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Cushion|Lab Grown|IGI

3.57ct G SI1 Cushion Lab Grown Diamond

VG • G/SI1 • IGI LG523274677

Shape and cutting style on the report: Square cushion brilliant

Certificate IGI LG523274677

Diamond specifications and retailer prices

From $2,670 USD
As of November 2, 2026
7 retailers carry this diamond
Most expensive: $19,826 USD at MOH London · As of November 1, 2026
View at MOH London

About this 3.57ct lab-grown cushion diamond

This 3.57ct lab-grown cushion sits in the three to five carat band, graded G colour (near-colourless) and SI1 clarity (slightly-included), with a very-good cut grade and certified by IGI LG523274677 or 523274677. Listed at 7 retailers as of November 2, 2026. Cut grade matters more than carat or clarity for visible brilliance. If you can shift budget toward an Excellent or Ideal cut, do it before chasing higher colour or clarity.

The 4Cs

3.57
Carat
G
Color
SI1
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34°
Pavilion angle31.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG523274677
Dimensions8.75 × 8.41 × 5.29 mm
L/W Ratio1.04
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
8.75 mm8.41 mm3.57 ctG / SI1
OriginLab Grown
CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG523274677
Side View
Table 64.5%Crown 34°Girdle: THK-ETKPavilion 31.9°Culet: NoneDepth 62.9%

Caratlytics Score

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B
Good
Decent quality, room for better deals
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Price History

Last verified: Nov 2
Current: $19,826 USD|Low: $2,670 USD|High: $20,091 USD|Avg: $12,584 USD
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
November 2, 2026
Retailer 4$2,670 USD
Retailer 7$10,724 USD
Retailer 5$11,107 USD
Retailer 6$11,860 USD
Retailer 3$13,071 USD
Retailer 2$13,612 USD
MOH London$19,826 USD

44 data points across 7 retailers

7 retailers

B
Cheapest Retailer
-
$2,670 USD
Retailer 2
-
$10,724 USD
View
Price under review
Final sale: no returns
Retailer 3
-
$11,107 USD
View
Price under review
Retailer 4
-
$11,860 USD
View
Price under review
Most Expensive
MOH London
LG523274677 · Nov 1
$19,826 USD
£15,611 GBP
View
Price under review
4 more retailers have this diamond
Prices start from $2,670 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
3.57ct Cushion
$2,670 USD