CaratHunter
Plans
Radiant|Lab Grown|IGI

4.02ct D FL Radiant Lab Grown Diamond

EX • D/FL • IGI LG768630418

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

Certificate IGI LG768630418

Diamond specifications and retailer prices

From £3,216 GBP
$4,283 USD
As of October 29, 2026
Save £14,569 GBP (82%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: £17,785 GBP at With Clarity · As of October 30, 2026
View at With Clarity

About this 4.02ct lab-grown radiant diamond

This 4.02ct lab-grown radiant sits in the three to five carat band, graded D colour (colourless) and FL clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG768630418 or 768630418. Listed at 14 retailers as of October 29, 2026, with prices from £3,216 to £17,785, a £14,569 spread on the same certified stone. With Clarity lists it at £17,785. 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

4.02
Carat
D
Colour
FL
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle45.6°
Pavilion angle33.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG768630418
Dimensions11.13 × 8.04 × 5.23 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
11.13 mm8.04 mm4.02 ctD / FL
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG768630418
Side View
Table 63.0%Crown 45.6°Girdle: Slightly ThickPavilion 33.9°Culet: NoneDepth 65.0%

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: £4,428 GBP|Low: £3,216 GBP|High: £23,487 GBP|Avg: £8,219 GBP|-27.1%
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
With Clarity
October 30, 2026
Retailer 9£3,216 GBP
Retailer 10£4,195 GBP
Retailer 11£4,210 GBP
Retailer 1£4,428 GBP
Retailer 8£5,170 GBP
Retailer 3£5,906 GBP
Retailer 4£6,019 GBP
Retailer 6£7,188 GBP
Retailer 12£7,244 GBP
Retailer 13£8,523 GBP
Retailer 7£9,032 GBP
Retailer 5£9,214 GBP
Retailer 2£11,961 GBP
With Clarity£17,785 GBP

36 data points across 14 retailers

14 retailers£3,216 GBP to £17,785 GBP

A
Cheapest Retailer
-
£3,216 GBP
$4,283 USD
A
Retailer 2
-
£4,195 GBP
$5,587 USD
View
A
Retailer 3
-
£4,210 GBP
HK$43,800 HKD
View
A
Retailer 4
-
£4,428 GBP
View
A
Retailer 5
-
£5,170 GBP
$6,885 USD
View
Retailer 6
-
£5,906 GBP
€7,491 EUR
View
Price last confirmed 7 days ago
Retailer 7
-
£6,019 GBP
$8,015 USD
View
Price last confirmed 11 days ago
B+
Retailer 8
-
£7,188 GBP
ZAR 154,638 ZAR
View
B+
Retailer 9
-
£7,244 GBP
View
B+
Retailer 10
-
£8,523 GBP
$11,350 USD
View
B+
Retailer 11
-
£9,032 GBP
$12,028 USD
View
B
Retailer 12
-
£9,214 GBP
$12,270 USD
View
B
Retailer 13
-
£11,961 GBP
$15,929 USD
View
Most Expensive
B
With Clarity
768630418 · Oct 30
£17,785 GBP
$23,684 USD
View
13 more retailers have this diamond
Prices start from £3,216 GBPSave up to £14,569 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
4.02ct Radiant
£3,216 GBP