CaratHunter
Plans
Radiant|Lab Grown|IGI

4.01ct D FL Radiant Lab Grown Diamond

ID • D/FL • IGI LG804636937

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

Certificate IGI LG804636937

Diamond specifications and retailer prices

From £2,808 GBP
$3,739 USD
As of October 30, 2026
Save £8,702 GBP (76%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: £11,510 GBP at Taylor and Hart · As of October 30, 2026
View at Taylor and Hart

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 LG804636937 or 804636937. Listed at 18 retailers as of October 30, 2026, with prices from £2,808 to £11,510, a £8,702 spread on the same certified stone. Taylor and Hart lists it at £11,510. 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
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle43.4°
Pavilion angle35.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG804636937
Dimensions11.13 × 7.81 × 5.38 mm
L/W Ratio1.43
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 mm7.81 mm4.01 ctD / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG804636937
Side View
Table 63.0%Crown 43.4°Girdle: Slightly ThickPavilion 35.5°Culet: NoneDepth 68.9%

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 30
Current: £4,262 GBP|Low: £2,808 GBP|High: £14,497 GBP|Avg: £6,125 GBP|-23.7%
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
Retailer 15
Retailer 16
Retailer 17
Taylor and Hart
October 30, 2026
Retailer 5£2,808 GBP
Retailer 3£3,055 GBP
Retailer 6£3,144 GBP
Retailer 13£3,155 GBP
Retailer 11£3,258 GBP
Retailer 9£4,052 GBP
Retailer 14£4,070 GBP
Retailer 16£4,147 GBP
Retailer 1£4,262 GBP
Retailer 2£4,385 GBP
Retailer 17£5,001 GBP
Retailer 7£5,048 GBP
Retailer 8£5,175 GBP
Retailer 10£6,932 GBP
Retailer 12£7,014 GBP
Retailer 4£8,204 GBP
Retailer 15£9,043 GBP
Taylor and Hart£11,510 GBP

33 data points across 18 retailers

18 retailers£2,808 GBP to £11,510 GBP

A
Cheapest Retailer
-
£2,808 GBP
$3,739 USD
A
Retailer 2
-
£3,055 GBP
$4,068 USD
View
A
Retailer 3
-
£3,144 GBP
$4,187 USD
View
Final sale: no returns
A
Retailer 4
-
£3,155 GBP
$4,201 USD
View
A
Retailer 5
-
£3,258 GBP
$4,338 USD
View
Retailer 6
-
£4,052 GBP
$5,396 USD
View
Price last confirmed 17 days ago
A
Retailer 7
-
£4,070 GBP
$5,420 USD
View
A
Retailer 8
-
£4,147 GBP
$5,522 USD
View
A
Retailer 9
-
£4,262 GBP
View
A
Retailer 10
-
£4,385 GBP
$5,840 USD
View
B+
Retailer 11
-
£5,001 GBP
View
A
Retailer 12
-
£5,048 GBP
$6,722 USD
View
Retailer 13
-
£5,175 GBP
$6,892 USD
View
Price last confirmed 14 days ago
B+
Retailer 14
-
£6,932 GBP
ZAR 149,130 ZAR
View
B+
Retailer 15
-
£7,014 GBP
View
B+
Retailer 16
-
£8,204 GBP
$10,925 USD
View
B
Retailer 17
-
£9,043 GBP
$12,043 USD
View
Most Expensive
B
Taylor and Hart
IVYT399 · Oct 30
£11,510 GBP
$15,327 USD
View
17 more retailers have this diamond
Prices start from £2,808 GBPSave up to £8,702 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
£2,808 GBP