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Radiant|Natural|IGI

1.01ct I SI2 Radiant Natural Diamond

VG • I/SI2 • IGI 675551133

Shape and cutting style on the report: Cut cornered rectangular modified brilliant

Certificate IGI 675551133

Diamond specifications and retailer prices

From £920 GBP
As of November 6, 2026
Save £1,937 GBP (68%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: £2,857 GBP at NZ Jewellers · As of November 5, 2026
View at NZ Jewellers

About this 1.01ct natural radiant diamond

This 1.01ct natural radiant sits in the classic one-carat band, graded I colour (near-colourless) and SI2 clarity (slightly-included), with a very-good cut grade and certified by IGI 675551133. Listed at 16 retailers as of November 5, 2026, with prices from £920 to £2,857, a £1,937 spread on the same certified stone. NZ Jewellers lists it at £2,857. 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

1.01
Carat
I
Colour
SI2
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle39.6°
Pavilion angle38.7°
OriginNatural
Grading LabIGI
CertificateIGI 675551133
Dimensions7.31 × 4.85 × 3.37 mm
L/W Ratio1.51
Girdle conditionFaceted
Culet sizePointed
Top View
7.31 mm4.85 mm1.01 ctI / SI2
OriginNatural
CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI 675551133
Side View
Table 67.0%Crown 39.6°Girdle: MED-STKPavilion 38.7°Culet: NoneDepth 69.5%

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: £2,857 GBP|Low: £920 GBP|High: £2,984 GBP|Avg: £1,502 GBP|-4.3%
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
November 6, 2026
Retailer 8£920 GBP
Retailer 3£1,031 GBP
Retailer 6£1,080 GBP
Retailer 14£1,086 GBP
Retailer 15£1,163 GBP
Retailer 7£1,171 GBP
Retailer 12£1,171 GBP
Retailer 2£1,203 GBP
Retailer 4£1,225 GBP
Retailer 13£1,225 GBP
Retailer 11£1,272 GBP
Retailer 5£1,352 GBP
Retailer 9£1,591 GBP
Retailer 10£2,052 GBP
NZ Jewellers£2,857 GBP

44 data points across 15 retailers

16 retailers£920 GBP to £2,857 GBP

A
Cheapest Retailer
-
£920 GBP
Retailer 2
-
£1,031 GBP
View
Price last confirmed 10 days ago
A
Retailer 3
-
£1,080 GBP
View
Final sale: no returns
B+
Retailer 4
-
£1,086 GBP
View
B+
Retailer 5
-
£1,163 GBP
View
Retailer 6
-
£1,171 GBP
View
Price last confirmed 9 days ago
B+
Retailer 7
-
£1,171 GBP
View
B+
Retailer 8
-
£1,203 GBP
View
B+
Retailer 9
-
£1,225 GBP
View
B+
Retailer 10
-
£1,225 GBP
View
B+
Retailer 11
-
£1,272 GBP
View
B+
Retailer 12
-
£1,315 GBP
View
B+
Retailer 13
-
£1,352 GBP
View
B+
Retailer 14
-
£1,591 GBP
View
B
Retailer 15
-
£2,052 GBP
View
Most Expensive
C
NZ Jewellers
ebb280e3-daf7-432f-8df1-501ea45ef80d · Nov 5
£2,857 GBP
$3,824 USD
View
15 more retailers have this diamond
Prices start from £920 GBPSave up to £1,937 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
1.01ct Radiant
£920 GBP