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Radiant|Natural|IGI

1.00ct E SI2 Radiant Natural Diamond

VG • E/SI2 • IGI 743559013

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

Certificate IGI 743559013

Diamond specifications and retailer prices

From £877 GBP
₹111,201 INR
As of October 27, 2026
Save £1,839 GBP (68%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: £2,715 GBP at NZ Jewellers · As of October 27, 2026
View at NZ Jewellers

About this 1ct natural radiant diamond

This 1ct natural radiant sits in the classic one-carat band, graded E colour (colourless) and SI2 clarity (slightly-included), with a very-good cut grade and certified by IGI 743559013. Listed at 17 retailers as of October 27, 2026, with prices from £877 to £2,715, a £1,839 spread on the same certified stone. NZ Jewellers lists it at £2,715. 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

1.00
Carat
E
Colour
SI2
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle50°
Pavilion angle34.9°
OriginNatural
Grading LabIGI
CertificateIGI 743559013
Dimensions6.87 × 4.95 × 3.35 mm
L/W Ratio1.39
Top View
6.87 mm4.95 mm1.00 ctE / SI2
OriginNatural
CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI 743559013
Side View
Table 68.0%Crown 50°Girdle: THK-VTKPavilion 34.9°Culet: NoneDepth 67.7%

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: Oct 27
Current: £2,715 GBP|Low: £855 GBP|High: £2,781 GBP|Avg: £1,299 GBP|-2.4%
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
October 29, 2026
Retailer 13£877 GBP
Retailer 7£991 GBP
Retailer 8£1,027 GBP
Retailer 17£1,031 GBP
Retailer 11£1,107 GBP
Retailer 5£1,113 GBP
Retailer 16£1,113 GBP
Retailer 6£1,147 GBP
Retailer 4£1,149 GBP
Retailer 10£1,162 GBP
Retailer 3£1,165 GBP
Retailer 9£1,215 GBP
Retailer 12£1,228 GBP
Retailer 14£1,284 GBP
Retailer 2£1,508 GBP
Retailer 15£1,953 GBP
NZ Jewellers£2,715 GBP

27 data points across 17 retailers

17 retailers£877 GBP to £2,715 GBP

A
Cheapest Retailer
-
£877 GBP
₹111,201 INR
A
Retailer 2
-
£991 GBP
$1,320 USD
View
B+
Retailer 3
-
£1,027 GBP
$1,368 USD
View
Final sale: no returns
A
Retailer 4
-
£1,031 GBP
$1,373 USD
View
A
Retailer 5
-
£1,107 GBP
View
A
Retailer 6
-
£1,113 GBP
$1,482 USD
View
A
Retailer 7
-
£1,113 GBP
$1,482 USD
View
A
Retailer 8
-
£1,147 GBP
$1,528 USD
View
A
Retailer 9
-
£1,149 GBP
$1,530 USD
View
B+
Retailer 10
-
£1,162 GBP
$1,548 USD
View
A
Retailer 11
-
£1,165 GBP
$1,551 USD
View
A
Retailer 12
-
£1,215 GBP
$1,618 USD
View
A
Retailer 13
-
£1,228 GBP
View
A
Retailer 14
-
£1,284 GBP
$1,710 USD
View
A
Retailer 15
-
£1,508 GBP
€1,912 EUR
View
B+
Retailer 16
-
£1,953 GBP
View
Most Expensive
B
NZ Jewellers
568c825a-93c7-4d19-8302-b52b619b4d45 · Oct 27
£2,715 GBP
$3,616 USD
View
16 more retailers have this diamond
Prices start from £877 GBPSave up to £1,839 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 Radiant
£877 GBP