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Round|Natural|IGI

1.00ct F IF Round Natural Diamond

EX • F/IF • IGI 754512583

Shape and cutting style on the report: Round brilliant

Certificate IGI 754512583

Diamond specifications and retailer prices

From £2,740 GBP
As of November 6, 2026
Save £3,307 GBP (55%) vs most expensive(unlock to see where)
23 retailers carry this diamond
Most expensive: £6,047 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 top-tier cut grade and certified by IGI 754512583. Listed at 23 retailers as of November 5, 2026, with prices from £2,740 to £6,047, a £3,307 spread on the same certified stone. NZ Jewellers lists it at £6,047. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.00
Carat
F
Colour
IF
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.1°
Pavilion angle41.6°
OriginNatural
Grading LabIGI
CertificateIGI 754512583
Dimensions6.30 × 6.36 × 3.95 mm
L/W Ratio1.01
Girdle conditionFaceted
Top View
6.30 mm6.36 mm1.00 ctF / IF
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI 754512583
Side View
Table 62.0%Crown 35.1°Girdle: MED-STKPavilion 41.6°Culet: NoneDepth 62.2%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 6
Current: £6,047 GBP|Low: £2,740 GBP|High: £6,047 GBP|Avg: £3,718 GBP
NZ Jewellers
Retailer 2
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November 6, 2026
Retailer 2£2,740 GBP
Retailer 23£2,950 GBP
Retailer 9£3,011 GBP
Retailer 12£3,028 GBP
Retailer 13£3,092 GBP
Retailer 20£3,152 GBP
Retailer 14£3,204 GBP
Retailer 3£3,277 GBP
Retailer 7£3,291 GBP
Retailer 17£3,461 GBP
Retailer 8£3,470 GBP
Retailer 4£3,471 GBP
Retailer 5£3,471 GBP
Retailer 11£3,471 GBP
Retailer 6£3,582 GBP
Retailer 10£3,658 GBP
Retailer 19£3,864 GBP
Retailer 21£3,893 GBP
Retailer 16£4,005 GBP
Retailer 18£4,234 GBP
Retailer 15£5,335 GBP
Retailer 22£5,513 GBP
NZ Jewellers£6,047 GBP

21 data points across 23 retailers

23 retailers£2,740 GBP to £6,047 GBP

A
Cheapest Retailer
-
£2,740 GBP
A
Retailer 2
-
£2,950 GBP
View
A
Retailer 3
-
£3,011 GBP
View
A
Retailer 4
-
£3,028 GBP
View
A
Retailer 5
-
£3,092 GBP
View
A
Retailer 6
-
£3,152 GBP
View
A
Retailer 7
-
£3,204 GBP
View
Final sale: no returns
A
Retailer 8
-
£3,277 GBP
View
A
Retailer 9
-
£3,291 GBP
View
A
Retailer 10
-
£3,461 GBP
View
A
Retailer 11
-
£3,470 GBP
View
A
Retailer 12
-
£3,471 GBP
View
A
Retailer 13
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£3,471 GBP
View
Retailer 14
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£3,471 GBP
View
Price last confirmed 8 days ago
A
Retailer 15
-
£3,582 GBP
View
A
Retailer 16
-
£3,658 GBP
View
A
Retailer 17
-
£3,864 GBP
View
A
Retailer 18
-
£3,893 GBP
View
A
Retailer 19
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£4,005 GBP
View
A
Retailer 20
-
£4,234 GBP
View
B+
Retailer 21
-
£5,335 GBP
View
B+
Retailer 22
-
£5,513 GBP
View
Most Expensive
B
NZ Jewellers
a860cf71-b68f-4f0c-b0fc-1b7c51bbf4b0 · Nov 5
£6,047 GBP
$8,139 USD
View
22 more retailers have this diamond
Prices start from £2,740 GBPSave up to £3,307 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
£2,740 GBP