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Cushion|Lab Grown|IGI

3.55ct G SI1 Cushion Lab Grown Diamond

ID • G/SI1 • IGI LG522238972

Shape and cutting style on the report: Square cushion brilliant

Certificate IGI LG522238972

Diamond specifications and retailer prices

From €2,417 EUR
$2,700 USD
As of October 31, 2026
9 retailers carry this diamond
Most expensive: €17,649 EUR at MOH London · As of November 1, 2026
View at MOH London

About this 3.55ct lab-grown cushion diamond

This 3.55ct 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 LG522238972 or 522238972. Listed at 9 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

3.55
Carat
G
Color
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle32.2°
Pavilion angle32.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG522238972
Dimensions8.71 × 8.48 × 5.36 mm
L/W Ratio1.03
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
8.71 mm8.48 mm3.55 ctG / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG522238972
Side View
Table 61.0%Crown 32.2°Girdle: STK-VTKPavilion 32.1°Culet: NoneDepth 63.2%

Caratlytics Score

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B+
Very Good
Strong quality and value balance
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 31
Current: €17,649 EUR|Low: €2,417 EUR|High: €17,886 EUR|Avg: €11,223 EUR
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
November 1, 2026
Retailer 4€2,417 EUR
Retailer 7€9,546 EUR
Retailer 5€9,888 EUR
Retailer 6€10,558 EUR
Retailer 3€11,732 EUR
Retailer 2€12,118 EUR
MOH London€17,649 EUR

44 data points across 7 retailers

9 retailers

B+
Cheapest Retailer
-
€2,417 EUR
$2,700 USD
Retailer 2
-
€9,138 EUR
$10,209 USD
View
Price under review
Retailer 3
-
€9,546 EUR
$10,665 USD
View
Price under review
Final sale: no returns
Retailer 4
-
€9,888 EUR
$11,047 USD
View
Price under review
Retailer 5
-
€10,558 EUR
$11,795 USD
View
Price under review
Most Expensive
MOH London
LG522238972 · Nov 1
€17,649 EUR
£15,526 GBP
View
Price under review
5 more retailers have this diamond
Prices start from €2,417 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+
3.55ct Cushion
€2,417 EUR