Natural Round Diamond Prices in United Kingdom

Last updated: November 2026

By Carat Weight

Price Distribution

LowHigh

ColourFLIFVVS1VVS2VS1VS2SI1SI2I
D-E$20K$20K$17K$19K$13K$11K$9,009$6,834$5,730
F-G$10K$14K$12K$12K$15K$9,759$7,989$5,791$3,757
H-I$6,963$7,736$8,570$8,095$8,776$7,026$6,218$4,895$4,018
J-K$3,993$5,386$5,592$5,288$6,117$4,947$4,514$4,464$3,552
L-M$2,177$3,250$3,919$4,128$3,850$3,569$3,294$2,865$2,124
N+-$2,957$3,447$1,584$3,708$3,277$3,875$5,109$3,881

By Carat Weight

0.20-0.29
268,538 listings
Avg: £1,582 GBP/ct
0.30-0.49
3,476,559 listings
Avg: £1,144 GBP/ct
0.50-0.74
2,594,023 listings
Avg: £1,281 GBP/ct
0.75-0.99
671,645 listings
Avg: £1,751 GBP/ct
1.00-1.24
1,059,860 listings
Avg: £2,583 GBP/ct
1.25-1.49
152,126 listings
Avg: £3,210 GBP/ct
1.50-1.99
572,618 listings
Avg: £3,997 GBP/ct
2.00-2.49
258,756 listings
Avg: £6,110 GBP/ct
2.50-2.99
81,818 listings
Avg: £7,575 GBP/ct
3.00-3.99
97,429 listings
Avg: £9,713 GBP/ct
4.00-4.99
29,380 listings
Avg: £11,581 GBP/ct
5.00-9.99
26,677 listings
Avg: £16,023 GBP/ct
10.00+
405 listings
Avg: £12,665 GBP/ct
unknown
101,026 listings
Avg: £3,794 GBP/ct

Price by Colour & Clarity

ColourClarityListingsAvg Price/ct
D-EFL30,075£15,237 GBP
D-EI30,765£4,273 GBP
D-EIF195,547£14,779 GBP
D-ESI1386,674£6,717 GBP
D-ESI2245,874£5,096 GBP
D-EVS1479,882£9,558 GBP
D-EVS2449,213£8,542 GBP
D-EVVS1559,070£12,519 GBP
D-EVVS2422,158£14,239 GBP
D-Eother25£2,026 GBP
F-GFL2,969£7,504 GBP
F-GI45,724£2,802 GBP
F-GIF162,858£10,146 GBP
F-GSI1439,467£5,957 GBP
F-GSI2313,899£4,318 GBP
F-GVS1537,231£10,998 GBP
F-GVS2539,257£7,277 GBP
F-GVVS1454,475£8,948 GBP
F-GVVS2432,024£8,718 GBP
F-Gother49£2,658 GBP
H-IFL1,295£5,192 GBP
H-II37,206£2,996 GBP
H-IIF117,279£5,768 GBP
H-ISI1341,203£4,637 GBP
H-ISI2235,675£3,650 GBP
H-IVS1438,764£6,544 GBP
H-IVS2430,859£5,239 GBP
H-IVVS1376,311£6,390 GBP
H-IVVS2357,429£6,036 GBP
H-Iother17£2,195 GBP
J-KFL402£2,977 GBP
J-KI21,859£2,649 GBP
J-KIF58,028£4,016 GBP
J-KSI1160,195£3,366 GBP
J-KSI2116,615£3,329 GBP
J-KVS1190,538£4,561 GBP
J-KVS2159,588£3,689 GBP
J-KVVS1178,297£4,170 GBP
J-KVVS2167,136£3,943 GBP
L-MFL80£1,624 GBP
L-MI5,683£1,584 GBP
L-MIF9,655£2,423 GBP
L-MSI139,468£2,456 GBP
L-MSI228,365£2,136 GBP
L-MVS132,570£2,871 GBP
L-MVS230,987£2,661 GBP
L-MVVS130,682£2,922 GBP
L-MVVS229,314£3,078 GBP
N+I9,536£2,894 GBP
N+IF690£2,205 GBP
N+SI18,952£2,890 GBP
N+SI28,374£3,810 GBP
N+VS110,088£2,765 GBP
N+VS28,190£2,443 GBP
N+VVS14,548£2,570 GBP
N+VVS217,029£1,181 GBP
N+other717£6,262 GBP