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Princess|Lab Grown|IGI

4.09ct D FL Princess Lab Grown Diamond

ID • D/FL • IGI LG768632808

Shape and cutting style on the report: Princess cut

Certificate IGI LG768632808

Diamond specifications and retailer prices

From £3,844 GBP
$5,151 USD
As of October 30, 2026
Save £22,606 GBP (85%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: £26,450 GBP at Do Amore Diamonds · As of October 30, 2026
View at Do Amore Diamonds

About this 4.09ct lab-grown princess diamond

This 4.09ct 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 LG768632808 or 768632808. Listed at 15 retailers as of October 30, 2026, with prices from £3,844 to £26,450, a £22,606 spread on the same certified stone. Do Amore Diamonds lists it at £26,450. 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

4.09
Carat
D
Colour
FL
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle45.8°
Pavilion angle36.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG768632808
Dimensions8.60 × 8.55 × 6.15 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
8.60 mm8.55 mm4.09 ctD / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG768632808
Side View
Table 65.0%Crown 45.8°Girdle: MED-STKPavilion 36.8°Culet: NoneDepth 71.9%

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: £26,450 GBP|Low: £3,844 GBP|High: £32,092 GBP|Avg: £9,405 GBP|-17.6%
Do Amore Diamonds
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
October 30, 2026
Retailer 2£3,844 GBP
Retailer 3£4,040 GBP
Retailer 5£4,041 GBP
Retailer 8£4,097 GBP
Retailer 9£4,474 GBP
Retailer 4£5,608 GBP
Retailer 13£5,844 GBP
Retailer 7£6,059 GBP
Retailer 15£6,910 GBP
Retailer 14£6,941 GBP
Retailer 10£8,593 GBP
Retailer 11£10,070 GBP
Retailer 12£12,339 GBP
Retailer 6£16,024 GBP
Do Amore Diamonds£26,450 GBP

33 data points across 15 retailers

15 retailers£3,844 GBP to £26,450 GBP

A
Cheapest Retailer
-
£3,844 GBP
$5,151 USD
A
Retailer 2
-
£4,040 GBP
$5,413 USD
View
A
Retailer 3
-
£4,041 GBP
$5,414 USD
View
A
Retailer 4
-
£4,097 GBP
$5,489 USD
View
A
Retailer 5
-
£4,474 GBP
$5,995 USD
View
A
Retailer 6
-
£5,608 GBP
$7,514 USD
View
A
Retailer 7
-
£5,844 GBP
$7,830 USD
View
A
Retailer 8
-
£6,059 GBP
$8,118 USD
View
Final sale: no returns
A
Retailer 9
-
£6,910 GBP
$9,259 USD
View
A
Retailer 10
-
£6,941 GBP
$9,300 USD
View
B+
Retailer 11
-
£8,593 GBP
€10,966 EUR
View
B+
Retailer 12
-
£10,070 GBP
View
B+
Retailer 13
-
£12,339 GBP
$16,533 USD
View
B
Retailer 14
-
£16,024 GBP
$21,470 USD
View
Most Expensive
B
Do Amore Diamonds
27-30E8E7476 · Oct 30
£26,450 GBP
$35,440 USD
View
14 more retailers have this diamond
Prices start from £3,844 GBPSave up to £22,606 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
4.09ct Princess
£3,844 GBP