gemologist

Jewellery can be one of the most emotionally charged, and most commonly misvalued, parts of an estate. From inherited engagement rings to gold watches and heirloom brooches, these items often carry sentimental weight that far exceeds their second-hand market value. Unfortunately, that mismatch can cause serious issues during probate.

For tax purposes jewellery must be valued at its open market value on the date of death and not its purchase price, insurance value, or sentimental worth. For instance, a diamond ring insured for £10,000 might be worth just £3,000 on the day of death. That’s the figure HMRC cares about, and the figure that determines the inheritance tax bill.

Guesswork or overreliance on insurance appraisals can lead to families overpaying inheritance tax or facing HMRC scrutiny. Jewellery might be a small category in terms of quantity, but it’s a disproportionate source of valuation risk.

What HMRC Expects From Jewellery Probate Valuations – and What Executors Get Wrong

When valuing jewellery for probate, HMRC is clear: you must use the open market value, which is what the item would fetch if sold on the second-hand market at the date of death. This is a legal requirement under Section 160 of the Inheritance Tax Act 1984, and it applies to jewellery just as it does to furniture, art, or antiques.

Yet according to a national survey by Swift Values, most people get this wrong. Participants consistently overvalued jewellery based on insurance or retail prices. Over 90% of respondents to a survey carried out by Swift Values incorrectly valued a diamond ring for probate.  Despite being purchased for £6,250 it would be worth around £1,250 for probate purposes

Overvaluing a ring like this by £5,000 for probate purposes and the estate will have to pay £2,000 of tax (40%) for absolutely no reason.

As Katy Littler, a chartered financial planner at Swift Values, notes:

“Accurately valuing jewellery must be one of the quickest ways to save an estate hundreds, if not thousands, of pounds in inheritance tax and is actively encouraged by HMRC.”

When (and Why) You Need a Professional Valuation

Jewellery is one of the few asset categories where a single overlooked item can materially affect the estate’s tax position. That’s why HMRC’s IHT407 form specifically asks executors to list any item of jewellery valued at £1,500 or more and to enclose a professional valuation where available.

While costume jewellery and small keepsakes can be grouped, anything near or above this threshold requires closer scrutiny. That includes engagement rings, vintage gold watches, or inherited brooches, many of which may be more valuable than they appear.

A professional appraisal from an independent valuer or gemologist offers both protection and clarity. Services like Swift Values’ £25 item check let executors start small, with expert backup if needed.

Avoiding Mistakes: Sentiment, Surprises, and Scrutiny

Jewellery is uniquely prone to misjudgment, with families often assuming that emotionally significant pieces are more valuable than they are, while dismissing others that may be worth thousands. Vintage watches, antique brooches, or items from lesser-known designers can be unexpectedly valuable and should be professionally assessed.

HMRC is also alert to understatements. If an estate declares a solitaire diamond ring at £500 when comparable rings sell for £5,000 then the Shares and Assets Valuation (SAV) Team may be asked to investigate. To avoid this, executors should retain:

• Photographs of key items
• Any available gem certificates or original receipts
• Written valuations or auction comparables

Keeping the Peace: Documentation, Distribution, and Disputes

Jewellery can be incredibly meaningful and personal, making it one of the most commonly disputed asset categories in probate. Executors should keep high-value items secure and insured during the process and document any valuations clearly.

If multiple beneficiaries have an interest in a particular piece, an agreed valuation can help resolve matters fairly. One common approach is to allow a beneficiary to purchase an item from the estate (offsetting its value against their share), or to allocate pieces of similar worth across recipients.

Transparency is key when it comes to keeping beneficiaries happy. Always aim to share independent valuations with them so that everyone feels that they are being treated fairly and are involved, in turn reducing the risk of future challenges.

Get It Right the First Time

Probate valuations for jewellery require evidence, accuracy, and impartiality. Overvalue, and the estate pays more tax; undervalue, and HMRC may investigate.

Swift Values offers HMRC-compliant reports from independent experts, with a 100% acceptance rate and no sales agenda. Whether you need a quick check or a full appraisal, getting the valuation right protects both executors and beneficiaries.