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Princess|Lab Grown|IGI

4.05ct D FL Princess Lab Grown Diamond

ID • D/FL • IGI LG804665034

Shape and cutting style on the report: Princess cut

Certificate IGI LG804665034

Diamond specifications and retailer prices

From £4,765 GBP
$6,346 USD
As of October 30, 2026
Save £15,203 GBP (76%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: £19,969 GBP at Taylor and Hart · As of October 30, 2026
View at Taylor and Hart

About this 4.05ct lab-grown princess diamond

This 4.05ct 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 LG804665034 or 804665034. Listed at 11 retailers as of October 30, 2026, with prices from £4,765 to £19,969, a £15,203 spread on the same certified stone. Taylor and Hart lists it at £19,969. 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

4.05
Carat
D
Colour
FL
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle43°
Pavilion angle38.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG804665034
Dimensions8.80 × 8.61 × 6.30 mm
L/W Ratio1.02
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
8.80 mm8.61 mm4.05 ctD / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG804665034
Side View
Table 68.0%Crown 43°Girdle: MED-STKPavilion 38.7°Culet: NoneDepth 73.2%

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: £7,468 GBP|Low: £4,765 GBP|High: £29,534 GBP|Avg: £12,586 GBP|-8.0%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Taylor and Hart
October 30, 2026
Retailer 10£4,765 GBP
Retailer 8£5,488 GBP
Retailer 11£7,134 GBP
Retailer 4£7,308 GBP
Retailer 7£7,423 GBP
Retailer 1£7,468 GBP
Retailer 5£11,427 GBP
Retailer 6£12,729 GBP
Retailer 2£15,965 GBP
Retailer 9£18,734 GBP
Taylor and Hart£19,969 GBP
Retailer 3£29,534 GBP

35 data points across 12 retailers

11 retailers£4,765 GBP to £19,969 GBP

A
Cheapest Retailer
-
£4,765 GBP
$6,346 USD
A
Retailer 2
-
£5,488 GBP
$7,308 USD
View
A
Retailer 3
-
£7,134 GBP
$9,500 USD
View
A
Retailer 4
-
£7,308 GBP
View
A
Retailer 5
-
£7,423 GBP
$9,885 USD
View
A
Retailer 6
-
£7,468 GBP
HK$77,700 HKD
View
B+
Retailer 7
-
£11,427 GBP
€14,493 EUR
View
B+
Retailer 8
-
£12,729 GBP
View
B
Retailer 9
-
£15,965 GBP
$21,260 USD
View
B
Retailer 10
-
£18,734 GBP
$24,948 USD
View
Most Expensive
B
Taylor and Hart
WXPMHLU · Oct 30
£19,969 GBP
$26,592 USD
View
10 more retailers have this diamond
Prices start from £4,765 GBPSave up to £15,203 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
4.05ct Princess
£4,765 GBP