CaratHunter
Plans
Round|Natural|IGI

1.05ct F SI2 Round Natural Diamond

EX • F/SI2 • IGI 560222303

Shape and cutting style on the report: Round brilliant

Certificate IGI 560222303

Diamond specifications and retailer prices

From £1,241 GBP
As of November 6, 2026
Save £1,700 GBP (58%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: £3,349 GBP at NZ Jewellers · As of September 28, 2026
View at NZ Jewellers

About this 1.05ct natural round diamond

This 1.05ct 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 IGI 560222303. Listed at 14 retailers as of November 5, 2026, with a 137% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. 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

1.05
Carat
F
Colour
SI2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceStrong
Crown angle36.2°
Pavilion angle40.6°
OriginNatural
Grading LabIGI
CertificateIGI 560222303
Dimensions6.49 × 6.46 × 4.00 mm
L/W Ratio1.00
Girdle conditionFaceted
Culet sizePointed
Top View
6.49 mm6.46 mm1.05 ctF / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceStrong
CertificateIGI 560222303
Side View
Table 59.5%Crown 36.2°Girdle: MED-STKPavilion 40.6°Culet: NoneDepth 61.7%

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 6
Current: £1,241 GBP|Low: £1,162 GBP|High: £2,434 GBP|Avg: £1,568 GBP|-1.8%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
November 6, 2026
Retailer 1£1,241 GBP
Retailer 5£1,266 GBP
Retailer 6£1,267 GBP
Retailer 8£1,334 GBP
Retailer 7£1,373 GBP
Retailer 2£1,594 GBP
Retailer 9£1,653 GBP
Retailer 3£1,863 GBP
Retailer 4£2,399 GBP

41 data points across 9 retailers

14 retailers£1,241 GBP to £2,941 GBP

A
Cheapest Retailer
-
£1,241 GBP
A
Retailer 2
-
£1,266 GBP
View
A
Retailer 3
-
£1,267 GBP
View
Final sale: no returns
A
Retailer 4
-
£1,334 GBP
View
Retailer 5
-
£1,373 GBP
View
Price last confirmed 39 days ago
Retailer 6
-
£1,373 GBP
View
Price last confirmed 36 days ago
Retailer 7
-
£1,437 GBP
View
Price last confirmed 38 days ago
Retailer 8
-
£1,585 GBP
View
Price last confirmed 38 days ago
A
Retailer 9
-
£1,594 GBP
View
A
Retailer 10
-
£1,863 GBP
View
B+
Retailer 11
-
£2,399 GBP
View
B
Retailer 12
-
£2,941 GBP
View
Retailer 13
-
£3,349 GBP
View
Price last confirmed 34 days ago
Most Expensive
NZ Jewellers
18803ad2-e4cb-4593-a7bf-0a513597ce35 · Sep 28
£3,349 GBP
$4,483 USD
View
Price last confirmed 39 days ago
13 more retailers have this diamond
Prices start from £1,241 GBPSave up to £1,700 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
1.05ct Round
£1,241 GBP