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Round|Natural|GIA

1.00ct F SI2 Round Natural Diamond

EX • F/SI2 • GIA 2567290709

Certificate GIA 2567290709

Diamond specifications and retailer prices

From £1,587 GBP
As of November 1, 2026
Save £2,542 GBP (62%) vs most expensive(unlock to see where)
20 retailers carry this diamond
Most expensive: £4,129 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 SI2 clarity (slightly-included), with a top-tier cut grade and certified by GIA 2567290709. Listed at 20 retailers as of November 1, 2026, with prices from £1,587 to £4,129, a £2,542 spread on the same certified stone. NZ Jewellers lists it at £4,129. SI-grade stones are eye-clean roughly 60 to 70% of the time at this carat range. Check the inclusion plot on the cert and ask the retailer for high-resolution video before buying.

The 4Cs

1.00
Carat
F
Colour
SI2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34°
Pavilion angle41.2°
OriginNatural
Grading LabGIA
CertificateGIA 2567290709
Dimensions6.47 × 6.50 × 3.93 mm
L/W Ratio1.00
Girdle conditionFaceted
Culet sizeNone
Key to symbols
Cloud, Feather, Crystal, Needle, Natural
Top View
6.47 mm6.50 mm1.00 ctF / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 2567290709
Side View
Table 60.0%Crown 34°Girdle: MED-STKPavilion 41.2°Culet: NoneDepth 60.6%

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 1
Current: £4,129 GBP|Low: £1,587 GBP|High: £4,442 GBP|Avg: £2,468 GBP|-7.0%
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
Retailer 15
Retailer 16
Retailer 17
Retailer 18
November 6, 2026
Retailer 9£1,587 GBP
Retailer 4£1,680 GBP
Retailer 8£1,950 GBP
Retailer 16£2,123 GBP
Retailer 7£2,125 GBP
Retailer 2£2,143 GBP
Retailer 10£2,167 GBP
Retailer 11£2,170 GBP
Retailer 17£2,188 GBP
Retailer 3£2,257 GBP
Retailer 15£2,370 GBP
Retailer 18£2,461 GBP
Retailer 12£2,732 GBP
Retailer 13£2,734 GBP
Retailer 14£2,756 GBP
Retailer 6£3,727 GBP
Retailer 5£3,752 GBP
NZ Jewellers£4,129 GBP

24 data points across 18 retailers

20 retailers£1,587 GBP to £4,129 GBP

A
Cheapest Retailer
-
£1,587 GBP
Retailer 2
-
£1,680 GBP
View
Price last confirmed 8 days ago
Retailer 3
-
£1,950 GBP
View
Price last confirmed 16 days ago
Retailer 4
-
£1,957 GBP
View
Price last confirmed 7 days ago
B+
Retailer 5
-
£2,123 GBP
View
Retailer 6
-
£2,125 GBP
View
Price last confirmed 8 days ago
B+
Retailer 7
-
£2,143 GBP
View
Retailer 8
-
£2,167 GBP
View
Price last confirmed 8 days ago
B+
Retailer 9
-
£2,170 GBP
View
B+
Retailer 10
-
£2,188 GBP
View
Final sale: no returns
Retailer 11
-
£2,223 GBP
View
Price last confirmed 10 days ago
Retailer 12
-
£2,257 GBP
View
Price last confirmed 7 days ago
B+
Retailer 13
-
£2,370 GBP
View
B
Retailer 14
-
£2,461 GBP
View
B+
Retailer 15
-
£2,732 GBP
View
B
Retailer 16
-
£2,734 GBP
View
B+
Retailer 17
-
£2,756 GBP
View
Retailer 18
-
£3,727 GBP
View
Price last confirmed 12 days ago
Retailer 19
-
£3,752 GBP
View
Price last confirmed 9 days ago
Most Expensive
B
NZ Jewellers
8ad7babf-72ca-4192-a4c6-32d59795c8b4 · Nov 5
£4,129 GBP
$5,527 USD
View
19 more retailers have this diamond
Prices start from £1,587 GBPSave up to £2,542 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
£1,587 GBP