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Radiant|Lab Grown|IGI

5.04ct E FL Radiant Lab Grown Diamond

ID • E/FL • IGI LG821639526

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

Certificate IGI LG821639526

Diamond specifications and retailer prices

From £6,866 GBP
$9,143 USD
As of October 29, 2026
Save £17,841 GBP (72%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: £24,706 GBP at Taylor and Hart · As of October 28, 2026
View at Taylor and Hart

About this 5.04ct lab-grown radiant diamond

This 5.04ct lab-grown radiant sits in the over five carat band, graded E colour (colourless) and FL clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG821639526 or 821639526. Listed at 14 retailers as of October 28, 2026, with prices from £6,866 to £24,706, a £17,841 spread on the same certified stone. Taylor and Hart lists it at £24,706. Lab-grown prices in the 2ct and up range have fallen 40 to 60% over the last 18 months. Use the cross-retailer spread above to find the lowest current listing.

The 4Cs

5.04
Carat
E
Colour
FL
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle40.7°
Pavilion angle32.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG821639526
Dimensions12.57 × 8.47 × 5.45 mm
L/W Ratio1.48
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
12.57 mm8.47 mm5.04 ctE / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG821639526
Side View
Table 64.0%Crown 40.7°Girdle: MED-STKPavilion 32.8°Culet: NoneDepth 64.3%

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 29
Current: £15,927 GBP|Low: £6,866 GBP|High: £53,022 GBP|Avg: £16,974 GBP|-19.4%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Taylor and Hart
October 29, 2026
Retailer 10£6,866 GBP
Retailer 12£7,693 GBP
Retailer 13£8,238 GBP
Retailer 9£8,418 GBP
Retailer 2£8,564 GBP
Retailer 6£9,471 GBP
Retailer 8£13,133 GBP
Retailer 7£14,068 GBP
Retailer 4£14,339 GBP
Retailer 5£15,229 GBP
Retailer 1£15,927 GBP
Retailer 11£21,648 GBP
Taylor and Hart£24,706 GBP
Retailer 3£42,628 GBP

36 data points across 14 retailers

14 retailers£6,866 GBP to £24,706 GBP

A
Cheapest Retailer
-
£6,866 GBP
$9,143 USD
A
Retailer 2
-
£7,693 GBP
$10,245 USD
View
A
Retailer 3
-
£8,238 GBP
$10,970 USD
View
A
Retailer 4
-
£8,418 GBP
$11,210 USD
View
Price last confirmed 11 days ago
A
Retailer 5
-
£8,564 GBP
HK$89,100 HKD
View
A
Retailer 6
-
£9,471 GBP
View
A
Retailer 7
-
£13,133 GBP
€16,656 EUR
View
B+
Retailer 8
-
£14,068 GBP
View
B+
Retailer 9
-
£14,339 GBP
$19,095 USD
View
B+
Retailer 10
-
£15,229 GBP
$20,280 USD
View
B+
Retailer 11
-
£15,927 GBP
ZAR 342,649 ZAR
View
B+
Retailer 12
-
£21,648 GBP
$28,829 USD
View
Most Expensive
B+
Taylor and Hart
X1PTU1Y · Oct 28
£24,706 GBP
$32,901 USD
View
12 more retailers have this diamond
Prices start from £6,866 GBPSave up to £17,841 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
5.04ct Radiant
£6,866 GBP