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)
11.30ct ROUND D FLnatural94£4,961 GBP
20.59ct ROUND E IFnatural93£660 GBP
30.58ct ROUND E IFnatural93£680 GBP
40.51ct RADIANT D VVS1natural93£376 GBP
53.20ct HEART E VVS1natural93£23,498 GBP
60.54ct ROUND E IFnatural93£639 GBP
70.51ct ROUND D FLnatural93£518 GBP
80.50ct HEART F IFnatural93£286 GBP
91.30ct ROUND E IFnatural93£5,008 GBP
100.58ct ROUND E IFnatural93£707 GBP
110.55ct ROUND E IFnatural93£688 GBP
122.71ct EMERALD G IFnatural93£15,852 GBP
131.25ct ROUND E IFnatural93£4,107 GBP
140.54ct ROUND E IFnatural93£571 GBP
150.50ct RADIANT F VVS1natural93£321 GBP
160.50ct ROUND E IFnatural93£624 GBP
170.79ct ROUND E IFnatural92£1,138 GBP
180.75ct HEART H VVS1natural92£314 GBP
190.63ct ROUND E IFnatural92£825 GBP
200.54ct ROUND E IFnatural92£683 GBP
210.52ct RADIANT F IFnatural92£380 GBP
222.00ct MARQUISE E IFnatural92£14,002 GBP
231.30ct ROUND E VVS2natural92£4,705 GBP
240.75ct ROUND E IFnatural92£1,282 GBP
250.53ct ROUND E IFnatural92£706 GBP
260.51ct RADIANT E VVS1natural92£417 GBP
272.56ct EMERALD G VVS1natural92£9,232 GBP
281.50ct PEAR D FLnatural92£7,724 GBP
290.88ct ROUND E IFnatural92£2,523 GBP
300.82ct ROUND E IFnatural92£1,880 GBP
310.75ct ROUND E IFnatural92£1,479 GBP
320.62ct ROUND E IFnatural92£815 GBP
330.60ct ROUND E IFnatural92£769 GBP
340.56ct RADIANT F VVS1natural92£351 GBP
352.10ct MARQUISE E VVS1natural92£20,187 GBP
360.84ct ROUND D IFnatural92£2,146 GBP
370.80ct ROUND E IFnatural92£1,830 GBP
380.75ct ROUND E IFnatural92£1,546 GBP
390.70ct ROUND D IFnatural92£717 GBP
400.63ct ROUND E IFnatural92£749 GBP
410.61ct HEART D VS2natural92£300 GBP
420.54ct PEAR E IFnatural92£481 GBP
430.50ct ROUND D VVS1natural92£525 GBP
440.50ct ROUND E IFnatural92£658 GBP
451.04ct ASSCHER D VVS2lab grown92£136 GBP
460.80ct CUSHION E VVS2natural92£627 GBP
470.80ct ROUND E IFnatural92£1,631 GBP
480.80ct ROUND E IFnatural92£1,887 GBP
490.77ct ROUND D IFnatural92£1,695 GBP
500.70ct ASSCHER F VVS2natural92£298 GBP
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