Radiant|Lab Grown|IGI

5.03ct D FL Radiant Lab Grown Diamond

ID • D/FL • IGI LG768629465

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

Certificate IGI LG768629465

Diamond specifications and retailer prices

From £6,167 GBP
$8,263 USD
As of October 31, 2026
Save £21,198 GBP (77%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: £27,365 GBP at Taylor and Hart · As of October 30, 2026
View at Taylor and Hart

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 LG768629465 or 768629465. Listed at 13 retailers as of October 30, 2026, with prices from £6,167 to £27,365, a £21,198 spread on the same certified stone. Taylor and Hart lists it at £27,365. 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 angle42.1°
Pavilion angle33.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG768629465
Dimensions12.28 × 8.60 × 5.59 mm
L/W Ratio1.43
Culet sizePointed
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
12.28 mm8.60 mm5.03 ctD / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG768629465
Side View
Table 64.0%Crown 42.1°Girdle: Slightly ThickPavilion 33.5°Culet: NoneDepth 65.0%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 31
Current: £13,889 GBP|Low: £6,167 GBP|High: £31,309 GBP|Avg: £15,155 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
Taylor and Hart
October 30, 2026
Retailer 2£6,167 GBP
Retailer 11£7,083 GBP
Retailer 4£7,507 GBP
Retailer 9£8,609 GBP
Retailer 10£9,370 GBP
Retailer 5£10,642 GBP
Retailer 1£13,889 GBP
Retailer 7£14,125 GBP
Retailer 3£14,821 GBP
Retailer 8£15,032 GBP
Retailer 6£18,173 GBP
Retailer 12£24,777 GBP
Taylor and Hart£27,365 GBP

34 data points across 13 retailers

13 retailers£6,167 GBP to £27,365 GBP

A
Cheapest Retailer
-
£6,167 GBP
$8,263 USD
A
Retailer 2
-
£7,083 GBP
$9,491 USD
View
A
Retailer 3
-
£8,609 GBP
$11,535 USD
View
A
Retailer 4
-
£9,370 GBP
$12,555 USD
View
A
Retailer 5
-
£10,642 GBP
View
Retailer 6
-
£10,969 GBP
View
Price last confirmed 15 days ago
A
Retailer 7
-
£13,889 GBP
$18,610 USD
View
A
Retailer 8
-
£14,125 GBP
View
B+
Retailer 9
-
£14,821 GBP
$19,859 USD
View
Retailer 10
-
£15,032 GBP
€19,182 EUR
View
Price last confirmed 7 days ago
B+
Retailer 11
-
£18,173 GBP
ZAR 393,371 ZAR
View
B+
Retailer 12
-
£24,777 GBP
$33,198 USD
View
Most Expensive
B
Taylor and Hart
IHOVI15 · Oct 30
£27,365 GBP
$36,666 USD
View
12 more retailers have this diamond
Prices start from £6,167 GBPSave up to £21,198 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
£6,167 GBP