewood | Thornton | Arvada | Westminster | Pueblo | Greeley | Centennial | Boulder | Longmont

Book a Virtual Appointment

Moissanite Wedding Bands

Wedding bands are a powerful symbol of eternal love and commitment. Cullen Jewellery wedding bands are crafted with meticulous attention to detail and are available in a broad range of Moissanite cut shapes, carat weights and materials to suit every style and taste.