Top 50 Diamonds by Value in United Kingdom

Our value score combines price, quality, certification and market context. These stones deliver the most per dollar across our inventory. Pricing shown in GBP.

Last updated 14 September 2026 · Based on 50 active listings ranked by value

What 'Best Value' Actually Means Here

Value score isn't just 'cheapest'. It's a composite that combines four signals: price versus peer-median for this exact shape/carat/colour/clarity bucket, our quality score, the certificate's rigour, and market context (how long this stone has been listed, how many retailers carry it, and whether price has moved recently). A stone scoring 95 on value is typically trading 15-30% below the median for its peer group with no compromise on quality.

This is the right list if your brief is 'I want to spend smart money.' We're surfacing diamonds that genuine market data says are under-priced relative to peers. Either because a retailer has unusual pricing, because the stone has been listed for a while, or because the specific spec isn't in high demand right now. Treat each entry as a starting point: click through, look at the photos, and check whether the quality holds up for you.

Value score can reward unusual specs that happen to be cheap but don't match what you want. A 1.5ct K/SI2 in 'Very Good' cut might top the value list but still not be what you're after. Always cross-check against quality score. The ideal buy has both value and quality in the top quartile.

#DiamondOriginScoreLowest Price (GBP)
11.04ct ASSCHER D VVS2lab grown92£145 GBP
21.10ct ASSCHER F VS2lab grown92£232 GBP
30.66ct ROUND D VVS1lab grown92£74 GBP
40.56ct PRINCESS D IFlab grown91£105 GBP
54.11ct ASSCHER D VVS2lab grown91£2,009 GBP
61.08ct OVAL D VVS2lab grown91£1,153 GBP
70.71ct PRINCESS D IFlab grown91£124 GBP
80.58ct PRINCESS D IFlab grown91£108 GBP
90.72ct PRINCESS D IFlab grown91£137 GBP
100.65ct ROUND D VVS1lab grown91£70 GBP
110.64ct ROUND D VVS1lab grown91£69 GBP
120.73ct ROUND D VVS1lab grown91£74 GBP
130.72ct ROUND F IFlab grown91£313 GBP
140.65ct ROUND D VVS1lab grown91£70 GBP
151.99ct RADIANT D IFlab grown91£276 GBP
160.65ct ROUND D VVS1lab grown91£70 GBP
170.65ct ROUND D VVS1lab grown91£70 GBP
180.65ct ROUND D VVS1lab grown91£70 GBP
190.64ct ROUND D VVS1lab grown91£69 GBP
200.57ct PRINCESS D IFlab grown91£98 GBP
210.54ct ROUND D VVS1lab grown91£64 GBP
220.54ct ROUND D VVS1lab grown91£64 GBP
2310.04ct ASSCHER H VVS2lab grown91£1,606 GBP
245.55ct ROUND D FLlab grown91£8,103 GBP
255.18ct ROUND D FLlab grown91£7,833 GBP
262.98ct OVAL D IFlab grown91£1,334 GBP
270.87ct EMERALD D VS1lab grown91£97 GBP
280.74ct PRINCESS D IFlab grown91£140 GBP
290.64ct ROUND D VVS1lab grown91£69 GBP
300.54ct ROUND D VVS1lab grown91£64 GBP
316.59ct ROUND D FLlab grown91£10,464 GBP
325.79ct ROUND D FLlab grown91£8,437 GBP
335.09ct ROUND D FLlab grown91£7,996 GBP
345.07ct ROUND D FLlab grown91£7,966 GBP
352.86ct ROUND D IFlab grown91£1,052 GBP
361.97ct RADIANT D IFlab grown91£232 GBP
371.24ct ROUND D IFlab grown91£151 GBP
381.24ct ROUND D IFlab grown91£151 GBP
391.04ct PEAR D IFlab grown91£128 GBP
400.74ct ROUND D VVS1lab grown91£73 GBP
410.73ct RADIANT D VVS1lab grown91£99 GBP
420.73ct PRINCESS D IFlab grown91£139 GBP
430.67ct ROUND D VVS1lab grown91£72 GBP
440.67ct ROUND D VVS1lab grown91£72 GBP
450.66ct ROUND D VVS1lab grown91£71 GBP
460.58ct PRINCESS D VVS1lab grown91£88 GBP
470.52ct PRINCESS D VVS1lab grown91£81 GBP
486.51ct ROUND D FLlab grown91£10,342 GBP
492.45ct ROUND D VVS1lab grown91£529 GBP
501.94ct RADIANT D IFlab grown91£269 GBP
Back to leaderboards
Browse top diamondsAsk Lucy

Compare prices across 100+ retailers worldwide. Find the best deal on your perfect diamond.