Cushion|Lab Grown|IGI

3.50ct G SI1 Cushion Lab Grown Diamond

ID • G/SI1 • IGI LG522237347

Shape and cutting style on the report: Cushion brilliant

Certificate IGI LG522237347

Diamond specifications and retailer prices

From €2,381 EUR
$2,660 USD
As of October 31, 2026
8 retailers carry this diamond
Most expensive: €17,406 EUR at MOH London · As of November 1, 2026
View at MOH London

About this 3.5ct lab-grown cushion diamond

This 3.5ct 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 LG522237347 or 522237347. Listed at 8 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

3.50
Carat
G
Color
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36°
Pavilion angle36.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG522237347
Dimensions9.50 × 7.90 × 5.32 mm
L/W Ratio1.20
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
9.50 mm7.90 mm3.50 ctG / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG522237347
Side View
Table 60.5%Crown 36°Girdle: STK-VTKPavilion 36.2°Culet: NoneDepth 67.3%

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: €17,406 EUR|Low: €2,381 EUR|High: €25,499 EUR|Avg: €12,225 EUR
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
November 1, 2026
Retailer 3€2,381 EUR
Retailer 8€9,010 EUR
Retailer 6€9,415 EUR
Retailer 4€9,751 EUR
Retailer 5€10,413 EUR
Retailer 2€11,567 EUR
MOH London€17,406 EUR
Retailer 7€25,499 EUR

39 data points across 8 retailers

8 retailers

B+
Cheapest Retailer
-
€2,381 EUR
$2,660 USD
Retailer 2
-
€9,010 EUR
$10,066 USD
View
Price under review
Retailer 3
-
€9,415 EUR
$10,518 USD
View
Price under review
Final sale: no returns
Retailer 4
-
€9,751 EUR
$10,894 USD
View
Price under review
Retailer 5
-
€10,413 EUR
$11,633 USD
View
Price under review
Most Expensive
MOH London
LG522237347 · Nov 1
€17,406 EUR
£15,312 GBP
View
Price under review
5 more retailers have this diamond
Prices start from €2,381 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+
3.50ct Cushion
€2,381 EUR