The Riley Marquise Side Diamond Engagement Ring

Name: The Riley Marquise Side Diamond Engagement Ring
Brand: Lisa Robin
SKU: OMI-85230
Price: 2475.0 USD
Availability: InStock
Rating: 5.0 (1 reviews)

Shown in 1.0 Carat Diamond

The Riley Marquise Side Diamond Engagement Ring

The marquise cut was created in 18th-century France, named for its resemblance to a smile and chosen specifically for its boldness. Two centuries later, the shape still carries that spirit — pointed, elongated, deliberately distinctive.

The Riley brings that quality into a marquise side diamond engagement ring where the pointed shape isn't decorative — it's the design language. A continuous flow of marquise diamonds surrounds the finger on both sides, each pointed tip drawing the eye toward your center diamond. As a side stone engagement ring with directional movement, the Riley reads as purposeful rather than uniformly bright. As a marquise accent engagement ring with shared-prong construction, the band feels like motion captured rather than diamonds simply set.

Wear it as a ring that points toward what matters. The Riley joins a Lisa Robin tradition of marquise and side stone engagement rings designed for couples drawn to expressive brilliance and purposeful design.

Design Process

The Lisa Robin Engagement Ring Design Experience

How your ring goes from your idea to the finished piece, with clarity at every step.

Online Ordering

Begin your custom engagement ring online, with guidance at each decision. Diamond shape guides, setting comparisons and education pages throughout the site help you understand every choice.

If you would like to personalize your design, place your order at any time. Lisa follows up to refine the details with you before anything is crafted.

Private Design Appointments

For a more collaborative experience, meet with Lisa one-on-one, in the studio or by Zoom. Your design appointment is shaped around you: Lisa guides each decision in real time as your diamond engagement ring takes shape.

Compare diamonds from trusted suppliers around the world through the Lisa Robin Global Diamond Collection.

Review available diamonds by shape, proportions and overall presence, and choose the one that suits your design, your priorities and your budget.

Lisa shows you how each diamond will sit in your setting, so the finished engagement ring feels balanced and intentional.

Natural and lab-grown diamonds are both available, so you can choose what feels right for you.

Before your ring is crafted, you review detailed CAD renderings made with your diamond's exact dimensions.

Multiple views let you see proportions, balance and design details, so you know how your engagement ring will come together before crafting begins.

If you add a wedding ring to the same order, the renderings show each ring on its own and both together, so you can see how they pair.

Once you approve your design, your ring is crafted by hand, made for you.

Your engagement ring is completed in 3 to 4 weeks after design approval.

Choose fully insured shipping or a private pickup at the studio. Lisa stays in touch at every stage, so you always know what comes next.

Couples Who Designed Their Engagement Rings With Lisa

I loved working with Lisa Robin! It was so easy to create exactly what I wanted. With some minor changes to Lisa's gorgeous styles, I had the perfect wedding ring to coordinate with my Lisa Robin Engagement Ring. Can’t wait to add another ring to my stack.

Abby and Zane

Blountville, Tennessee

Our experience with Lisa Robin was delightful. We found our Lisa Robin engagement ring Instagram and then picked out and bought our wedding rings online. Every question we had was answered quickly. Lisa made us feel special and guided us in the right direction. When we got our rings, they were just what we wanted, expressing our style and love perfectly. We are so happy with how everything turned out.

Mary Katherine and Adam

Columbus, Ohio

Frequently Asked Questions about Asscher Cut Diamond Engagement Rings

Asscher diamonds do not sparkle like brilliant cuts; instead, they offer broad flashes of light and a distinctive hall-of-mirrors effect that feels elegant and architectural.

Because of their deep cut, Asscher diamonds may appear smaller than round diamonds of the same carat weight, but their depth creates powerful visual drama.

Yes. The Asscher cut’s Art Deco roots make it perfect for vintage and retro-inspired designs with filigree, milgrain, and geometric detailing.

Yes. Due to their open step-cut facets, higher clarity grades such as VS1 or better are recommended for an eye-clean appearance.

Solitaires, halos, side-stone layouts, cluster designs, and east west settings all complement the structured beauty of Asscher diamonds.

Platinum and white gold emphasize clarity and architectural sparkle, while yellow and rose gold enrich vintage-inspired or retro settings.

Yes. At Lisa Robin, you can personalize every detail—from the diamond to the metal to the setting—to create a deeply meaningful ring.

Yes. Every Lisa Robin ring carries a lifetime craftsmanship warranty against crafting defects. If a defect in how your ring was crafted appears at any time, we will repair or replace it, at our option, at no charge. It covers crafting defects only, not wear and tear, accidental damage, theft, or the loss of diamonds or gemstones not caused by a defect. For care beyond the warranty, the JM Care Plan is the lifetime service option.

Back to Asscher Cut Diamond Engagement Rings

Metal Options	14K Yellow Gold, 14K White Gold, 14K Rose Gold, or Platinum. Sustainably sourced.
Setting Diamond Total Weight	0.56 carat
Setting Diamond Quality	Lab grown VS–SI1, E-F-G
Style	Marquise side diamond engagement ring
Setting	Four rounded prongs
Band	2mm
Setting Height	Medium
Band Profile	Diamond shank
Crafting Time	Approximately 3-4 weeks

The Riley Marquise Side Diamond Engagement Ring

What makes marquise side diamonds different from round side diamonds?

How does the Riley's shared-prong arrangement contribute to the design?

Why choose a directional diamond engagement ring with pointed shapes?

The Riley Marquise Side Diamond Engagement Ring

The Lisa Robin Engagement Ring Design Experience

Couples Who Designed Their Engagement Rings With Lisa

Frequently Asked Questions about Asscher Cut Diamond Engagement Rings