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 1 November 2026 · Based on 50 active listings ranked by overall
How to Read the Overall Leaderboard
The overall score is a 0 to 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.
| # | Diamond | Origin | Grade | Lowest Price (GBP) |
|---|---|---|---|---|
| 1 | 2.08ct OVAL D IF | natural | A+ | £12,029 GBP |
| 2 | 1.32ct ROUND E IF | natural | A+ | £6,123 GBP |
| 3 | 1.30ct PRINCESS D IF | natural | A+ | £7,725 GBP |
| 4 | 5.02ct ROUND E IF | natural | A+ | £114,749 GBP |
| 5 | 2.00ct MARQUISE E IF | natural | A+ | £14,106 GBP |
| 6 | 1.35ct ROUND E IF | natural | A+ | £6,448 GBP |
| 7 | 1.34ct ROUND E IF | natural | A+ | £6,423 GBP |
| 8 | 3.03ct OVAL D FL | natural | A+ | £46,514 GBP |
| 9 | 1.33ct ROUND E IF | natural | A+ | £6,598 GBP |
| 10 | 1.33ct ROUND E FL | natural | A+ | £7,652 GBP |
| 11 | 3.21ct HEART D IF | natural | A+ | £37,228 GBP |
| 12 | 1.25ct ROUND D IF | natural | A+ | £5,235 GBP |
| 13 | 1.55ct ROUND E FL | natural | A+ | £10,031 GBP |
| 14 | 1.31ct ROUND D IF | natural | A+ | £6,525 GBP |
| 15 | 0.53ct ROUND E IF | natural | A+ | £646 GBP |
| 16 | 0.53ct ROUND E IF | natural | A+ | £654 GBP |
| 17 | 0.53ct ROUND E IF | natural | A+ | £654 GBP |
| 18 | 3.15ct PEAR D FL | natural | A+ | £48,424 GBP |
| 19 | 1.62ct ROUND D IF | natural | A+ | £9,756 GBP |
| 20 | 1.51ct ROUND E IF | natural | A+ | £9,209 GBP |
| 21 | 1.01ct MARQUISE D FL | natural | A+ | £2,895 GBP |
| 22 | 0.56ct ROUND D IF | natural | A+ | £783 GBP |
| 23 | 0.53ct ROUND D IF | natural | A+ | £640 GBP |
| 24 | 0.53ct ROUND E IF | natural | A+ | £654 GBP |
| 25 | 0.52ct ROUND E IF | natural | A+ | £650 GBP |
| 26 | 6.79ct ROUND D FL | natural | A+ | £148,865 GBP |
| 27 | 1.53ct ROUND E IF | natural | A+ | £10,032 GBP |
| 28 | 1.51ct OVAL D IF | natural | A+ | £8,674 GBP |
| 29 | 1.42ct ROUND E IF | natural | A+ | £7,084 GBP |
| 30 | 1.33ct ROUND E IF | natural | A+ | £7,394 GBP |
| 31 | 1.31ct EMERALD D IF | natural | A+ | £5,941 GBP |
| 32 | 1.28ct PEAR E IF | natural | A+ | £5,025 GBP |
| 33 | 0.84ct EMERALD D IF | natural | A+ | £1,415 GBP |
| 34 | 0.52ct ROUND E IF | natural | A+ | £642 GBP |
| 35 | 0.51ct ROUND E IF | natural | A+ | £638 GBP |
| 36 | 0.51ct ROUND E IF | natural | A+ | £638 GBP |
| 37 | 10.10ct PEAR E FL | natural | A+ | £448,888 GBP |
| 38 | 4.02ct HEART D FL | natural | A+ | £81,248 GBP |
| 39 | 1.31ct ROUND D FL | natural | A+ | £6,687 GBP |
| 40 | 1.31ct ROUND E IF | natural | A+ | £7,241 GBP |
| 41 | 1.31ct ROUND D IF | natural | A+ | £7,509 GBP |
| 42 | 1.30ct ROUND D VVS2 | natural | A+ | £4,605 GBP |
| 43 | 1.30ct ROUND D IF | natural | A+ | £7,767 GBP |
| 44 | 1.01ct EMERALD E VVS2 | natural | A+ | £1,672 GBP |
| 45 | 0.62ct ROUND E IF | natural | A+ | £764 GBP |
| 46 | 0.54ct ROUND E IF | natural | A+ | £641 GBP |
| 47 | 0.53ct ROUND E IF | natural | A+ | £579 GBP |
| 48 | 0.53ct ROUND E IF | natural | A+ | £588 GBP |
| 49 | 0.51ct EMERALD E IF | natural | A+ | £449 GBP |
| 50 | 0.51ct ROUND E IF | natural | A+ | £554 GBP |
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