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Princess|Lab Grown|IGI

4.26ct D FL Princess Lab Grown Diamond

ID • D/FL • IGI LG804660044

Shape and cutting style on the report: Princess cut

Certificate IGI LG804660044

Diamond specifications and retailer prices

From £4,538 GBP
$6,081 USD
As of October 30, 2026
Save £26,688 GBP (85%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: £31,226 GBP at Do Amore Diamonds · As of October 31, 2026
View at Do Amore Diamonds

About this 4.26ct lab-grown princess diamond

This 4.26ct 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 LG804660044 or 804660044. Listed at 15 retailers as of October 30, 2026, with prices from £4,538 to £31,226, a £26,688 spread on the same certified stone. Do Amore Diamonds lists it at £31,226. 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

4.26
Carat
D
Colour
FL
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle43.3°
Pavilion angle37.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG804660044
Dimensions8.78 × 8.60 × 6.29 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
8.78 mm8.60 mm4.26 ctD / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG804660044
Side View
Table 66.0%Crown 43.3°Girdle: Slightly ThickPavilion 37.5°Culet: NoneDepth 73.1%

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: £31,226 GBP|Low: £4,538 GBP|High: £33,391 GBP|Avg: £9,601 GBP|-6.5%
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 31, 2026
Retailer 11£4,538 GBP
Retailer 9£4,721 GBP
Retailer 2£4,756 GBP
Retailer 12£4,770 GBP
Retailer 13£5,258 GBP
Retailer 3£5,433 GBP
Retailer 8£6,260 GBP
Retailer 7£6,304 GBP
Retailer 6£6,305 GBP
Retailer 4£6,898 GBP
Retailer 5£7,385 GBP
Retailer 10£10,187 GBP
Retailer 14£10,205 GBP
Retailer 15£11,680 GBP
Do Amore Diamonds£31,226 GBP

33 data points across 15 retailers

15 retailers£4,538 GBP to £31,226 GBP

A+
Cheapest Retailer
-
£4,538 GBP
$6,081 USD
A
Retailer 2
-
£4,721 GBP
$6,326 USD
View
A
Retailer 3
-
£4,756 GBP
$6,373 USD
View
A
Retailer 4
-
£4,770 GBP
$6,391 USD
View
A
Retailer 5
-
£4,889 GBP
$6,551 USD
View
A
Retailer 6
-
£5,258 GBP
$7,045 USD
View
A
Retailer 7
-
£6,260 GBP
$8,388 USD
View
A
Retailer 8
-
£6,304 GBP
$8,446 USD
View
Final sale: no returns
A
Retailer 9
-
£6,305 GBP
$8,448 USD
View
A
Retailer 10
-
£6,898 GBP
$9,243 USD
View
A
Retailer 11
-
£7,385 GBP
$9,895 USD
View
B+
Retailer 12
-
£10,187 GBP
$13,650 USD
View
B+
Retailer 13
-
£10,205 GBP
€13,023 EUR
View
B+
Retailer 14
-
£11,680 GBP
View
Most Expensive
B
Do Amore Diamonds
27-A4FC11057 · Oct 31
£31,226 GBP
$41,840 USD
View
14 more retailers have this diamond
Prices start from £4,538 GBPSave up to £26,688 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+
4.26ct Princess
£4,538 GBP