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Round|Lab Grown|IGI

3.52ct E SI1 Round Lab Grown Diamond

ID • E/SI1 • IGI LG607395370

Shape and cutting style on the report: Round brilliant

Certificate IGI LG607395370

Diamond specifications and retailer prices

From £336 GBP
$448 USD
As of October 29, 2026
Save £3,058 GBP (90%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: £3,394 GBP at Brilliant Earth · As of October 29, 2026
View at Brilliant Earth

About this 3.52ct lab-grown round diamond

This 3.52ct lab-grown round 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 LG607395370 or 607395370. Listed at 14 retailers as of October 29, 2026, with prices from £336 to £3,394, a £3,058 spread on the same certified stone. Brilliant Earth lists it at £3,394. 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

3.52
Carat
E
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.2°
Pavilion angle41.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG607395370
Dimensions9.79 × 9.84 × 5.94 mm
L/W Ratio1.01
Girdle conditionFaceted
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
9.79 mm9.84 mm3.52 ctE / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG607395370
Side View
Table 60.0%Crown 33.2°Girdle: MediumPavilion 41.2°Culet: NoneDepth 60.5%

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 29
Current: £3,394 GBP|Low: £240 GBP|High: £3,394 GBP|Avg: £1,049 GBP|+53.7%
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
October 30, 2026
Retailer 3£336 GBP
Retailer 13£509 GBP
Retailer 10£618 GBP
Retailer 11£628 GBP
Retailer 14£645 GBP
Retailer 6£661 GBP
Retailer 7£677 GBP
Retailer 12£912 GBP
Retailer 5£1,325 GBP
Retailer 2£1,371 GBP
Retailer 8£1,437 GBP
Retailer 4£1,463 GBP
Retailer 9£1,522 GBP
Brilliant Earth£3,394 GBP

41 data points across 14 retailers

14 retailers£336 GBP to £3,394 GBP

A
Cheapest Retailer
-
£336 GBP
$448 USD
Final sale: no returns
A
Retailer 2
-
£509 GBP
HK$5,300 HKD
View
A
Retailer 3
-
£618 GBP
$823 USD
View
A
Retailer 4
-
£628 GBP
€797 EUR
View
A
Retailer 5
-
£645 GBP
$859 USD
View
B+
Retailer 6
-
£661 GBP
$880 USD
View
A
Retailer 7
-
£677 GBP
View
B+
Retailer 8
-
£912 GBP
A$1,868 AUD
View
B+
Retailer 9
-
£1,325 GBP
$1,764 USD
View
B+
Retailer 10
-
£1,371 GBP
$1,826 USD
View
B+
Retailer 11
-
£1,437 GBP
$1,913 USD
View
B+
Retailer 12
-
£1,463 GBP
SGD 2,633 SGD
View
B
Retailer 13
-
£1,522 GBP
View
Most Expensive
C
Brilliant Earth
8503955A · Oct 29
£3,394 GBP
$4,520 USD
View
13 more retailers have this diamond
Prices start from £336 GBPSave up to £3,058 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
3.52ct Round
£336 GBP