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Radiant|Lab Grown|IGI

5.03ct D FL Radiant Lab Grown Diamond

ID • D/FL • IGI LG811635547

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

Certificate IGI LG811635547

Diamond specifications and retailer prices

From £6,616 GBP
$8,865 USD
As of October 30, 2026
Save £7,273 GBP (52%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: £14,931 GBP at Yorxs · As of October 23, 2026
View at Yorxs

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 LG811635547 or 811635547. Listed at 13 retailers as of October 30, 2026, with a 110% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. 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 angle44°
Pavilion angle35.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG811635547
Dimensions12.02 × 8.33 × 5.68 mm
L/W Ratio1.44
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
12.02 mm8.33 mm5.03 ctD / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG811635547
Side View
Table 66.0%Crown 44°Girdle: Slightly ThickPavilion 35.3°Culet: NoneDepth 68.2%

Caratlytics Score

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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: £13,889 GBP|Low: £6,616 GBP|High: £44,675 GBP|Avg: £14,080 GBP|-35.0%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Yorxs
October 30, 2026
Retailer 8£6,616 GBP
Retailer 10£6,660 GBP
Retailer 4£6,871 GBP
Retailer 3£6,881 GBP
Retailer 13£7,601 GBP
Retailer 2£7,939 GBP
Retailer 12£8,402 GBP
Retailer 7£8,766 GBP
Retailer 9£8,878 GBP
Retailer 6£13,683 GBP
Retailer 1£13,889 GBP
Yorxs£14,931 GBP
Retailer 5£22,053 GBP
Retailer 11£41,287 GBP

35 data points across 14 retailers

13 retailers£6,616 GBP to £13,889 GBP

A
Cheapest Retailer
-
£6,616 GBP
$8,865 USD
A
Retailer 2
-
£6,660 GBP
$8,923 USD
View
A
Retailer 3
-
£6,871 GBP
$9,207 USD
View
A
Retailer 4
-
£6,881 GBP
$9,220 USD
View
A
Retailer 5
-
£7,601 GBP
$10,185 USD
View
A
Retailer 6
-
£7,939 GBP
$10,638 USD
View
A
Retailer 7
-
£8,402 GBP
$11,258 USD
View
A
Retailer 8
-
£8,766 GBP
$11,745 USD
View
A
Retailer 9
-
£8,878 GBP
$11,895 USD
View
B+
Retailer 10
-
£13,683 GBP
View
B+
Retailer 11
-
£13,889 GBP
$18,610 USD
View
Most Expensive
Yorxs
583919008 · Oct 23
£14,931 GBP
€19,053 EUR
View
Price last confirmed 7 days ago
11 more retailers have this diamond
Prices start from £6,616 GBPSave up to £7,273 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
£6,616 GBP