CaratHunter
Plans
Radiant|Lab Grown|IGI

5.03ct D FL Radiant Lab Grown Diamond

ID • D/FL • IGI LG811634749

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

Certificate IGI LG811634749

Diamond specifications and retailer prices

From £7,786 GBP
$10,432 USD
As of October 30, 2026
Save £28,805 GBP (79%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: £36,591 GBP at With Clarity · As of October 31, 2026
View at With Clarity

About this 5.03ct lab-grown radiant diamond

This 5.03ct 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 LG811634749 or 811634749. Listed at 11 retailers as of October 30, 2026, with prices from £7,786 to £36,591, a £28,805 spread on the same certified stone. With Clarity lists it at £36,591. 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

5.03
Carat
D
Colour
FL
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle43.5°
Pavilion angle34.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG811634749
Dimensions11.81 × 8.51 × 5.80 mm
L/W Ratio1.39
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
11.81 mm8.51 mm5.03 ctD / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG811634749
Side View
Table 63.0%Crown 43.5°Girdle: Slightly ThickPavilion 34.6°Culet: NoneDepth 68.2%

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: £12,643 GBP|Low: £7,786 GBP|High: £36,591 GBP|Avg: £16,196 GBP|-40.8%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
With Clarity
October 30, 2026
Retailer 7£7,786 GBP
Retailer 9£8,258 GBP
Retailer 10£8,701 GBP
Retailer 6£8,945 GBP
Retailer 3£10,642 GBP
Retailer 1£12,643 GBP
Retailer 4£14,125 GBP
Retailer 5£15,032 GBP
Retailer 8£24,777 GBP
Retailer 2£27,365 GBP
With Clarity£36,591 GBP

33 data points across 11 retailers

11 retailers£7,786 GBP to £36,591 GBP

A
Cheapest Retailer
-
£7,786 GBP
$10,432 USD
A
Retailer 2
-
£8,258 GBP
$11,065 USD
View
A
Retailer 3
-
£8,701 GBP
$11,658 USD
View
A
Retailer 4
-
£8,945 GBP
$11,985 USD
View
A
Retailer 5
-
£10,642 GBP
View
A
Retailer 6
-
£12,643 GBP
$16,940 USD
View
A
Retailer 7
-
£14,125 GBP
View
Retailer 8
-
£15,032 GBP
€19,182 EUR
View
Price last confirmed 8 days ago
B
Retailer 9
-
£24,777 GBP
$33,198 USD
View
B
Retailer 10
-
£27,365 GBP
$36,666 USD
View
Most Expensive
B
With Clarity
811634749 · Oct 31
£36,591 GBP
$49,028 USD
View
10 more retailers have this diamond
Prices start from £7,786 GBPSave up to £28,805 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
5.03ct Radiant
£7,786 GBP