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Princess|Lab Grown|IGI

4.00ct E SI1 Princess Lab Grown Diamond

EX • E/SI1 • IGI LG662402698

Shape and cutting style on the report: Princess cut

Certificate IGI LG662402698

Diamond specifications and retailer prices

From £381 GBP
$507 USD
As of October 30, 2026
Save £2,998 GBP (89%) vs most expensive(unlock to see where)
9 retailers carry this diamond
Most expensive: £3,379 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 E colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG662402698 or 662402698. Listed at 9 retailers as of October 30, 2026, with prices from £381 to £3,379, a £2,998 spread on the same certified stone. Do Amore Diamonds lists it at £3,379. SI-grade stones are eye-clean roughly 60 to 70% of the time at this carat range. Check the inclusion plot on the cert and ask the retailer for high-resolution video before buying.

The 4Cs

4.00
Carat
E
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle45.3°
Pavilion angle39.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG662402698
Dimensions8.52 × 8.51 × 6.24 mm
L/W Ratio1.00
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
8.52 mm8.51 mm4.00 ctE / SI1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG662402698
Side View
Table 69.0%Crown 45.3°Girdle: MED-STKPavilion 39.5°Culet: NoneDepth 73.3%

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: £3,379 GBP|Low: £381 GBP|High: £3,800 GBP|Avg: £1,558 GBP|+2.3%
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
October 29, 2026
Retailer 12£381 GBP
Retailer 8£427 GBP
Retailer 7£732 GBP
Retailer 13£732 GBP
Retailer 6£750 GBP
Retailer 5£847 GBP
Retailer 10£1,217 GBP
Retailer 14£1,232 GBP
Retailer 3£1,321 GBP
Retailer 11£1,370 GBP
Retailer 9£1,712 GBP
Retailer 2£2,274 GBP
Do Amore Diamonds£3,379 GBP
Retailer 4£3,800 GBP

23 data points across 14 retailers

9 retailers£381 GBP to £3,379 GBP

A
Cheapest Retailer
-
£381 GBP
$507 USD
A
Retailer 2
-
£427 GBP
$568 USD
View
B+
Retailer 3
-
£732 GBP
$975 USD
View
A
Retailer 4
-
£732 GBP
$975 USD
View
B+
Retailer 5
-
£1,217 GBP
$1,621 USD
View
B+
Retailer 6
-
£1,370 GBP
$1,824 USD
View
B
Retailer 7
-
£1,712 GBP
$2,280 USD
View
B
Retailer 8
-
£2,274 GBP
View
Most Expensive
B
Do Amore Diamonds
27-55DCFAD5D · Oct 30
£3,379 GBP
$4,500 USD
View
8 more retailers have this diamond
Prices start from £381 GBPSave up to £2,998 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
£381 GBP