Tru Diamonds Discount Codes
10 active
up to £140 off
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Tru Diamonds savings snapshot
Discounts from 10% to 60% off, or £10 to £140 off
10 codes · 8 deals
Latest added 1 day ago
11 expiring soon
Expired Tru Diamonds Codes
These have passed their expiry date but may still work at checkout.
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Likely expired on: 31st Dec 2025
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Likely expired on: 20th June
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Likely expired on: 31st Dec 2025
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Likely expired on: 28th February
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Likely expired on: 12th Jul 2025
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Likely expired on: 20th June
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Likely expired on: 20th June
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Likely expired on: 24th Oct 2025
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Likely expired on: 20th June
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Likely expired on: 20th June
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Likely expired on: 28th February
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Tru Diamonds market overview
The UK simulated and fashion fine jewellery market sits in an interesting structural position - squeezed between genuine fine jewellery on one side and fast-fashion accessories on the other. Tru Diamonds occupies a defensible middle tier: premium enough to feel like a considered purchase, affordable enough to avoid the emotional weight of a significant financial commitment. Main competitors include other simulant-focused online retailers as well as the lower end of established high-street brands, though none of them map perfectly onto what Tru Diamonds is doing. The closest analogue internationally would be Cubic Zirconia-focused US brands, though the UK market has distinct sizing and taste preferences.
Average order values in this category tend to cluster in the £50-£150 range for online-only simulant retailers, with gifting occasions driving a disproportionate share of revenue. Repeat purchase rates are meaningful but not as high as consumable categories - jewellery buyers often return for gifts or seasonal purchases rather than through habitual replenishment. This makes promotional mechanics, particularly email-driven discounts and seasonal sale events, central to the acquisition model. The current density of active codes - 18 vouchers and 43 deals - reflects a brand that leans heavily on promotional pricing rather than holding firm on RRP.
Channel mix for a brand like Tru Diamonds skews strongly towards direct-to-consumer online, supplemented by comparison and voucher-code traffic. There's no significant wholesale or retail-partner presence to speak of, which keeps margins cleaner but limits discovery. Social media and gifting-occasion search traffic are likely meaningful acquisition channels. The promotional cadence - with discounts ranging from 10% to 70% - suggests a tiered strategy designed to capture both casual browsers and deal-motivated buyers, with the 50% tier doing the heaviest lifting in volume terms.
About Tru Diamonds
Tru Diamonds sells simulated diamond jewellery - rings, earrings, necklaces, bracelets, and the occasional gift set - at prices substantially below what you'd pay for the real thing. The core proposition is straightforward: lab-created stones that look the part, set in sterling silver or gold-plated metal, aimed at people who want the aesthetic without the insurance premium. Whether that appeals to you probably tells you whether this brand is worth your time.
In practice, shopping here is easy enough. You browse by category or stone type, choose your size (rings come in a range of standard UK sizes), and check out. The site is functional rather than glamorous, which is fine. What matters more is that the product photography is reasonably honest about scale - something not every jewellery retailer can claim.
The quality ceiling is real, and you should know it going in. Simulated diamonds are not lab-grown diamonds, and they're certainly not mined stones. They catch the light convincingly and photograph well, but a gemologist - or someone who simply knows - will spot the difference. Tru Diamonds is transparent about this, which is more than can be said for some competitors in the simulant space. If you're buying a gift for someone expecting the real thing, this is not the place.
Where it genuinely competes is on value and variety. Against high-street chains, the price difference at the top end of the range is significant. Against other simulant retailers - think Diamonfire or similar - Tru Diamonds holds its own on selection, though the brand recognition gap remains wide. It doesn't have the retail presence of a Pandora or a Thomas Sabo, which for some shoppers is a minor concern and for others is precisely the point.
There's no formal loyalty programme worth writing home about, but the promotional cadence is active. Right now there are 18 active voucher codes and 43 deals listed, with discounts ranging from 10% up to 70% off. The most common discount tier sits at 50%, which on a mid-range piece can represent a meaningful saving. The newsletter reportedly carries codes, so signing up is a low-effort move if you're not in a hurry.
Delivery is where things get mildly complicated. Standard delivery is available, and free postage thresholds appear regularly as part of promotions - several of the current offers bundle free postage with a monetary discount, which is worth factoring into your basket planning. Express options exist but carry a charge. Nothing unusual for the category, but worth checking the current terms before you commit.
The honest verdict: Tru Diamonds makes most sense for people buying statement pieces they'll wear regularly but don't want to stress about losing, or for anyone who finds the ethics of mined diamonds reason enough to look elsewhere. It's not for engagement rings where the recipient expects provenance documentation. It is for anyone who wants a decent-looking piece at a rational price and isn't trying to impress a jeweller.
How to use a Tru Diamonds discount code
- Browse to trudiamonds.com and add the items you want to your basket. Some codes have minimum spend requirements, so check the terms before you start - it saves the mild annoyance of building a basket only to find the code doesn't apply.
- Head to your basket or proceed to checkout. The promo code field typically appears at the basket stage, usually labelled something like 'discount code' or 'promo code' - it's not always immediately obvious, so scroll down if you don't see it straight away.
- Type or paste your code exactly as shown. Capitalisation occasionally matters, and extra spaces will break it. If you're copying from a browser, double-check you haven't accidentally grabbed a trailing space.
- Hit the 'Apply' button. The discount should update immediately in your order summary. If the total doesn't change, the code hasn't applied - don't assume it's been registered silently.
- Complete your purchase as normal. If the code still isn't working, check the expiry, confirm you've met any minimum spend, and make sure the items in your basket are eligible. Some codes exclude sale items or specific product lines.
Tru Diamonds shopping tips
- Target the 50% off tier first. With the most common discount sitting at 50%, it's worth checking whether a current code gets you to that level before settling for a smaller percentage off. The difference on a ring that retails at £80 or more is not trivial.
- Bundle the free postage deals. Several current offers combine a flat monetary discount with free postage. If you're spending enough to qualify, these compound nicely - always worth comparing against a straight percentage-off code on the same basket.
- Watch the seasonal sale windows. Like most UK jewellery retailers, Tru Diamonds tends to push harder promotions around Valentine's Day, Mother's Day, Black Friday, and Christmas. If your purchase isn't urgent, timing it to one of these windows can make the 70% end of the discount range more accessible.
- Sign up for the newsletter before you buy. New subscriber codes are common in this category, and Tru Diamonds uses email as a meaningful discount channel. If you're planning a larger order, registering a few days early and waiting for a welcome offer is a low-risk way to save.
- Check ring sizing carefully before ordering. Returns on resized or incorrectly sized jewellery can be slow and occasionally costly. Tru Diamonds provides a sizing guide - use it, or get measured at a high-street jeweller first. It's five minutes well spent.
- Read the stone description honestly. The listings distinguish between different simulant types and metal grades. Gold-plated pieces will wear differently over time compared to sterling silver. If longevity matters, go for the silver base and budget for occasional re-plating if you want the gold finish.
- With 43 deals currently active alongside 18 voucher codes, don't just grab the first code you see. A few minutes comparing the available offers - particularly whether a percentage or a flat amount works better for your basket size - is usually worth it.
Tru Diamonds promotions FAQs
Yes, quite actively. There are currently 18 active voucher codes and 43 deals listed for Tru Diamonds, with discounts ranging from 10% to 70% off. The most common discount tier is 50% off, which on a mid-range piece represents a genuine saving rather than a token reduction. Codes tend to cover a mix of percentage discounts and flat monetary amounts, with several bundling free postage alongside the price reduction. The promotional activity is consistent enough that you'd rarely need to pay full price if you're prepared to spend a moment checking what's available before checkout.
Tru Diamonds does not appear to run a formally advertised NHS discount programme at the time of writing — there's no dedicated NHS offer listed in the current promotions. That said, the brand's general promotional codes are broadly available and don't require proof of profession to use, so NHS staff can still access the same discounts as any other customer. If you're an NHS worker hoping for a specific scheme, it's worth checking the Tru Diamonds website directly or contacting their customer service team, as these programmes can be added or removed without much fanfare.
There's no confirmed dedicated student discount — Tru Diamonds doesn't appear to partner with Student Beans, UNiDAYS, or similar platforms in any officially listed capacity right now. Students can, however, make use of the general voucher codes on this page, where discounts of up to 70% off are available and no student verification is required. It's always worth double-checking the Tru Diamonds site directly, as brand partnerships with student discount platforms do occasionally appear and disappear without much notice.
Free delivery isn't a standing blanket offer, but it appears regularly as part of promotional bundles. Several current deals combine a flat monetary discount with free postage, which effectively gives you both if your order qualifies. There's typically a minimum spend threshold attached when free postage is promoted. Standard delivery otherwise carries a charge, and express or next-day options cost more. Before finalising your order, it's worth checking whether a free postage deal applies to your basket size — the combined value can make a meaningful difference on smaller orders.
Add your items to the basket on trudiamonds.com, then look for the promo or discount code field — it usually appears on the basket page before you reach the payment stage. Paste your code exactly as shown, being careful to avoid trailing spaces, then click the Apply button. Your order total should update immediately to reflect the discount. If it doesn't change, the code hasn't applied — check the expiry date, confirm you've met any minimum spend requirement, and verify that your chosen items are eligible. Some codes exclude sale items or specific product categories.
The most common reasons are: the code has expired, your basket doesn't meet the minimum spend threshold, or the items in your basket are excluded from the promotion — sale items are frequently ineligible for additional codes. It's also worth checking that you've copied the code correctly, without extra spaces or characters. Occasionally a code is single-use and has already been redeemed. If you've ruled all of that out and it still won't apply, Tru Diamonds' customer service team should be able to confirm whether the code is still valid or suggest a working alternative.
Generally, most retailers in this category only allow one discount code per order, and Tru Diamonds follows that standard approach — you can't stack two percentage-off codes or combine a monetary discount with a separate percentage code at checkout. However, some promotions that bundle free postage with a monetary discount are structured as a single offer rather than two separate codes, so you can effectively benefit from both in one go. Read the individual offer terms carefully before checkout to understand exactly what each code includes.
Tru Diamonds does appear to use email sign-up as a route to first-order discounts, which is fairly standard practice in online jewellery retail. If you're buying for the first time, registering for the newsletter before completing your purchase is a reasonable first step — welcome codes sometimes land within minutes. Beyond that, the general voucher codes on this page are available to new and returning customers alike, with no account requirement to apply them. If there's a specific new-customer code running, it would appear in the listings above.
The promotional calendar in jewellery retail is fairly predictable: Valentine's Day, Mother's Day, Black Friday, and the pre-Christmas period tend to produce the sharpest discounts. At those points you're most likely to see the upper end of the discount range — closer to 70% off rather than the standard 10-15%. If your purchase isn't time-sensitive, holding off until one of those windows is a reasonable strategy. That said, with 43 active deals running at any given time, the 50% tier — the most common discount level — is usually accessible outside peak sale periods too.
Yes, Tru Diamonds runs seasonal promotional events in line with the wider retail calendar — Black Friday, Valentine's Day, and the Christmas period are the most significant. These tend to be when the deeper discounts at the higher end of the range (up to 70% off) become more accessible. Outside these events, the brand maintains a fairly consistent promotional presence with active codes and deals running year-round, so the difference between sale and non-sale periods is sometimes one of depth rather than availability. Checking the listings before gifting occasions is particularly worthwhile.
No — Tru Diamonds sells simulated diamond jewellery, not mined or lab-grown diamonds. The stones are synthetic simulants designed to replicate the look and light performance of diamonds at a significantly lower price point. The brand is transparent about this, which matters. Simulated diamonds are not the same as lab-grown diamonds, which have the same chemical composition as mined stones. If you need a stone with a grading certificate or provenance documentation — for an engagement ring, say — this isn't the right retailer. If you want a convincing aesthetic at a fraction of the cost, it's a reasonable option.
Tru Diamonds offers a returns window in line with standard UK consumer rights, though the specific terms — including the exact number of days and any conditions on worn or resized items — are best confirmed directly on their website before purchasing, as these details can change. As a general rule with jewellery retailers, unworn items in original packaging are far easier to return than worn pieces, and personalised or resized orders may be non-returnable. If you're buying as a gift and unsure of the recipient's ring size, it's worth checking the returns and exchange policy explicitly before ordering.
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The best Tru Diamonds discounts typically offer between 10% and 60% off. Check back regularly as new codes are added frequently.
Reviewed by 
Jon Pope ChMC, CodeHut Editor · Last checked 1 week ago
Last updated:
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