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Princess|Lab Grown|IGI

4.04ct D FL Princess Lab Grown Diamond

ID • D/FL • IGI LG784646989

Shape and cutting style on the report: Princess cut

Certificate IGI LG784646989

Diamond specifications and retailer prices

From £4,480 GBP
$5,966 USD
As of October 27, 2026
Save £11,447 GBP (72%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: £15,927 GBP at Brilliant Earth · As of October 29, 2026
View at Brilliant Earth

About this 4.04ct lab-grown princess diamond

This 4.04ct 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 LG784646989 or 784646989. Listed at 14 retailers as of October 27, 2026, with prices from £4,480 to £15,927, a £11,447 spread on the same certified stone. Brilliant Earth lists it at £15,927. 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

4.04
Carat
D
Colour
FL
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle44.3°
Pavilion angle37.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG784646989
Dimensions8.61 × 8.55 × 6.24 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
8.61 mm8.55 mm4.04 ctD / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG784646989
Side View
Table 65.0%Crown 44.3°Girdle: MED-STKPavilion 37.8°Culet: NoneDepth 73.0%

Caratlytics Score

How it works →
A+
Exceptional
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 27
Current: £15,927 GBP|Low: £4,480 GBP|High: £31,907 GBP|Avg: £9,350 GBP|-3.0%
Brilliant Earth
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
October 29, 2026
Retailer 11£4,480 GBP
Retailer 13£4,659 GBP
Retailer 4£4,695 GBP
Retailer 5£4,700 GBP
Retailer 2£5,031 GBP
Retailer 6£6,024 GBP
Retailer 14£6,288 GBP
Retailer 9£6,594 GBP
Retailer 10£7,258 GBP
Retailer 12£8,021 GBP
Retailer 7£9,738 GBP
Retailer 8£11,164 GBP
Brilliant Earth£15,927 GBP
Retailer 3£30,826 GBP

31 data points across 14 retailers

14 retailers£4,480 GBP to £15,927 GBP

A+
Cheapest Retailer
-
£4,480 GBP
$5,966 USD
A+
Retailer 2
-
£4,659 GBP
$6,204 USD
View
A
Retailer 3
-
£4,695 GBP
$6,252 USD
View
A
Retailer 4
-
£4,700 GBP
$6,259 USD
View
A
Retailer 5
-
£5,031 GBP
$6,700 USD
View
A
Retailer 6
-
£6,024 GBP
$8,022 USD
View
Final sale: no returns
A
Retailer 7
-
£6,288 GBP
$8,373 USD
View
A
Retailer 8
-
£6,594 GBP
$8,781 USD
View
A
Retailer 9
-
£7,258 GBP
$9,665 USD
View
B+
Retailer 10
-
£8,021 GBP
$10,682 USD
View
B+
Retailer 11
-
£9,738 GBP
€12,350 EUR
View
B+
Retailer 12
-
£11,164 GBP
View
Most Expensive
B
Brilliant Earth
20496832Y · Oct 29
£15,927 GBP
$21,210 USD
View
12 more retailers have this diamond
Prices start from £4,480 GBPSave up to £11,447 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+
4.04ct Princess
£4,480 GBP