Princess|Lab Grown|IGI

4.00ct D FL Princess Lab Grown Diamond

ID • D/FL • IGI LG811634661

Shape and cutting style on the report: Princess cut

Certificate IGI LG811634661

Diamond specifications and retailer prices

From £4,297 GBP
$5,722 USD
As of October 30, 2026
Save £25,267 GBP (85%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: £29,564 GBP at Do Amore Diamonds · As of October 30, 2026
View at Do Amore Diamonds

About this 4ct lab-grown princess diamond

This 4ct 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 LG811634661 or 811634661. Listed at 13 retailers as of October 30, 2026, with prices from £4,297 to £29,564, a £25,267 spread on the same certified stone. Do Amore Diamonds lists it at £29,564. 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

4.00
Carat
D
Colour
FL
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle42.5°
Pavilion angle36.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG811634661
Dimensions8.64 × 8.60 × 6.09 mm
L/W Ratio1.00
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
8.64 mm8.60 mm4.00 ctD / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG811634661
Side View
Table 58.0%Crown 42.5°Girdle: Slightly ThickPavilion 36.5°Culet: NoneDepth 70.8%

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: £29,564 GBP|Low: £4,297 GBP|High: £32,132 GBP|Avg: £9,944 GBP|-6.4%
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
October 30, 2026
Retailer 2£4,297 GBP
Retailer 13£4,614 GBP
Retailer 4£4,650 GBP
Retailer 6£5,024 GBP
Retailer 3£6,227 GBP
Retailer 10£6,531 GBP
Retailer 11£7,216 GBP
Retailer 12£7,944 GBP
Retailer 7£9,641 GBP
Retailer 8£11,057 GBP
Retailer 9£11,063 GBP
Retailer 5£15,770 GBP
Do Amore Diamonds£29,564 GBP

31 data points across 13 retailers

13 retailers£4,297 GBP to £29,564 GBP

A+
Cheapest Retailer
-
£4,297 GBP
$5,722 USD
A
Retailer 2
-
£4,614 GBP
$6,145 USD
View
A
Retailer 3
-
£4,650 GBP
$6,192 USD
View
A
Retailer 4
-
£5,024 GBP
$6,690 USD
View
A
Retailer 5
-
£6,227 GBP
$8,293 USD
View
A
Retailer 6
-
£6,531 GBP
$8,697 USD
View
A
Retailer 7
-
£7,216 GBP
$9,610 USD
View
B+
Retailer 8
-
£7,944 GBP
$10,579 USD
View
B+
Retailer 9
-
£9,641 GBP
€12,228 EUR
View
B+
Retailer 10
-
£11,057 GBP
View
B+
Retailer 11
-
£11,063 GBP
$14,733 USD
View
B
Retailer 12
-
£15,770 GBP
$21,000 USD
View
Most Expensive
B
Do Amore Diamonds
27-37915FE49 · Oct 30
£29,564 GBP
$39,370 USD
View
12 more retailers have this diamond
Prices start from £4,297 GBPSave up to £25,267 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+
4.00ct Princess
£4,297 GBP