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Radiant|Lab Grown|IGI

4.01ct D FL Radiant Lab Grown Diamond

EX • D/FL • IGI LG754508074

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

Certificate IGI LG754508074

Diamond specifications and retailer prices

From £3,189 GBP
$4,273 USD
As of October 29, 2026
Save £10,035 GBP (76%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: £13,224 GBP at With Clarity · As of October 30, 2026
View at With Clarity

About this 4.01ct lab-grown radiant diamond

This 4.01ct 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 LG754508074 or 754508074. Listed at 15 retailers as of October 29, 2026, with prices from £3,189 to £13,224, a £10,035 spread on the same certified stone. With Clarity lists it at £13,224. 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

4.01
Carat
D
Colour
FL
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle43.3°
Pavilion angle33.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG754508074
Dimensions11.42 × 7.91 × 5.17 mm
L/W Ratio1.44
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
11.42 mm7.91 mm4.01 ctD / FL
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG754508074
Side View
Table 66.0%Crown 43.3°Girdle: MED-STKPavilion 33.3°Culet: NoneDepth 65.4%

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: £9,837 GBP|Low: £3,189 GBP|High: £17,463 GBP|Avg: £8,446 GBP|-37.6%
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 30, 2026
Retailer 11£3,189 GBP
Retailer 12£4,152 GBP
Retailer 13£4,175 GBP
Retailer 7£4,390 GBP
Retailer 10£5,126 GBP
Retailer 5£5,855 GBP
Retailer 6£5,974 GBP
Retailer 8£7,127 GBP
Retailer 14£7,183 GBP
Retailer 2£8,449 GBP
Retailer 9£8,954 GBP
Retailer 1£9,837 GBP
Retailer 4£11,859 GBP
Retailer 3£12,072 GBP
With Clarity£13,224 GBP

35 data points across 15 retailers

15 retailers£3,189 GBP to £13,224 GBP

A
Cheapest Retailer
-
£3,189 GBP
$4,273 USD
A
Retailer 2
-
£4,152 GBP
$5,563 USD
View
A
Retailer 3
-
£4,175 GBP
HK$43,700 HKD
View
A
Retailer 4
-
£4,390 GBP
View
B+
Retailer 5
-
£5,126 GBP
$6,868 USD
View
Retailer 6
-
£5,855 GBP
€7,472 EUR
View
Price last confirmed 7 days ago
Retailer 7
-
£5,974 GBP
$8,005 USD
View
Price last confirmed 12 days ago
B+
Retailer 8
-
£7,127 GBP
ZAR 154,274 ZAR
View
B+
Retailer 9
-
£7,183 GBP
View
B+
Retailer 10
-
£8,449 GBP
$11,321 USD
View
B+
Retailer 11
-
£8,954 GBP
$11,998 USD
View
B+
Retailer 12
-
£9,837 GBP
$13,180 USD
View
B
Retailer 13
-
£11,859 GBP
$15,889 USD
View
B
Retailer 14
-
£12,072 GBP
SGD 21,858 SGD
View
Most Expensive
B
With Clarity
754508074 · Oct 30
£13,224 GBP
$17,719 USD
View
14 more retailers have this diamond
Prices start from £3,189 GBPSave up to £10,035 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
4.01ct Radiant
£3,189 GBP