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Radiant|Lab Grown|IGI

5.11ct E SI2 Radiant Lab Grown Diamond

ID • E/SI2 • IGI LG694553350

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

Certificate IGI LG694553350

Diamond specifications and retailer prices

From £1,003 GBP
HK$10,500 HKD
As of October 30, 2026
Save £2,684 GBP (73%) vs most expensive(unlock to see where)
5 retailers carry this diamond
Most expensive: £3,687 GBP at Brilliant Earth · As of October 30, 2026
View at Brilliant Earth

About this 5.11ct lab-grown radiant diamond

This 5.11ct lab-grown radiant sits in the over five carat band, graded E colour (colourless) and SI2 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG694553350 or 694553350. Listed at 5 retailers as of October 30, 2026, with prices from £1,003 to £3,687, a £2,684 spread on the same certified stone. Brilliant Earth lists it at £3,687. 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

5.11
Carat
E
Colour
SI2
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle41.6°
Pavilion angle36.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG694553350
Dimensions12.31 × 8.36 × 5.85 mm
L/W Ratio1.47
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
12.31 mm8.36 mm5.11 ctE / SI2
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG694553350
Side View
Table 63.0%Crown 41.6°Girdle: MED-STKPavilion 36.3°Culet: NoneDepth 70.0%

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: Oct 30
Current: £3,687 GBP|Low: £1,003 GBP|High: £4,627 GBP|Avg: £2,436 GBP|-20.3%
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
October 30, 2026
Retailer 5£1,003 GBP
Retailer 4£1,208 GBP
Retailer 2£2,698 GBP
Retailer 3£2,899 GBP
Brilliant Earth£3,687 GBP

5 data points across 5 retailers

5 retailers£1,003 GBP to £3,687 GBP

A
Cheapest Retailer
-
£1,003 GBP
HK$10,500 HKD
B+
Retailer 2
-
£1,208 GBP
$1,619 USD
View
B
Retailer 3
-
£2,698 GBP
$3,615 USD
View
B
Retailer 4
-
£2,899 GBP
SGD 5,250 SGD
View
Most Expensive
B
Brilliant Earth
14885671Y · Oct 30
£3,687 GBP
$4,940 USD
View
4 more retailers have this diamond
Prices start from £1,003 GBPSave up to £2,684 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
5.11ct Radiant
£1,003 GBP