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Radiant|Natural|IGI

1.01ct I SI2 Radiant Natural Diamond

VG • I/SI2 • IGI 530201817

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

Certificate IGI 530201817

Diamond specifications and retailer prices

From £786 GBP
As of November 6, 2026
Save £1,292 GBP (62%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: £2,078 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 530201817. Listed at 14 retailers as of November 5, 2026, with prices from £786 to £2,078, a £1,292 spread on the same certified stone. NZ Jewellers lists it at £2,078. 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
PolishVery Good
SymmetryGood
FluorescenceNone
Crown angle46.7°
Pavilion angle28.8°
OriginNatural
Grading LabIGI
CertificateIGI 530201817
Dimensions6.20 × 4.96 × 3.42 mm
L/W Ratio1.25
Culet sizePointed
Cert comments
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Top View
6.20 mm4.96 mm1.01 ctI / SI2
OriginNatural
CutVery Good
PolishVery Good
SymmetryGood
FluorescenceNone
CertificateIGI 530201817
Side View
Table 58.0%Crown 46.7°Girdle: ThickPavilion 28.8°Culet: NoneDepth 69.0%

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: £2,078 GBP|Low: £474 GBP|High: £2,078 GBP|Avg: £1,074 GBP
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 7, 2026
Retailer 7£474 GBP
Retailer 14£786 GBP
Retailer 5£816 GBP
Retailer 3£822 GBP
Retailer 8£838 GBP
Retailer 11£852 GBP
Retailer 13£852 GBP
Retailer 12£885 GBP
Retailer 15£905 GBP
Retailer 4£952 GBP
Retailer 10£983 GBP
Retailer 9£1,186 GBP
Retailer 2£1,552 GBP
Retailer 6£1,704 GBP
NZ Jewellers£2,078 GBP

22 data points across 15 retailers

14 retailers£786 GBP to £2,078 GBP

B+
Cheapest Retailer
-
£786 GBP
Final sale: no returns
B+
Retailer 2
-
£816 GBP
View
Retailer 3
-
£822 GBP
View
Price last confirmed 10 days ago
A
Retailer 4
-
£838 GBP
View
Retailer 5
-
£852 GBP
View
Price last confirmed 9 days ago
B+
Retailer 6
-
£852 GBP
View
B+
Retailer 7
-
£885 GBP
View
B+
Retailer 8
-
£905 GBP
View
B+
Retailer 9
-
£952 GBP
View
B+
Retailer 10
-
£983 GBP
View
Retailer 11
-
£983 GBP
View
Price last confirmed 11 days ago
B+
Retailer 12
-
£1,186 GBP
View
B+
Retailer 13
-
£1,552 GBP
View
Most Expensive
B
NZ Jewellers
757d158e-0f70-4ac8-90b3-8a549fc6b016 · Nov 5
£2,078 GBP
$2,781 USD
View
13 more retailers have this diamond
Prices start from £786 GBPSave up to £1,292 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
£786 GBP