Shown in 1.0 carat Green Emerald
Shown in 1.0 carat Green Emerald* The Allison Round Green Emerald Engagement Ring | Lisa Robin
Shown in 1.0 carat Green Emerald
Shown in 1.0 carat Green Emerald* The Allison Round Green Emerald Engagement Ring | Lisa Robin
Shown in 1.0 carat Green Emerald
Shown in 1.0 carat Green Emerald* The Allison Round Green Emerald Engagement Ring | Lisa Robin
Shown in 1.0 carat Green Emerald
Shown in 1.0 carat Green Emerald* The Allison Round Green Emerald Engagement Ring | Lisa Robin
Shown in 1.0 carat Green Emerald* The Allison Round Green Emerald Engagement Ring | Lisa Robin
Shown in 1.0 carat Green Emerald* The Allison Round Green Emerald Engagement Ring | Lisa Robin
Shown in 1.0 carat Green Emerald* The Allison Round Green Emerald Engagement Ring | Lisa Robin
Shown in 1.0 carat Green Emerald* The Allison Round Green Emerald Engagement Ring | Lisa Robin

The Allison Solitaire Green Emerald Engagement Ring

The Allison is a solitaire designed to let color do the work of ornament. Where most colored gemstone settings add accents around the center, the Allison subtracts them — the band tapers inward toward the prongs, and nothing else competes with the emerald.
$ 2,095.00
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How does the Allison differ from a typical emerald engagement ring?

The Allison is an emerald solitaire engagement ring composed by subtraction. The tapered band narrows toward four rounded prongs that hold the emerald clean above the metalwork; nothing else competes with the center. Choose the Allison when the emerald you have chosen carries the design without needing accent geometry around it.

Why does the Allison taper the band toward the setting?

The Allison's band tapers from full width at the back down to a narrower point where it meets the four prongs holding the emerald. The taper draws the eye inward toward the center and keeps the proportions delicate around the setting so the emerald reads larger by contrast.

How do I choose between a solitaire and a side stone emerald engagement ring?

A solitaire emerald engagement ring lets the color of the center carry the entire design — no accent stones competing for attention. A side stone or halo emerald engagement ring frames the center with accent diamonds that add sparkle and visual weight. The choice depends on the emerald itself: a deeply saturated, well-cut center often holds its own as a solitaire, while a paler or smaller stone benefits from the brilliance of accents around it.

Our guided approach to customizing each ring with intention and clarity.

Every Lisa Robin ring is made to order, which means your design can be thoughtfully refined—even when ordering online. Whether you’re adjusting a detail or evolving the design, we guide you through each decision to ensure the final piece feels cohesive and entirely yours.

Design Refinements can be explored after your initial order, with any pricing adjustments clearly outlined and approved before crafting begins.

Refinement options include but are not limited to:

  • Adjusting the width or taper of the band (shank)
  • Modifying or adding side diamonds for additional detail or presence
  • Changing the prong style (claw, round, double prong, etc.)
  • Adjusting the number of prongs for both aesthetic and structure
  • Refining the basket design for a different profile or overall look
  • Selecting your preferred metal type and color
  • Adapting the design to better coordinate with a wedding ring
Made to order — Your diamond engagement ring ships in 3-4 weeks, approximately Jun 30 to Jul 04
Shipping costs calculated at checkout

Subtraction as a Design Choice

Subtraction is a design choice. The Allison works by what isn't there.

The emerald at the center carries the rest of the design's color responsibility. Emeralds come in a remarkable range — garden green through forest green to the most prized deep velvety green of Colombian origin, often with characteristic inclusions that gemologists call jardin — a garden visible inside the stone. A colored gemstone engagement ring with an emerald center is as much about which emerald as about which setting: a garden green reads vivid against yellow gold, a forest green deepens against white gold, a Colombian green reads classic against rose. Emerald is softer than sapphire (7.5-8 Mohs) and naturally inclusion-rich, which makes the protective setting style here important — bezels, halos, and side accents shield the corners and crown from wear. Most couples come to an emerald engagement ring expecting one color and leave open to the range.

On the hand, the Allison reads as architecture in service of color — the tapered line concentrates attention on the center emerald, and the absence of ornament keeps the eye from wandering. The Allison joins a Lisa Robin tradition of solitaire engagement rings designed for couples who choose by hue, not by halo.

The Allison Solitaire Green Emerald Engagement Ring
The Allison Solitaire Green Emerald Engagement Ring

Design Process

The Lisa Robin Engagement Ring Design Experience

A thoughtful process designed to bring clarity and confidence to the creation of your ring.

Online Ordering

Begin your custom engagement ring through a guided online experience designed to bring clarity to each decision. From understanding diamond shapes to exploring engagement ring settings, the process is supported by in-depth educational resources throughout the site.

If you’d like to personalize your design, you can place your order at any time—we’ll follow up to refine the details and ensure everything aligns with your preferences.

Private Design Appointments

For a more collaborative experience, work with us one-on-one, either in person or virtually. Your engagement ring consultation is tailored to you—we guide you through each decision in real time, shaping your diamond engagement ring with clarity and intention.

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

As you explore your engagement ring, you can review available diamonds by shape, proportions, and overall presence to select the one that best complements your design.

This approach gives you access to a broader range of diamonds, allowing your selection to align more precisely with your design, priorities, and budget.

We guide you through how each diamond interacts with your setting—so the final engagement ring feels balanced, intentional, and cohesive.

Both natural and lab-grown diamonds are available, giving you the flexibility to choose what feels right for you.

Before your ring is hand-crafted, you’ll review detailed CAD renderings created using your diamond’s exact dimensions.

Multiple views allow proportions, balance, and design details to be carefully considered—so you can feel confident in how your engagement ring design will come together before crafting begins.

If a wedding ring is selected within the same order, renderings will also show each ring individually and together, helping you understand how they pair and flow as a set.

Once your design is approved, your ring is hand-crafted specifically for you using carefully selected materials and ethically sourced diamonds.

Each ring is a made to order engagement ring, typically completed in approximately three weeks.

You can choose secure, fully insured shipping or private studio pickup. Throughout the process, we remain available to guide you—so you always know what to expect at every stage.

What our customers say about their Lisa Robin Engagement Rings

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

Find Your Matching Wedding Band

From the bottom the stack is styles with the Jamie gold band, the Allison engagement ring, and the Kendall to cap it off.

Diamond Wrap Ring - Lisa Robin
Double Row Open Ring - Lisa Robin

Frequently Asked Questions About Gemstone Engagement Rings

The most durable and traditional choices are sapphire, ruby, and moissanite — all 9 or above on the Mohs hardness scale, which handles everyday wear without protective settings. Emerald, aquamarine, and morganite (7.5-8 Mohs) are slightly softer and read best in bezels, halos, or settings with side accents that shield the stone.
Start with the color you want to see on your hand every day. From there, consider hardness for your lifestyle — sapphire and ruby for hands-on daily wear, softer beryls (emerald, aquamarine, morganite) for protective settings. Symbolism is the third filter: each gemstone carries centuries of meaning, and the right one often resonates without needing to be argued for.
Yes — when matched to the right setting. Sapphire and ruby (Mohs 9) handle anything. Emerald, aquamarine, and morganite (Mohs 7.5-8) are best protected by bezels, halos, or settings that shield the corners and crown. The setting style matters as much as the stone choice for softer gemstones.
Sapphire — especially blue sapphire — is by far the most chosen colored gemstone for engagement rings, in part because it shares diamond's hardness and in part because of its long association with royalty and lasting commitment. Emerald and ruby follow, with morganite gaining popularity in the past decade for its romantic blush and rose gold pairing.
It depends on the gemstone, the quality, and the origin. Lab-created sapphires, rubies, and moissanites can cost a fraction of a comparable diamond. Fine natural Kashmir sapphires, Burmese rubies, and Colombian emeralds can match or exceed diamond pricing per carat. Aquamarine and morganite typically come in well below diamond pricing across the board.
Sapphire signifies loyalty and wisdom. Ruby signifies passion and vitality. Emerald signifies renewal and heart-centered love. Aquamarine signifies clarity and harmony. Morganite signifies compassion and unconditional love. Moissanite, the newest of the six, carries no ancient symbolism but is often chosen for its conscious origins and accessibility.
Daily wear is fine for harder stones (sapphire, ruby, moissanite) and acceptable for softer ones (emerald, aquamarine, morganite) when set protectively. Remove your ring before heavy manual work or chemicals. Clean with warm soapy water and a soft brush. Emerald specifically should never be cleaned in ultrasonic cleaners — the inclusions are fragile.
Yes. Lisa Robin offers both natural gemstones (sourced from ethical mines) and lab-created gemstones with identical chemistry and durability. Natural stones carry origin stories and rarity premiums; lab-created stones offer larger size or higher saturation for the same budget. Each gem in this collection can be sourced either way.
It depends on the gemstone's color. Cooler stones (blue sapphire, aquamarine, deep emerald) read classic against white gold and platinum. Warmer stones (yellow sapphire, ruby, peach morganite) glow against yellow gold. Pink and peach stones warm against rose gold. The metal frames the color — every combination shifts the stone.
Approximately 3-4 weeks from final design approval. Every Lisa Robin colored gemstone engagement ring is made to order — there is no warehouse inventory. The timeline is the same whether you choose a signature design or a fully custom piece.