Custom diamond rings · Hatton Garden

Harper Tait

A fourth-floor Hatton Garden suite that publishes a minimum diamond specification rather than a starting price, and holds 323 Google reviews without a single one below five star.

Location Hatton Garden, London
Appointments Appointment only
Opening hours Mon to Fri 10am to 7pm, Sat 9am to 6pm
Price range From £1,500, average about £4,000
Speciality Custom diamond engagement rings, published quality floor

4th Floor, Hatton Garden, EC1N 8AD · View on Google Maps · Visit website · 02086178810

About

A Published Quality Floor, Which Almost Nobody Does

Most jewellers tell you they sell good diamonds. Harper Tait publish the specification: every stone exceeds VS clarity and falls in the D to F colour range, with GIA certification on anything over 0.60ct. That is a materially narrower band than the trade generally commits to in writing, and it changes the nature of the conversation, because you are no longer being walked down through clarity grades toward your budget.

The trade-off is that a fixed quality floor removes an option some buyers want. Dropping to SI clarity or into the G to I colour range is a legitimate way to buy a bigger stone for the same money, and plenty of experienced buyers do it deliberately. Here that lever does not exist.

They do not publish a founding year and name no founder, claiming only a combined hundred years of experience among their craftspeople, which is worth noting given how much of the rest of their site is specific. They were a UK Jewellery Awards finalist in 2026.

They will not sell you a bigger stone by quietly moving down the clarity scale, because they have published the floor they will not go below.

London Engagement Rings
The process

A Two-Hour Consultation, Then Three to Four Weeks

The consultation runs a full two hours in a private room, covering both the collection and bespoke options. That is roughly double what most jewellers allocate, and it suits a buyer who arrives knowing little.

Made-to-order pieces are delivered in three to four weeks, and anything in stock in three to five working days, which is quick for Hatton Garden. Payment can be spread through Klarna, and returns run to 30 days free. Natural and lab-grown are offered on every piece.

Prices start at £1,500 and they state the average customer spends around £4,000. Note that this is a fourth-floor suite rather than a shopfront, so you cannot browse from the street, and it is appointment only.

What reviewers say

323 Reviews, All Five Star

Every one of the 323 reviews is five star. Nothing at four, nothing below, across eight and a half years. Eighty-six of those are from the past year, so it is a current picture and not an old reputation being coasted on.

The themes are unusually well populated for a jeweller this size. Eighty-seven reviewers mention how much the team knew, 42 describe the bespoke process, 36 talk about aftercare and resizing, and 21 say explicitly that they arrived knowing nothing and were guided through it. Ten separately mention not being pressured, and five describe handling the whole thing from overseas.

The one thing absent is any reply from the business. They respond to none of their 323 reviews. That is not a service failing in itself, but it means there is no public record of how they handle a problem, which is the one thing an unblemished review page cannot tell you.

Review figures taken from Google and checked in July 2026. We recount them monthly.

Who this suits

The Right Buyer for Harper Tait

This suits a first-time buyer who wants the quality decision taken off the table. If the prospect of being talked through clarity grades toward a compromise you cannot evaluate is what worries you, a published floor solves exactly that problem, and the two-hour consultation is built for someone starting from scratch.

It also suits anyone who needs a ring in weeks rather than months. Three to four weeks made-to-order is genuinely quick for a custom piece.

It will not suit an experienced buyer who wants to trade clarity for carat, since that flexibility is deliberately removed. Nor will it suit someone who wants to walk in off the street, as it is a fourth-floor suite and appointment only.

Our verdict

The clearest published quality standard in Hatton Garden, a two-hour consultation aimed squarely at people who do not yet know what they want, and 323 reviews without a blemish. Excellent for a first-time buyer. Less so if you want to make your own trade-offs on the stone.

Common questions

Harper Tait: Frequently Asked Questions

How much does a Harper Tait engagement ring cost?

Rings start from £1,500 and they state the average customer spends around £4,000. Prices move with the diamond market, so treat published figures as indicative.

What diamond quality does Harper Tait use?

They publish a minimum specification: every diamond exceeds VS clarity and sits in the D to F colour range, with GIA certification on stones over 0.60ct. Very few jewellers commit to a floor like that in writing.

How long does a Harper Tait ring take?

Made-to-order pieces are delivered in three to four weeks. Anything in stock ships in three to five working days. That is fast compared with most bespoke jewellers.

Can I visit Harper Tait without booking?

No. They work by appointment only from a fourth-floor suite at 6-7 Hatton Garden, so there is nothing to browse from the street. Consultations run two hours, and remote appointments by Zoom or phone are available.