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Round|Natural|IGI

1.00ct F IF Round Natural Diamond

GD • F/IF • IGI 754512149

Shape and cutting style on the report: Round brilliant

Certificate IGI 754512149

Diamond specifications and retailer prices

From £2,069 GBP
As of November 4, 2026
Save £3,350 GBP (62%) vs most expensive(unlock to see where)
20 retailers carry this diamond
Most expensive: £5,420 GBP at NZ Jewellers · As of November 5, 2026
View at NZ Jewellers

About this 1ct natural round diamond

This 1ct natural round sits in the classic one-carat band, graded F colour (colourless) and IF clarity (flawless or internally-flawless), with a standard cut grade and certified by IGI 754512149. Listed at 20 retailers as of November 4, 2026, with prices from £2,069 to £5,420, a £3,350 spread on the same certified stone. NZ Jewellers lists it at £5,420. Cut grade matters more than carat or clarity for visible brilliance. If you can shift budget toward an Excellent or Ideal cut, do it before chasing higher colour or clarity.

The 4Cs

1.00
Carat
F
Colour
IF
Clarity
Good
Cut

Specifications

CutGood
PolishExcellent
SymmetryVery Good
FluorescenceNone
Crown angle40.1°
Pavilion angle40.2°
OriginNatural
Grading LabIGI
CertificateIGI 754512149
Dimensions5.91 × 6.04 × 4.12 mm
L/W Ratio1.02
Girdle conditionFaceted
Culet sizePointed
Top View
5.91 mm6.04 mm1.00 ctF / IF
OriginNatural
CutGood
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateIGI 754512149
Side View
Table 56.0%Crown 40.1°Girdle: STK-THKPavilion 40.2°Culet: NoneDepth 68.7%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 4
Current: £2,771 GBP|Low: £1,964 GBP|High: £5,258 GBP|Avg: £2,960 GBP|-1.5%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
November 6, 2026
Retailer 12£1,972 GBP
Retailer 10£2,069 GBP
Retailer 7£2,237 GBP
Retailer 11£2,418 GBP
Retailer 2£2,510 GBP
Retailer 1£2,771 GBP
Retailer 8£2,854 GBP
Retailer 4£2,870 GBP
Retailer 6£3,544 GBP
Retailer 3£3,786 GBP
Retailer 5£3,797 GBP
Retailer 9£5,188 GBP

31 data points across 12 retailers

20 retailers£2,069 GBP to £5,420 GBP

Retailer 1
-
£1,972 GBP
Price last confirmed 7 days ago
A
Retailer 2
-
£2,069 GBP
View
A
Retailer 3
-
£2,237 GBP
View
A
Retailer 4
-
£2,418 GBP
View
A
Retailer 5
-
£2,510 GBP
View
A
Retailer 6
-
£2,737 GBP
View
A
Retailer 7
-
£2,771 GBP
View
A
Retailer 8
-
£2,854 GBP
View
B+
Retailer 9
-
£2,870 GBP
View
Final sale: no returns
B+
Retailer 10
-
£2,959 GBP
View
B+
Retailer 11
-
£3,111 GBP
View
Retailer 12
-
£3,111 GBP
View
Price last confirmed 8 days ago
B+
Retailer 13
-
£3,111 GBP
View
B+
Retailer 14
-
£3,221 GBP
View
A
Retailer 15
-
£3,544 GBP
View
B+
Retailer 16
-
£3,589 GBP
View
B+
Retailer 17
-
£3,786 GBP
View
B+
Retailer 18
-
£3,797 GBP
View
B
Retailer 19
-
£5,188 GBP
View
Most Expensive
B
NZ Jewellers
4e1a0d9e-1a11-41e1-8a3d-4602f5aa2b20 · Nov 5
£5,420 GBP
$7,254 USD
View
19 more retailers have this diamond
Prices start from £2,069 GBPSave up to £3,350 GBP

Carat Hunter is not affiliated with, endorsed by, or sponsored by any retailer listed. Retailer information is from publicly available sources and may not be current. Verify details directly with the retailer before purchasing. Return terms as we hold them. Check the retailer's own returns page before you buy.

A
1.00ct Round
£2,069 GBP