CaratHunter
Plans
Radiant|Lab Grown|IGI

5.03ct E FL Radiant Lab Grown Diamond

ID • E/FL • IGI LG768630431

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

Certificate IGI LG768630431

Diamond specifications and retailer prices

From £6,852 GBP
$9,125 USD
As of October 29, 2026
Save £25,055 GBP (79%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: £31,907 GBP at With Clarity · As of October 28, 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 E colour (colourless) and FL clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG768630431 or 768630431. Listed at 14 retailers as of October 28, 2026, with prices from £6,852 to £31,907, a £25,055 spread on the same certified stone. With Clarity lists it at £31,907. 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
E
Colour
FL
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle39.1°
Pavilion angle33.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG768630431
Dimensions12.04 × 8.71 × 5.65 mm
L/W Ratio1.38
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
12.04 mm8.71 mm5.03 ctE / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG768630431
Side View
Table 61.0%Crown 39.1°Girdle: MediumPavilion 33.7°Culet: NoneDepth 64.9%

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 29
Current: £9,452 GBP|Low: £6,798 GBP|High: £39,687 GBP|Avg: £15,094 GBP|-20.6%
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
Retailer 14
With Clarity
October 29, 2026
Retailer 6£6,798 GBP
Retailer 11£6,852 GBP
Retailer 13£7,668 GBP
Retailer 14£8,221 GBP
Retailer 10£8,407 GBP
Retailer 2£8,545 GBP
Retailer 1£9,452 GBP
Retailer 9£13,108 GBP
Retailer 7£14,040 GBP
Retailer 3£14,311 GBP
Retailer 5£15,199 GBP
Retailer 8£15,834 GBP
Retailer 12£21,605 GBP
Retailer 4£24,666 GBP
With Clarity£31,907 GBP

33 data points across 15 retailers

14 retailers£6,852 GBP to £31,907 GBP

A
Cheapest Retailer
-
£6,852 GBP
$9,125 USD
A
Retailer 2
-
£7,668 GBP
$10,211 USD
View
A
Retailer 3
-
£8,221 GBP
$10,948 USD
View
A
Retailer 4
-
£8,407 GBP
$11,195 USD
View
Price last confirmed 10 days ago
A
Retailer 5
-
£8,545 GBP
HK$88,900 HKD
View
A
Retailer 6
-
£9,452 GBP
View
A
Retailer 7
-
£13,108 GBP
€16,624 EUR
View
A
Retailer 8
-
£14,040 GBP
View
B+
Retailer 9
-
£14,311 GBP
$19,058 USD
View
B+
Retailer 10
-
£15,199 GBP
$20,240 USD
View
B+
Retailer 11
-
£15,834 GBP
ZAR 340,644 ZAR
View
B+
Retailer 12
-
£21,605 GBP
$28,772 USD
View
B
Retailer 13
-
£24,666 GBP
$32,847 USD
View
Most Expensive
B
With Clarity
768630431 · Oct 28
£31,907 GBP
$42,490 USD
View
13 more retailers have this diamond
Prices start from £6,852 GBPSave up to £25,055 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
£6,852 GBP