receive a complimentary pair of diamond earrings with your engagement ring order. use code IONA24US at checkout. T&Cs apply >
1

Select your ring

2

Select your diamond

3

Personalize your ring

Unique 18k White Gold Oval Diamond Trilogy Engagement Rings

Drawing together timeless design with modern artistry, our collection of unique white gold oval diamond trilogy engagement rings offers you an exciting selection of unique rings, allowing you to find a design that speaks to love you share with your partner. A trilogy engagement ring is a timeless symbol of the journey you and your partner have shared as the three gemstones of this ring style represent the past, present, and future. An oval diamond engagement ring is flattering and contemporary, perfect for those who love the curved edges and sparkle of a round cut diamond but want something a little more unique. We’ve curated a selection of our most unique and non-traditional engagement rings to help you find something unexpected and alternative.

Clock

Unique 18k White Gold Oval Diamond Trilogy Engagement Rings

We want the process of finding a ring to be a creative act, one that gets to the heart of what makes your love unique. Our collection of engagement rings features a diverse range of styles, metals, and ring shapes, making it easy for you to feel confident that you’ve found ‘the one’.

White gold engagement rings are second to none when it comes to classic romance. Refined and bright, unique trilogy engagement rings look their best set in white gold as this precious metal can bring light and detail to each handcrafted design feature. Ideal for intricate metal work such as milgrain and filigree, 18k white gold is perfect for the romantics at heart.

Sometimes referred to as a trinity engagement ring or three stone engagement ring, a trilogy engagement rings feature three gemstones or diamonds, each one representing the past, present, and future. It’s their symbolic nature that makes hearts fall for a white gold trilogy engagement. With three centre stones, a unique trilogy engagement ring has a bold presence, filled with all the light of your love.

The second most popular diamond shape for unique trilogy engagement rings is the oval diamond. We adore the way this shape brings all of the curving lines and internal fire of a round diamond, while still offering something unique. Our curated selection of unique oval diamond trilogy engagement rings are especially flattering as the elongated shape of the oval diamond moves with the natural line and curve of your hand.

When you find the love of your life, you know there’s nothing else like it on earth. Unmatched and one of a kind, the bond you share is unique in ways known only to the two of you—so why not choose a unique white gold trilogy engagement ring that feels the same? Our unique engagement ring designs celebrate the original and unexpected through diamond clusters, asymmetrical designs, and pavé styles like you’ve never seen before. Far from trendy, these handcrafted rings take timeless designs and turn them into something that’s uniquely yours.

This website uses cookies. For more information, please read our cookies policy.

Dismiss