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Radiant|Lab Grown|IGI

1.01ct E SI2 Radiant Lab Grown Diamond

ID • E/SI2 • IGI LG474115733

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

Certificate IGI LG474115733

Diamond specifications and retailer prices

From £388 GBP
As of November 6, 2026
Save £973 GBP (71%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: £1,443 GBP at NZ Jewellers · As of November 6, 2026
View at NZ Jewellers

About this 1.01ct lab-grown radiant diamond

This 1.01ct lab-grown radiant sits in the classic one-carat band, graded E colour (colourless) and SI2 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG474115733 or 474115733. Listed at 12 retailers as of November 4, 2026, with a 250% 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

1.01
Carat
E
Colour
SI2
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle50.2°
Pavilion angle29°
OriginLab Grown
Grading LabIGI
CertificateIGI LG474115733
Dimensions6.34 × 4.88 × 3.34 mm
L/W Ratio1.30
Culet sizePointed
Cert comments
As Grown - No indication of post-growth treatment This Laboratory Grown Diamond was created by High Pressure High Temperature (HPHT) growth process Type II
Top View
6.34 mm4.88 mm1.01 ctE / SI2
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG474115733
Side View
Table 67.0%Crown 50.2°Girdle: Slightly ThickPavilion 29°Culet: NoneDepth 68.4%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 6
Current: £1,443 GBP|Low: £388 GBP|High: £2,409 GBP|Avg: £880 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
November 6, 2026
Retailer 7£388 GBP
Retailer 9£442 GBP
Retailer 4£495 GBP
Retailer 12£495 GBP
Retailer 3£548 GBP
Retailer 10£548 GBP
Retailer 2£728 GBP
Retailer 11£843 GBP
Retailer 5£846 GBP
Retailer 8£1,361 GBP
NZ Jewellers£1,443 GBP
Retailer 6£2,381 GBP

44 data points across 12 retailers

12 retailers£388 GBP to £1,361 GBP

B+
Cheapest Retailer
-
£388 GBP
B+
Retailer 2
-
£442 GBP
View
B
Retailer 3
-
£495 GBP
View
Final sale: no returns
B
Retailer 4
-
£495 GBP
View
Retailer 5
-
£548 GBP
View
Price last confirmed 22 days ago
B
Retailer 6
-
£548 GBP
View
B
Retailer 7
-
£728 GBP
View
B
Retailer 8
-
£843 GBP
View
B
Retailer 9
-
£846 GBP
View
B
Retailer 10
-
£1,361 GBP
View
Most Expensive
NZ Jewellers
1702341b-a68a-4d66-bcf8-82f10271bea5 · Nov 6
£1,443 GBP
$1,931 USD
View
Price under review
10 more retailers have this diamond
Prices start from £388 GBPSave up to £973 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.

B+
1.01ct Radiant
£388 GBP