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Cushion|Lab Grown|IGI

3.80ct G SI1 Cushion Lab Grown Diamond

ID • G/SI1 • IGI LG522238971

Shape and cutting style on the report: Square cushion brilliant

Certificate IGI LG522238971

Diamond specifications and retailer prices

From €2,542 EUR
$2,840 USD
As of October 31, 2026
7 retailers carry this diamond
Most expensive: €17,070 EUR at MOH London · As of October 29, 2026
View at MOH London

About this 3.8ct lab-grown cushion diamond

This 3.8ct lab-grown cushion sits in the three to five carat band, graded G colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG522238971 or 522238971. Listed at 7 retailers as of October 31, 2026. 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

3.80
Carat
G
Color
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.6°
Pavilion angle33.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG522238971
Dimensions8.81 × 8.67 × 5.64 mm
L/W Ratio1.02
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
8.81 mm8.67 mm3.80 ctG / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG522238971
Side View
Table 64.0%Crown 34.6°Girdle: STK-VTKPavilion 33.5°Culet: NoneDepth 65.1%

Caratlytics Score

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B
Good
Decent quality, room for better deals
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Price History

Last verified: Oct 31
Current: €17,070 EUR|Low: €2,542 EUR|High: €17,206 EUR|Avg: €10,986 EUR|+0.5%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
November 1, 2026
Retailer 4€2,542 EUR
Retailer 7€10,204 EUR
Retailer 6€10,568 EUR
Retailer 5€11,281 EUR
Retailer 3€12,468 EUR
Retailer 2€12,953 EUR
MOH London€17,070 EUR

44 data points across 7 retailers

7 retailers

B
Cheapest Retailer
-
€2,542 EUR
$2,840 USD
Retailer 2
-
€10,204 EUR
$11,400 USD
View
Price under review
Final sale: no returns
Retailer 3
-
€10,568 EUR
$11,807 USD
View
Price under review
Retailer 4
-
€11,281 EUR
$12,603 USD
View
Price under review
Most Expensive
MOH London
LG522238971 · Oct 29
€17,070 EUR
£15,016 GBP
View
Price under review
4 more retailers have this diamond
Prices start from €2,542 EUR

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.

B
3.80ct Cushion
€2,542 EUR