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Princess|Lab Grown|IGI

4.07ct D FL Princess Lab Grown Diamond

ID • D/FL • IGI LG804665316

Shape and cutting style on the report: Princess cut

Certificate IGI LG804665316

Diamond specifications and retailer prices

From £4,370 GBP
$5,819 USD
As of October 30, 2026
Save £11,678 GBP (73%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: £16,047 GBP at Brilliant Earth · As of October 29, 2026
View at Brilliant Earth

About this 4.07ct lab-grown princess diamond

This 4.07ct 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 LG804665316 or 804665316. Listed at 14 retailers as of October 29, 2026, with prices from £4,370 to £16,047, a £11,678 spread on the same certified stone. Brilliant Earth lists it at £16,047. 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

4.07
Carat
D
Colour
FL
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle42.8°
Pavilion angle38.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG804665316
Dimensions8.82 × 8.59 × 6.20 mm
L/W Ratio1.03
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
8.82 mm8.59 mm4.07 ctD / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG804665316
Side View
Table 68.0%Crown 42.8°Girdle: MediumPavilion 38.1°Culet: NoneDepth 72.2%

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 30
Current: £16,047 GBP|Low: £4,370 GBP|High: £32,132 GBP|Avg: £9,384 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 30, 2026
Retailer 7£4,370 GBP
Retailer 8£4,586 GBP
Retailer 3£4,691 GBP
Retailer 5£4,729 GBP
Retailer 9£5,065 GBP
Retailer 6£6,068 GBP
Retailer 4£6,224 GBP
Retailer 12£6,641 GBP
Retailer 13£7,292 GBP
Retailer 14£8,078 GBP
Retailer 10£9,811 GBP
Retailer 11£11,244 GBP
Brilliant Earth£16,047 GBP
Retailer 2£30,060 GBP

32 data points across 14 retailers

14 retailers£4,370 GBP to £16,047 GBP

A+
Cheapest Retailer
-
£4,370 GBP
$5,819 USD
A
Retailer 2
-
£4,586 GBP
$6,107 USD
View
A
Retailer 3
-
£4,691 GBP
$6,247 USD
View
A
Retailer 4
-
£4,729 GBP
$6,297 USD
View
A
Retailer 5
-
£5,065 GBP
$6,745 USD
View
A
Retailer 6
-
£6,068 GBP
$8,080 USD
View
Final sale: no returns
A
Retailer 7
-
£6,224 GBP
$8,288 USD
View
A
Retailer 8
-
£6,641 GBP
$8,844 USD
View
A
Retailer 9
-
£7,292 GBP
$9,710 USD
View
B+
Retailer 10
-
£8,078 GBP
$10,757 USD
View
B+
Retailer 11
-
£9,811 GBP
€12,443 EUR
View
B+
Retailer 12
-
£11,244 GBP
View
Most Expensive
B
Brilliant Earth
20496356Y · Oct 29
£16,047 GBP
$21,370 USD
View
12 more retailers have this diamond
Prices start from £4,370 GBPSave up to £11,678 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+
4.07ct Princess
£4,370 GBP