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Radiant|Lab Grown|IGI

5.08ct D FL Radiant Lab Grown Diamond

EX • D/FL • IGI LG828680585

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

Certificate IGI LG828680585

Diamond specifications and retailer prices

From £8,447 GBP
$11,249 USD
As of October 30, 2026
Save £19,249 GBP (70%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: £27,696 GBP at Taylor and Hart · As of October 30, 2026
View at Taylor and Hart

About this 5.08ct lab-grown radiant diamond

This 5.08ct lab-grown radiant sits in the over five carat band, graded D colour (colourless) and FL clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG828680585 or 828680585. Listed at 12 retailers as of October 30, 2026, with prices from £8,447 to £27,696, a £19,249 spread on the same certified stone. Taylor and Hart lists it at £27,696. 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

5.08
Carat
D
Colour
FL
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle43.1°
Pavilion angle33.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG828680585
Dimensions11.94 × 8.63 × 5.69 mm
L/W Ratio1.38
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
11.94 mm8.63 mm5.08 ctD / FL
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG828680585
Side View
Table 65.0%Crown 43.1°Girdle: Slightly ThickPavilion 33.7°Culet: NoneDepth 65.9%

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: £10,814 GBP|Low: £8,447 GBP|High: £49,576 GBP|Avg: £19,009 GBP|-3.0%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Taylor and Hart
October 30, 2026
Retailer 7£8,447 GBP
Retailer 9£8,841 GBP
Retailer 6£9,060 GBP
Retailer 1£10,814 GBP
Retailer 4£14,350 GBP
Retailer 5£15,274 GBP
Retailer 8£16,621 GBP
Retailer 3£18,463 GBP
Retailer 2£25,177 GBP
Taylor and Hart£27,696 GBP
Retailer 10£49,576 GBP

17 data points across 11 retailers

12 retailers£8,447 GBP to £27,696 GBP

A
Cheapest Retailer
-
£8,447 GBP
$11,249 USD
A
Retailer 2
-
£8,841 GBP
$11,773 USD
View
A
Retailer 3
-
£9,060 GBP
$12,065 USD
View
A
Retailer 4
-
£10,814 GBP
View
A
Retailer 5
-
£14,350 GBP
View
B+
Retailer 6
-
£15,274 GBP
€19,372 EUR
View
B+
Retailer 7
-
£16,621 GBP
$22,134 USD
View
B+
Retailer 8
-
£18,463 GBP
ZAR 397,202 ZAR
View
B+
Retailer 9
-
£21,064 GBP
$28,050 USD
View
B
Retailer 10
-
£25,177 GBP
$33,528 USD
View
Most Expensive
B
Taylor and Hart
3EDKXPT · Oct 30
£27,696 GBP
$36,882 USD
View
10 more retailers have this diamond
Prices start from £8,447 GBPSave up to £19,249 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
5.08ct Radiant
£8,447 GBP