Princess|Lab Grown|IGI

4.02ct D FL Princess Lab Grown Diamond

EX • D/FL • IGI LG790611918

Shape and cutting style on the report: Princess cut

Certificate IGI LG790611918

Diamond specifications and retailer prices

From £5,814 GBP
$7,743 USD
As of October 30, 2026
Save £17,850 GBP (75%) vs most expensive(unlock to see where)
23 retailers carry this diamond
Most expensive: £23,664 GBP at Michael Trio · As of October 30, 2026
View at Michael Trio

About this 4.02ct lab-grown princess diamond

This 4.02ct lab-grown princess 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 LG790611918 or 790611918. Listed at 23 retailers as of October 30, 2026, with prices from £5,814 to £23,664, a £17,850 spread on the same certified stone. Michael Trio lists it at £23,664. 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 angle46.3°
Pavilion angle37.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG790611918
Dimensions8.67 × 8.61 × 6.11 mm
L/W Ratio1.01
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
8.67 mm8.61 mm4.02 ctD / FL
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG790611918
Side View
Table 65.0%Crown 46.3°Girdle: MediumPavilion 37.7°Culet: NoneDepth 71.0%

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 30
Current: £23,664 GBP|Low: £5,582 GBP|High: £23,664 GBP|Avg: £10,560 GBP
Michael Trio
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
October 30, 2026
Retailer 16£5,814 GBP
Retailer 7£5,962 GBP
Retailer 8£6,512 GBP
Retailer 15£6,695 GBP
Retailer 4£6,745 GBP
Retailer 6£6,745 GBP
Retailer 14£7,503 GBP
Retailer 13£7,585 GBP
Retailer 5£7,808 GBP
Retailer 2£8,315 GBP
Retailer 9£9,670 GBP
Retailer 11£11,229 GBP
Retailer 12£12,588 GBP
Retailer 10£14,356 GBP
Retailer 17£15,852 GBP
Retailer 3£17,272 GBP
Michael Trio£23,664 GBP

39 data points across 17 retailers

23 retailers£5,814 GBP to £23,664 GBP

A
Cheapest Retailer
-
£5,814 GBP
$7,743 USD
A
Retailer 2
-
£5,962 GBP
$7,940 USD
View
A
Retailer 3
-
£6,047 GBP
$8,053 USD
View
A
Retailer 4
-
£6,205 GBP
$8,263 USD
View
A
Retailer 5
-
£6,512 GBP
$8,672 USD
View
Final sale: no returns
A
Retailer 6
-
£6,695 GBP
$8,915 USD
View
A
Retailer 7
-
£6,745 GBP
$8,982 USD
View
Retailer 8
-
£6,745 GBP
$8,982 USD
View
Price last confirmed 13 days ago
A
Retailer 9
-
£6,949 GBP
HK$72,300 HKD
View
A
Retailer 10
-
£7,503 GBP
$9,991 USD
View
A
Retailer 11
-
£7,585 GBP
$10,101 USD
View
A
Retailer 12
-
£7,808 GBP
$10,398 USD
View
A
Retailer 13
-
£8,315 GBP
View
B+
Retailer 14
-
£9,670 GBP
View
B+
Retailer 15
-
£11,229 GBP
€14,241 EUR
View
B+
Retailer 16
-
£12,588 GBP
View
B+
Retailer 17
-
£14,356 GBP
ZAR 308,851 ZAR
View
B
Retailer 18
-
£15,852 GBP
$21,110 USD
View
B
Retailer 19
-
£16,261 GBP
$21,654 USD
View
B
Retailer 20
-
£17,272 GBP
$23,001 USD
View
B
Retailer 21
-
£18,780 GBP
$25,009 USD
View
B
Retailer 22
-
£22,200 GBP
$29,563 USD
View
Most Expensive
B
Michael Trio
1571348416 · Oct 30
£23,664 GBP
SGD 42,585 SGD
View
22 more retailers have this diamond
Prices start from £5,814 GBPSave up to £17,850 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 Princess
£5,814 GBP