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Princess|Lab Grown|IGI

3.35ct E SI1 Princess Lab Grown Diamond

ID • E/SI1 • IGI LG727570205

Shape and cutting style on the report: Princess cut

Certificate IGI LG727570205

Diamond specifications and retailer prices

From £385 GBP
$513 USD
As of October 27, 2026
Save £1,762 GBP (82%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: £2,148 GBP at Brilliant Earth · As of October 29, 2026
View at Brilliant Earth

About this 3.35ct lab-grown princess diamond

This 3.35ct 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 LG727570205 or 727570205. Listed at 17 retailers as of October 27, 2026, with prices from £385 to £2,148, a £1,762 spread on the same certified stone. Brilliant Earth lists it at £2,148. 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

3.35
Carat
E
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle44.1°
Pavilion angle37.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG727570205
Dimensions8.22 × 8.20 × 5.67 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
8.22 mm8.20 mm3.35 ctE / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG727570205
Side View
Table 69.0%Crown 44.1°Girdle: MED-STKPavilion 37.8°Culet: NoneDepth 69.1%

Caratlytics Score

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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: £2,148 GBP|Low: £278 GBP|High: £2,208 GBP|Avg: £979 GBP|-2.7%
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
October 29, 2026
Retailer 4£278 GBP
Retailer 10£385 GBP
Retailer 3£431 GBP
Retailer 7£582 GBP
Retailer 5£730 GBP
Retailer 2£738 GBP
Retailer 11£742 GBP
Retailer 12£755 GBP
Retailer 9£1,234 GBP
Retailer 8£1,960 GBP
Retailer 6£2,007 GBP
Brilliant Earth£2,148 GBP

42 data points across 12 retailers

17 retailers£385 GBP to £2,148 GBP

A
Cheapest Retailer
-
£385 GBP
$513 USD
A
Retailer 2
-
£431 GBP
$574 USD
View
Final sale: no returns
A
Retailer 3
-
£432 GBP
$575 USD
View
A
Retailer 4
-
£478 GBP
$637 USD
View
Retailer 5
-
£478 GBP
$637 USD
View
Price last confirmed 13 days ago
A
Retailer 6
-
£582 GBP
$775 USD
View
A
Retailer 7
-
£730 GBP
€926 EUR
View
A
Retailer 8
-
£738 GBP
View
B+
Retailer 9
-
£742 GBP
$988 USD
View
B+
Retailer 10
-
£755 GBP
$1,006 USD
View
B+
Retailer 11
-
£921 GBP
$1,227 USD
View
B+
Retailer 12
-
£1,234 GBP
$1,643 USD
View
B
Retailer 13
-
£1,258 GBP
$1,675 USD
View
B
Retailer 14
-
£1,555 GBP
$2,071 USD
View
Retailer 15
-
£1,960 GBP
$2,610 USD
View
Price last confirmed 11 days ago
B
Retailer 16
-
£2,007 GBP
View
Most Expensive
B
Brilliant Earth
15540912A · Oct 29
£2,148 GBP
$2,860 USD
View
16 more retailers have this diamond
Prices start from £385 GBPSave up to £1,762 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
3.35ct Princess
£385 GBP