The Mercer Half Eternity Emerald Cut Diamond Wedding Ring - Lisa Robin
The Mercer Half Eternity Emerald Cut Diamond Wedding Ring - Lisa Robin
The Mercer Half Eternity Emerald Cut Diamond Wedding Ring - Lisa Robin
The Mercer Half Eternity Emerald Cut Diamond Wedding Ring - Lisa Robin
The Mercer Half Eternity Emerald Cut Diamond Wedding Ring - Lisa Robin
Shown in 1.65 Total carat Weight
Shown in 1.65 Total carat Weight * The Mercer Half Eternity Emerald Cut Diamond Wedding Ring | Lisa Robin_total_carat_weight-1.65-cttw
The Mercer Half Eternity Emerald Cut Diamond Wedding Ring - Lisa Robin
Shown in 1.65 Total carat Weight
Shown in 1.65 Total carat Weight * The Mercer Half Eternity Emerald Cut Diamond Wedding Ring | Lisa Robin_total_carat_weight-1.65-cttw
Shown in 1.65 Total carat Weight
Shown in 1.65 Total carat Weight * The Mercer Half Eternity Emerald Cut Diamond Wedding Ring | Lisa Robin_total_carat_weight-1.65-cttw
Shown in 1.65 Total carat Weight
Shown in 1.65 Total carat Weight * The Mercer Half Eternity Emerald Cut Diamond Wedding Ring | Lisa Robin_total_carat_weight-1.65-cttw
The Mercer Half Eternity Emerald Cut Diamond Wedding Ring - Lisa Robin
The Mercer Half Eternity Emerald Cut Diamond Wedding Ring - Lisa Robin
The Mercer Half Eternity Emerald Cut Diamond Wedding Ring - Lisa Robin
The Mercer Half Eternity Emerald Cut Diamond Wedding Ring - Lisa Robin
The Mercer Half Eternity Emerald Cut Diamond Wedding Ring - Lisa Robin
The Mercer Half Eternity Emerald Cut Diamond Wedding Ring - Lisa Robin
The Mercer Half Eternity Emerald Cut Diamond Wedding Ring - Lisa Robin
The Mercer Half Eternity Emerald Cut Diamond Wedding Ring - Lisa Robin
The Mercer Half Eternity Emerald Cut Diamond Wedding Ring - Lisa Robin
The Mercer Half Eternity Emerald Cut Diamond Wedding Ring - Lisa Robin
Shown in 2.88 Total carat Weight
Shown in 2.88 Total carat Weight * The Mercer Half Eternity Emerald Cut Diamond Wedding Ring | Lisa Robin_total_carat_weight-2.88-cttw
The Mercer Half Eternity Emerald Cut Diamond Wedding Ring
The Mercer Half Eternity Emerald Cut Diamond Wedding Ring
The Mercer Half Eternity Emerald Cut Diamond Wedding Ring - Lisa Robin
The Mercer Half Eternity Emerald Cut Diamond Wedding Ring - Lisa Robin
The Mercer Half Eternity Emerald Cut Diamond Wedding Ring - Lisa Robin
The Mercer Half Eternity Emerald Cut Diamond Wedding Ring - Lisa Robin
The Mercer Half Eternity Emerald Cut Diamond Wedding Ring - Lisa Robin
Shown in 1.65 Total carat Weight * The Mercer Half Eternity Emerald Cut Diamond Wedding Ring | Lisa Robin_total_carat_weight-1.65-cttw
The Mercer Half Eternity Emerald Cut Diamond Wedding Ring - Lisa Robin
Shown in 1.65 Total carat Weight * The Mercer Half Eternity Emerald Cut Diamond Wedding Ring | Lisa Robin_total_carat_weight-1.65-cttw
Shown in 1.65 Total carat Weight * The Mercer Half Eternity Emerald Cut Diamond Wedding Ring | Lisa Robin_total_carat_weight-1.65-cttw
Shown in 1.65 Total carat Weight * The Mercer Half Eternity Emerald Cut Diamond Wedding Ring | Lisa Robin_total_carat_weight-1.65-cttw
The Mercer Half Eternity Emerald Cut Diamond Wedding Ring - Lisa Robin
The Mercer Half Eternity Emerald Cut Diamond Wedding Ring - Lisa Robin
The Mercer Half Eternity Emerald Cut Diamond Wedding Ring - Lisa Robin
The Mercer Half Eternity Emerald Cut Diamond Wedding Ring - Lisa Robin
The Mercer Half Eternity Emerald Cut Diamond Wedding Ring - Lisa Robin
The Mercer Half Eternity Emerald Cut Diamond Wedding Ring - Lisa Robin
The Mercer Half Eternity Emerald Cut Diamond Wedding Ring - Lisa Robin
The Mercer Half Eternity Emerald Cut Diamond Wedding Ring - Lisa Robin
The Mercer Half Eternity Emerald Cut Diamond Wedding Ring - Lisa Robin
The Mercer Half Eternity Emerald Cut Diamond Wedding Ring - Lisa Robin
Shown in 2.88 Total carat Weight * The Mercer Half Eternity Emerald Cut Diamond Wedding Ring | Lisa Robin_total_carat_weight-2.88-cttw
The Mercer Half Eternity Emerald Cut Diamond Wedding Ring
The Mercer Half Eternity Emerald Cut Diamond Wedding Ring
Women's Wedding Rings

The Mercer Half Eternity Emerald Cut Diamond Wedding Ring

The Mercer is a half eternity emerald cut diamond wedding ring with 1.3 carat of step-cut diamonds across the top of a 3.8mm high-profile band. A half eternity emerald cut band — geometric clarity in the visible portion, solid metal underside for resizing.
$ 2,195.00
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Color
Diamond
Total Carat Weight

The Mercer places emerald cut diamonds across the top portion of a 3.8mm high-profile band, leaving the underside in solid metal. The step-cut geometry of each emerald cut diamond reads clearly across the band — long rectangular outlines in continuous rotation across the top, producing planar brilliance rather than scintillating fire.

As an emerald cut diamond wedding ring with half eternity construction, the Mercer combines the geometric character of an emerald cut eternity band with the practical advantages of a partial band — resizing capability and reduced cost per visible diamond.

Metal Options 14K Yellow Gold, 14K White Gold, 14K Rose Gold, or Platinum. Sustainably sourced.
Setting Diamond Total Weight 1.3 carat
Setting Diamond Quality Lab grown VS-SI1, D-E-F
Style Half eternity emerald cut diamond wedding ring
Setting Prong, diamonds across top half only
Band 3.8mm
Setting Height High
Band Profile High
Crafting Time Approximately 2-3 weeks

The Mercer Half Eternity Emerald Cut Diamond Wedding Ring starts at $2,195 in 14K gold with lab grown diamonds.

Why choose a half eternity emerald cut over a full eternity band?

A half eternity ring carries diamonds across the visible top portion of the band while leaving the underside in solid metal. For emerald cut diamond wedding rings specifically, the half eternity construction lets you wear the step-cut geometric character — the same visible look as a full eternity band from the wearing angle — while preserving the option to resize the ring later and keeping the cost lower per diamond. Most buyers can't tell a half eternity from a full eternity in normal wear or photography.

What's the difference between the Mercer and the Aniston?

Both rings use prong-set emerald cut diamonds. The Aniston is a full eternity band (5 carat, diamonds around the full circumference) at 4.25mm wide. The Mercer is a half eternity ring (1.3 carat, diamonds across the top only) at 3.8mm wide. The Mercer's high-profile band gives the diamonds more visual presence per stone; the Aniston spreads more diamonds across a slightly wider band. The Mercer is resizable in the future; the Aniston is not.

What does 'high profile band' mean for a wedding ring?

Band profile refers to how high the ring sits off the finger — low, medium, or high. A high-profile band like the Mercer's 3.8mm band raises the diamonds further above the finger surface, which gives each stone more visual presence and lets more light reach the diamond from below. The trade-off is that high-profile rings sit more prominently on the finger and can catch on fabric more easily than low-profile rings. For emerald cut diamonds specifically, the high profile lets the step-cut facets read clearly from multiple angles.

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 details
  • Adding gemstones or diamonds
  • Selecting your preferred metal type and color

Made to order Ships Aug 11 to Aug 18
Shipping costs calculated at checkout

The Mercer Half Eternity Emerald Cut Diamond Wedding Ring

Half eternity is the construction that gives you the look of an eternity band with the practicality of a partial band. For an emerald cut wedding ring, that practicality matters.

The Mercer places 1.3 carat of emerald cut diamonds across the top portion of a 3.8mm high-profile band. The visible portion — the part you see when looking down at the ring — reads as a full eternity band: continuous step-cut geometry, no metal between stones. The underside stays in solid metal, which means the ring can be resized when fingers change over the years and which keeps the cost lower than a full eternity equivalent. The high-profile band raises the diamonds for more visible presence per stone. In white gold or platinum the step-cut geometry reads sharpest; in yellow gold the warm metal softens the architecture. As an emerald cut diamond wedding ring in half eternity construction, the Mercer is the practical version of an emerald cut eternity band.

The Mercer joins a Lisa Robin tradition of emerald cut diamond wedding rings designed for couples drawn to step-cut geometry and lifelong practicality.

The Mercer Half Eternity Emerald Cut Diamond Wedding Ring
The Mercer Half Eternity Emerald Cut Diamond Wedding Ring

Design Process

The Lisa Robin Wedding Band Experience

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

Our collection is intentionally edited — each wedding band design reflects a distinct point of view, with proportions and details that set it apart from what you've likely been seeing online.

When something here resonates, the decision tends to feel clear.

From there, we guide you in refining the details to align the design with your preferences.

Once you've chosen your wedding band, you'll select the core elements that define the design:

  • Metal type
  • Natural or lab-grown diamonds (if applicable)
  • Finger size
  • Optional engraving

If your wedding band will be worn alongside an engagement ring, we can help you evaluate how the proportions and overall profile will sit together and feel over time.

These decisions are focused and straightforward — so you can move forward with clarity.

If you'd like to adjust your diamond wedding ring, we guide you through a thoughtful refinement process — ensuring any changes support the overall balance and feel of the design.

Common refinements may include:

  • Adjusting band width or profile
  • Refining diamond size or spacing
  • Subtle modifications to improve pairing or wearability

Each change is considered within the context of the full design, so the final ring feels cohesive and intentional from every angle.

For custom refinements, we provide renderings for review before crafting begins — so you can move forward with complete confidence.

Every custom wedding band is hand-crafted to order based on your final selections.

  • Crafted specifically for your chosen design and refinements
  • No pre-made inventory or resizing shortcuts
  • Typical timeline: 2–3 weeks

If additional clarity is helpful before crafting begins, we can guide you through the next steps to ensure everything feels aligned.

What our customers say

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

Women's Wedding Rings — Frequently Asked Questions

The style choice flows from personal aesthetic, the engagement ring you're pairing with, and how the wedding ring should read on the hand. Modern minimal (Drew, Macey, Tanner) reads clean and refined. Vintage (Frances, Leaf and Vine, Vintage Floral) carries period design language with milgrain and floral detail. Contemporary distinctive (Vashti east-west marquise, Marlowe leaf curved) has individual character without specific period reference. Pavé bands produce continuous sparkle; eternity rings produce substantial diamond brilliance; plain gold bands let the metal be the design. Most importantly, the wedding ring should typically coordinate with the engagement ring in metal, design vocabulary, and width proportion. We discuss style during the design conversation.
Not all engagement rings need curved or chevron wedding bands. Round and oval solitaire engagement rings with standard shanks pair well with straight wedding bands. Engagement rings with low-set centers, distinctive shanks, geometric outlines, or unusual proportions often benefit from curved or contoured wedding bands that nest flush against them. Princess cut and baguette engagement rings often pair best with chevron (V-shape) wedding bands. We can assess your specific engagement ring during the design conversation — ideally with the ring on hand or with detailed photographs — and recommend whether a straight, curved, chevron, or custom contoured band fits best.
Yes, in many cases. For couples who designed their engagement ring with us, we have records of the ring's specifications (diamond size, metal alloy, band proportion, design details) and can design a wedding band that explicitly matches or coordinates. The Bellamy and Brooklyn wedding sets are examples of engagement ring + wedding band designed as a matched pair. For couples whose engagement ring is from elsewhere, we can design a wedding band that pairs visually based on photographs and specifications, though exact metal alloy or finish matching may not be possible if the engagement ring uses non-standard specifications. We discuss matching during the design conversation.
Common widths for women's wedding rings range from 1.3mm (very refined narrow accent — Frances) through 4mm (substantial). The most chosen widths are 1.5mm-2.5mm for refined design and 2.5mm-3.5mm for more substantial visual presence. The wedding band's width should typically be narrower than or equal to the engagement ring's shank width — a wider wedding band against a narrower engagement ring shank creates visual imbalance. Hand proportion also matters: smaller hands typically pair best with narrower bands; larger hands can carry wider bands proportionately. We discuss width during the design conversation based on your engagement ring and hand.
Yes. Many of our wedding ring designs come in scales suitable for both women's and men's wedding rings — the Tanner family is the clearest example, offered in five widths from 2mm to 10mm in the same design vocabulary. Couples often choose Tanner for both partners but in different widths (4mm for one, 6mm for the other). Other matched options include same-design pairs in coordinated metals, vintage-style ring pairs (one partner Frances vintage diamond, other partner plain gold), or designed pairs where each partner chooses a ring that coordinates without matching exactly. We discuss matched options during a joint design appointment or individual conversations with each partner.
Yes, with some caveats. Half eternity diamond bands and partial-diamond rings can be resized within a reasonable range (typically 2-3 sizes up or down). Plain gold rings (Tanner family) resize more easily (4-5 sizes). Full eternity rings generally cannot be resized because diamonds run around the entire circumference, preventing the cutting needed for resize work. Specific designs have specific resize characteristics — we discuss resizability during the design conversation, particularly if you anticipate finger size changes (pregnancy, weight changes, aging). For couples wanting maximum resize flexibility, half eternity, partial-diamond, or plain designs are the practical choice.
Women's wedding rings in this collection are made-to-order in approximately 2-3 weeks from when your order is placed. The crafting process includes alloying the metal, forming the band, hand-setting any diamonds, and final finishing. Eternity rings with many diamonds may take the full 3 weeks; narrow accent bands typically finish in 2 weeks. Custom women's wedding ring designs take 3-4 weeks from design approval. Interior engraving adds approximately 1 week to any timeline. For wedding date deadlines, confirm timeline during the order conversation and we'll let you know if rush options are available.
Matching diamond cut vocabulary between engagement ring and wedding band reads more coherent than mixing cuts. If your engagement ring has a round brilliant center, a wedding band with round brilliant accent diamonds reads as a coordinated pair. If your engagement ring has an emerald cut center, a wedding band with emerald cut or baguette diamonds (both step-cut) reads coordinated. If your engagement ring has a marquise center, marquise or curved wedding bands read coordinated. Mixing cut vocabularies can be intentional (round center with baguette wedding band, for example) but works best when both rings stand on their own and the contrast is deliberate. We discuss cut coordination during the design conversation.
Yes. All diamond specifications can be customized: origin (lab grown or natural), quality (standard VS-SI1 / E-F-G or higher), and in some designs, total carat weight and individual diamond size. Lab grown diamonds reduce cost approximately 40-60% compared to natural diamonds of the same specifications. For wedding bands carrying accent diamonds (most of this collection), the visual difference between lab grown and natural is undetectable. We discuss diamond customization during the design conversation based on your visual preferences and budget.
Pricing varies significantly by design, diamond count, total carat weight, diamond quality, and metal choice. Plain gold Tanner wedding bands start around $700 (2mm 14K). Narrow accent diamond bands (Frances, Macey) range $1,200-$1,800. Half eternity diamond bands range $2,000-$4,000. Full eternity rings range $3,500-$8,000+ depending on diamond size. Statement diamond wedding rings (Gabby with 0.90 carats) range $4,000+. Vintage-style and designed rings vary based on complexity. Lab grown diamonds reduce cost approximately 40-60% compared to natural. Platinum adds approximately $400 over 14K gold. Specific pricing is confirmed during the design conversation.
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