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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 $2,660 USD
As of November 2, 2026
8 retailers carry this diamond
Most expensive: $19,446 USD at MOH London · As of November 3, 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 November 2, 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

How it works →
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: Nov 2
Current: $19,446 USD|Low: $2,660 USD|High: $28,488 USD|Avg: $13,665 USD
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
November 3, 2026
Retailer 3$2,660 USD
Retailer 8$10,066 USD
Retailer 6$10,518 USD
Retailer 4$10,894 USD
Retailer 5$11,633 USD
Retailer 2$12,796 USD
MOH London$19,446 USD
Retailer 7$28,488 USD

39 data points across 8 retailers

8 retailers

B+
Cheapest Retailer
-
$2,660 USD
Retailer 2
-
$10,066 USD
View
Price under review
Retailer 3
-
$10,518 USD
View
Price under review
Final sale: no returns
Retailer 4
-
$10,894 USD
View
Price under review
Retailer 5
-
$11,633 USD
View
Price under review
Most Expensive
MOH London
LG522237347 · Nov 3
$19,446 USD
£15,312 GBP
View
Price under review
5 more retailers have this diamond
Prices start from $2,660 USD

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
$2,660 USD