Radiant|Lab Grown|IGI

5.04ct D FL Radiant Lab Grown Diamond

ID • D/FL • IGI LG811634415

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

Certificate IGI LG811634415

Diamond specifications and retailer prices

From £8,285 GBP
$11,101 USD
As of October 31, 2026
Save £19,112 GBP (70%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: £27,397 GBP at Taylor and Hart · As of October 30, 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 D colour (colourless) and FL clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG811634415 or 811634415. Listed at 12 retailers as of October 30, 2026, with prices from £8,285 to £27,397, a £19,112 spread on the same certified stone. Taylor and Hart lists it at £27,397. 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
D
Colour
FL
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle41.3°
Pavilion angle33.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG811634415
Dimensions12.08 × 8.59 × 5.68 mm
L/W Ratio1.41
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
12.08 mm8.59 mm5.04 ctD / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG811634415
Side View
Table 63.0%Crown 41.3°Girdle: MED-STKPavilion 33.7°Culet: NoneDepth 66.1%

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 31
Current: £12,673 GBP|Low: £7,522 GBP|High: £48,885 GBP|Avg: £17,025 GBP|-39.0%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Taylor and Hart
October 30, 2026
Retailer 4£7,522 GBP
Retailer 11£8,285 GBP
Retailer 12£8,718 GBP
Retailer 9£8,956 GBP
Retailer 5£10,663 GBP
Retailer 1£12,673 GBP
Retailer 7£14,152 GBP
Retailer 8£15,062 GBP
Retailer 3£16,391 GBP
Retailer 6£18,208 GBP
Retailer 10£24,826 GBP
Taylor and Hart£27,397 GBP
Retailer 2£48,885 GBP

33 data points across 13 retailers

12 retailers£8,285 GBP to £27,397 GBP

A
Cheapest Retailer
-
£8,285 GBP
$11,101 USD
A
Retailer 2
-
£8,718 GBP
$11,681 USD
View
A
Retailer 3
-
£8,956 GBP
$12,000 USD
View
A
Retailer 4
-
£10,663 GBP
View
A
Retailer 5
-
£12,673 GBP
$16,980 USD
View
A
Retailer 6
-
£14,152 GBP
View
Retailer 7
-
£15,062 GBP
€19,220 EUR
View
Price last confirmed 7 days ago
B+
Retailer 8
-
£16,391 GBP
$21,962 USD
View
B+
Retailer 9
-
£18,208 GBP
ZAR 394,138 ZAR
View
B
Retailer 10
-
£24,826 GBP
$33,264 USD
View
Most Expensive
B
Taylor and Hart
8UK36R5 · Oct 30
£27,397 GBP
$36,709 USD
View
10 more retailers have this diamond
Prices start from £8,285 GBPSave up to £19,112 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
£8,285 GBP