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Top 50 Diamonds Overall in United Kingdom

The cream of the crop across every dimension: gemological quality, value per dollar, and certification rigour rolled into one composite score. Pricing shown in GBP.

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

How to Read the Overall Leaderboard

The overall score is a 0-100 composite of three signals we already publish individually: quality (how well the stone is made), value (price versus the peer-median for its spec), and certification (how rigorous the grading lab is). A high overall score means the stone wins on all three at once, not just one. The diamonds at the top of this list are the ones the market is putting forward today as genuinely the best available.

Use this when you do not have a strong preference yet and want to see what the market is rewarding right now. The overall list mixes natural and lab-grown freely, so do not be surprised to see them side by side. If you have a hard preference for one origin, use the Natural / Lab-grown / Fancy tabs above to filter.

Composite scores hide the trade-offs. A diamond at 92 overall might be 99 quality and 85 value, or 88 quality and 96 value. Click any entry to see the full breakdown, and use the per-metric leaderboards (quality, value, certification) when you want to optimise for one axis specifically.

#DiamondOriginScoreLowest Price (GBP)
11.04ct ASSCHER D VVS2lab grown92£136 GBP
21.10ct ASSCHER F VS2lab grown92£219 GBP
30.66ct ROUND D VVS1lab grown92£70 GBP
40.56ct PRINCESS D IFlab grown91£99 GBP
54.11ct ASSCHER D VVS2lab grown91£1,891 GBP
61.08ct OVAL D VVS2lab grown91£1,085 GBP
70.71ct PRINCESS D IFlab grown91£116 GBP
80.58ct PRINCESS D IFlab grown91£102 GBP
90.72ct PRINCESS D IFlab grown91£129 GBP
100.65ct ROUND D VVS1lab grown91£66 GBP
110.73ct ROUND D VVS1lab grown91£70 GBP
120.72ct ROUND F IFlab grown91£295 GBP
130.65ct ROUND D VVS1lab grown91£66 GBP
140.65ct ROUND D VVS1lab grown91£66 GBP
150.65ct ROUND D VVS1lab grown91£66 GBP
160.65ct ROUND D VVS1lab grown91£66 GBP
170.64ct ROUND D VVS1lab grown91£65 GBP
180.57ct PRINCESS D IFlab grown91£92 GBP
190.54ct ROUND D VVS1lab grown91£60 GBP
200.54ct ROUND D VVS1lab grown91£60 GBP
2110.04ct ASSCHER H VVS2lab grown91£1,512 GBP
225.55ct ROUND D FLlab grown91£7,626 GBP
235.18ct ROUND D FLlab grown91£7,372 GBP
242.98ct OVAL D IFlab grown91£1,255 GBP
250.87ct EMERALD D VS1lab grown91£91 GBP
260.74ct PRINCESS D IFlab grown91£132 GBP
270.64ct ROUND D VVS1lab grown91£65 GBP
280.54ct ROUND D VVS1lab grown91£60 GBP
296.59ct ROUND D FLlab grown91£9,848 GBP
305.79ct ROUND D FLlab grown91£7,940 GBP
315.09ct ROUND D FLlab grown91£7,525 GBP
325.07ct ROUND D FLlab grown91£7,497 GBP
332.86ct ROUND D IFlab grown91£990 GBP
341.97ct RADIANT D IFlab grown91£219 GBP
351.24ct ROUND D IFlab grown91£142 GBP
361.24ct ROUND D IFlab grown91£142 GBP
371.04ct PEAR D IFlab grown91£120 GBP
380.74ct ROUND D VVS1lab grown91£69 GBP
390.73ct RADIANT D VVS1lab grown91£93 GBP
400.67ct ROUND D VVS1lab grown91£67 GBP
410.67ct ROUND D VVS1lab grown91£67 GBP
420.66ct ROUND D VVS1lab grown91£67 GBP
430.58ct PRINCESS D VVS1lab grown91£83 GBP
440.52ct PRINCESS D VVS1lab grown91£76 GBP
456.51ct ROUND D FLlab grown91£9,733 GBP
462.45ct ROUND D VVS1lab grown91£498 GBP
471.94ct RADIANT D IFlab grown91£253 GBP
481.91ct RADIANT D IFlab grown91£250 GBP
491.84ct ROUND D IFlab grown91£219 GBP
501.82ct ROUND D IFlab grown91£277 GBP
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