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Cushion|Lab Grown|IGI

4.10ct H SI1 Cushion Lab Grown Diamond

ID • H/SI1 • IGI LG658469597

Shape and cutting style on the report: Square cushion brilliant

Certificate IGI LG658469597

Diamond specifications and retailer prices

From £439 GBP
HK$4,600 HKD
As of November 1, 2026
Save £1,010 GBP (70%) vs most expensive(unlock to see where)
8 retailers carry this diamond
Most expensive: £1,449 GBP at MOH London · As of November 1, 2026
View at MOH London

About this 4.1ct lab-grown cushion diamond

This 4.1ct lab-grown cushion sits in the three to five carat band, graded H colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG658469597 or 658469597. Listed at 8 retailers as of November 1, 2026, with prices from £439 to £1,449, a £1,010 spread on the same certified stone. MOH London lists it at £1,449. 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

4.10
Carat
H
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.4°
Pavilion angle40.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG658469597
Dimensions9.33 × 9.27 × 6.17 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
9.33 mm9.27 mm4.10 ctH / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG658469597
Side View
Table 66.0%Crown 36.4°Girdle: MED-STKPavilion 40.1°Culet: NoneDepth 66.6%

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: Nov 1
Current: £1,449 GBP|Low: £439 GBP|High: £3,911 GBP|Avg: £1,567 GBP|-0.5%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
November 1, 2026
Retailer 7£439 GBP
Retailer 2£448 GBP
Retailer 5£504 GBP
Retailer 9£622 GBP
Retailer 4£623 GBP
Retailer 6£654 GBP
Retailer 8£957 GBP
MOH London£1,449 GBP
Retailer 11£3,447 GBP
Retailer 10£3,547 GBP
Retailer 3£3,911 GBP

5 data points across 11 retailers

8 retailers£439 GBP to £1,449 GBP

A
Cheapest Retailer
-
£439 GBP
HK$4,600 HKD
A
Retailer 2
-
£448 GBP
View
A
Retailer 3
-
£504 GBP
$675 USD
View
B+
Retailer 4
-
£622 GBP
$833 USD
View
A
Retailer 5
-
£623 GBP
€795 EUR
View
A
Retailer 6
-
£654 GBP
$876 USD
View
B+
Retailer 7
-
£957 GBP
$1,282 USD
View
Most Expensive
B+
MOH London
LG658469597 · Nov 1
£1,449 GBP
View
7 more retailers have this diamond
Prices start from £439 GBPSave up to £1,010 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
4.10ct Cushion
£439 GBP