Wide Band Diamond Engagement Rings

Make a statement with wide band engagement rings set with sustainable lab grown diamonds. Discover medium to thick bands you'll fall in love with.

Wide Cathedral Ring

Regular price
$1,540+
Regular price
Sale price
$1,540 USD

Cushion Cut Wide Cathedral

Regular price
$1,540+
Regular price
Sale price
$1,540 USD

Emerald Cut Wide Cathedral

Regular price
$1,540+
Regular price
Sale price
$1,540 USD

Marquise Cut Wide Cathedral

Regular price
$1,590+
Regular price
Sale price
$1,590 USD

Pear Cut Wide Cathedral

Regular price
$1,540+
Regular price
Sale price
$1,540 USD

Wide Pave Ring

Regular price
$2,640+
Regular price
Sale price
$2,640 USD

Wide Solitaire Ring

Regular price
$1,690+
Regular price
Sale price
$1,690 USD

Radiant Cut Lab Diamond Bezel Band

Regular price
$2,590
Regular price
Sale price
$2,590 USD

Asscher Cut Wide Trellis Ring

Regular price
$1,840+
Regular price
Sale price
$1,840 USD

Emerald Cut Low Profile Wide Solitaire

Regular price
$1,590+
Regular price
Sale price
$1,590 USD

Marquise Low Profile Wide Solitaire

Regular price
$1,890+
Regular price
Sale price
$1,890 USD

Oval Low Profile Wide Solitaire

Regular price
$1,590+
Regular price
Sale price
$1,590 USD

Oval Wide Solitaire

Regular price
$1,440+
Regular price
Sale price
$1,440 USD

Marquise Cut Low Hidden Halo Wide Ring

Regular price
$1,860+
Regular price
Sale price
$1,860 USD

Pear Cut Low Hidden Halo Wide Ring

Regular price
$1,810+
Regular price
Sale price
$1,810 USD

Asscher Low Profile Wide Solitaire

Regular price
$1,840+
Regular price
Sale price
$1,840 USD

Wide band diamond engagement rings

Our wide band diamond rings collection focuses on balanced proportions, comfort, and enduring design. From clean, modern wide engagement rings to more classic thick diamond ring styles with subtle detail, each piece is designed to feel substantial without being overstated. These rings are meant to sit comfortably on the hand, hold up to everyday wear, and reflect your style in a way that feels natural and lasting. styles with subtle detail, each piece is designed to feel substantial without being overstated. 

Rings with wider bands provide extra surface area to showcase diamonds and design details that might feel too compressed on a thinner band. This makes them perfect canvases for pavé accents, channel-set diamonds, or sleek, minimalist metal finishes — all crafted to complement your lab diamond’s brilliance. And because wide bands tend to be more durable and robust than their narrower counterparts, they’re ideal for everyday wear without sacrificing refined style.

From contemporary solitaires to intricately detailed settings, our wide lab diamond rings are thoughtfully designed to flatter a range of finger sizes and personal styles. If you want your ring to make a statement while still fitting comfortably into your life, you’ll find that perfect balance here. Explore wide engagement ring designs that stand out on their own or pair beautifully with a wedding band for a cohesive set. At Plum Diamonds, we’re here to help you choose a ring that feels as good as it looks — intentional, crafted for forever.