Concierge Prodiam replies within four business hours, Mon–Fri. Insured overnight delivery across South Africa, and insured worldwide dispatch.

A diamond bridal set, engagement ring with matching wedding band

Why a matching bridal set benefits from design coordination

An engagement ring and a wedding band that were not designed together usually do not sit flush against each other. The band has to be modified, set with a notch, partially set with diamonds, or worn with a spacer. Sometimes none of those is satisfactory, and the engagement ring lives on one hand and the wedding band on the other.

Designing the set together solves this in three ways. First, the band is shaped to follow the engagement ring’s under-rail so they sit flat in profile. Second, the metal alloy and finish is matched so the two pieces age the same way over decades. Third, the stacking height, finger comfort, and future-stackability with an eternity ring on a milestone anniversary are designed in, not retrofitted.

The brief

  • The engagement-ring direction: solitaire, three-stone, halo, hidden halo, bezel, east-west, cathedral. Reference imagery welcome.
  • Centre-stone direction (shape, carat range, colour range, clarity range, budget), or, if you already have a stone, the GIA report.
  • The wedding-band direction: plain band, half-eternity, full-eternity, contoured, fitted, milgrain, hand-engraved. Wider, thinner.
  • Metal across both pieces: platinum, 18 kt white / yellow / rose, or a deliberate mixed-metal approach (e.g. yellow band, white engagement).
  • Lifestyle: active hands or careful hands; will the band ever come off (e.g. for surgery, sport, work)?
  • Wedding date for the deadline. Proposal date for the engagement-ring deadline.
  • Budget band, ideally split between centre stone, engagement setting, and wedding band.

The process

  1. Wk 1-2

    Joint brief

    Both pieces designed to one brief. Couples are welcome at this session. Solo briefing fine where the proposal is the surprise.

  2. Wk 2-3

    Centre-stone selection

    Shortlist of three to five candidate stones if you do not already own one. Side-by-side at the viewing room or video viewing.

  3. Wk 3-5

    CAD & coordination

    2D sketches, then a paired CAD render of engagement and band together, front, side, top stack views. Up to two revisions on each piece.

  4. Wk 5-9

    Engagement ring manufacture

    Bench work on the engagement ring first. Aim is delivery 2-3 weeks before the proposal date.

  5. Wk 9-11

    Wedding band manufacture

    Once we have the wearer’s actual finger size post-proposal (rings often need a half-size adjustment after a few weeks of wear), we cut the band to fit the engagement ring exactly.

  6. Wk 11-12

    Hand-over

    Bedfordview hand-over or insured courier. Both pieces presented together; final stack-fit check; manufacturing-defect guarantee on both pieces.

Price

Bridal Set Design starts at R 32,000 design and bench, exclusive of centre stone and metal weight. Typical complete commissions, including a GIA-Excellent engagement-grade centre stone in the 0.70-1.20 ct band, sit in the R 75,000, R 220,000 range. Larger centre stones push higher.

We quote in writing after the brief, with the centre stone, the engagement setting, and the wedding band as three separate line items so you can adjust the balance.

What is included

  • Centre-stone shortlist of 3-5 candidate stones (no obligation to select from the first round).
  • Up to two CAD revisions on each piece (engagement and band).
  • Standard sizing (±2 sizes) on both pieces, included.
  • One round of post-proposal sizing on both pieces (commonly a half-size up after the engagement is worn for a few weeks).
  • 24-month manufacturing-defect guarantee on both pieces.
  • Insured national dispatch (international quoted on the brief).
  • Year-one complimentary inspection, prong-check, clean for both pieces.

Considerations we flag in every bridal brief

  • Stackability with future eternity bands. A milestone-anniversary eternity ring is far easier to design later if the engagement and band were designed to accommodate it from the start. We sketch the future stack even when it is not part of the current commission.
  • Active hands. If the wearer rides, climbs, lifts, gardens, or works with their hands, we will design lower-profile claws, tighter bezels, and deeper-seated centre stones. We will tell you which designs are not advisable.
  • The take-it-off question. Some careers and surgical procedures require ring removal. We design for ease of resizing if the ring is going to be off and on for years.

Diamond bridal sets, common questions

What is a bridal set?

A bridal set is an engagement ring and a wedding band designed and made as one piece, in the same metal lot, so they sit flush, stack correctly and age the same way over decades. At Prodiam an optional eternity band for a milestone anniversary is designed in from the start too. It is the alternative to buying an engagement ring and later trying to find a band that happens to fit it.

Do you make matching wedding and engagement rings in South Africa?

Yes. A matching diamond bridal set is one of our productised commission services, designed and manufactured on the bench in Bedfordview, Johannesburg. The band is shaped to follow the engagement ring’s under-rail so the two sit flat in profile, the alloy and finish are matched so they wear evenly, and stacking height and finger comfort are designed in rather than retrofitted.

Can I order the bridal set as one piece, or add the band later?

Either way. Many couples commission the engagement ring first for the proposal and complete the wedding band afterwards, once the wearer’s actual finger size has settled (rings often need a half-size adjustment after a few weeks of wear). Because the original CAD file is kept on record, a band added later still matches the engagement ring exactly. The full set is designed to one brief from the outset.

How long does a diamond bridal set take, and what does it cost?

Bridal Set Design runs about 8 to 12 weeks: joint brief, centre-stone selection, paired CAD of ring and band, then engagement ring first and the wedding band after the proposal. Pricing is on application, quoted in writing after the brief with the centre stone, engagement setting and wedding band shown as three separate line items so you can adjust the balance.

Are the diamonds natural, and is the set GIA-graded?

Natural diamonds only. Prodiam is a natural-only house and the engagement centre stone is GIA-graded, cut to GIA Excellent cut grade at Procut DCW. Calibrated stones on the wedding or eternity band are matched on the bench. Both pieces carry a 24-month manufacturing-defect guarantee, a year-one complimentary inspection, and jewellery-grade insured nationwide delivery.

Brief us on a bridal set

Brief us on a bridal set See all commission services →