Princess|Lab Grown|IGI

3.34ct E SI1 Princess Lab Grown Diamond

ID • E/SI1 • IGI LG628438710

Shape and cutting style on the report: Princess cut

Certificate IGI LG628438710

Diamond specifications and retailer prices

From £294 GBP
$391 USD
As of October 27, 2026
Save £1,839 GBP (86%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: £2,133 GBP at Brilliant Earth · As of October 29, 2026
View at Brilliant Earth

About this 3.34ct lab-grown princess diamond

This 3.34ct 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 LG628438710 or 628438710. Listed at 16 retailers as of October 27, 2026, with prices from £294 to £2,133, a £1,839 spread on the same certified stone. Brilliant Earth lists it at £2,133. 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

3.34
Carat
E
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle50.4°
Pavilion angle36.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG628438710
Dimensions7.97 × 7.88 × 5.62 mm
L/W Ratio1.01
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process and may include post-growth treatment Type IIa
Top View
7.97 mm7.88 mm3.34 ctE / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG628438710
Side View
Table 70.0%Crown 50.4°Girdle: MediumPavilion 36.5°Culet: NoneDepth 71.3%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 27
Current: £2,133 GBP|Low: £446 GBP|High: £2,133 GBP|Avg: £891 GBP
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
October 29, 2026
Retailer 4£448 GBP
Retailer 5£477 GBP
Retailer 9£488 GBP
Retailer 3£583 GBP
Retailer 2£595 GBP
Retailer 10£659 GBP
Retailer 7£878 GBP
Retailer 6£1,425 GBP
Retailer 8£1,911 GBP
Brilliant Earth£2,133 GBP

44 data points across 10 retailers

16 retailers£294 GBP to £2,133 GBP

A
Cheapest Retailer
-
£294 GBP
$391 USD
A
Retailer 2
-
£329 GBP
$438 USD
View
A
Retailer 3
-
£364 GBP
$485 USD
View
A
Retailer 4
-
£364 GBP
$485 USD
View
A
Retailer 5
-
£448 GBP
View
A
Retailer 6
-
£477 GBP
$635 USD
View
B+
Retailer 7
-
£488 GBP
$650 USD
View
A
Retailer 8
-
£583 GBP
€740 EUR
View
A
Retailer 9
-
£595 GBP
View
A
Retailer 10
-
£659 GBP
$877 USD
View
B+
Retailer 11
-
£878 GBP
$1,169 USD
View
B+
Retailer 12
-
£885 GBP
$1,179 USD
View
B+
Retailer 13
-
£1,171 GBP
$1,559 USD
View
B
Retailer 14
-
£1,425 GBP
View
B
Retailer 15
-
£1,911 GBP
$2,545 USD
View
Price last confirmed 11 days ago
Most Expensive
B
Brilliant Earth
10204905A · Oct 29
£2,133 GBP
$2,840 USD
View
15 more retailers have this diamond
Prices start from £294 GBPSave up to £1,839 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
3.34ct Princess
£294 GBP