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Cushion|Lab Grown|IGI

1.51ct G SI1 Cushion Lab Grown Diamond

EX • G/SI1 • IGI LG570339073

Shape and cutting style on the report: Square cushion brilliant

Certificate IGI LG570339073

Diamond specifications and retailer prices

From $879 CAD
$629 USD
As of November 1, 2026
1 retailer carries this diamond
Only listing: $879 CAD at B2C Jewels
Only one retailer lists this diamond right now, and it is shown above, so there is nothing to unlock. Similar diamonds are carried by several retailers.
View at B2C Jewels

About this 1.51ct lab-grown cushion diamond

This 1.51ct lab-grown cushion sits in the one-and-a-half to two carat band, graded G colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG570339073 or 570339073. Listed at a single retailer as of November 1, 2026. If it later appears at another store, Carat Hunter will surface the price comparison automatically. 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

1.51
Carat
G
Color
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.5°
Pavilion angle39.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG570339073
Dimensions6.75 × 6.56 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
6.75 mm6.56 mm1.51 ctG / SI1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG570339073
Side View
Table 64.5%Crown 33.5°Girdle: MED-STKPavilion 39.9°Culet: NoneDepth 64.8%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
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Price History

Last verified: Nov 1
Current: $879 CAD|Low: $847 CAD|High: $1,078 CAD|Avg: $935 CAD|-18.5%
September 23, 2026
B2C Jewels$879 CAD

3 data points across 1 retailer

1 retailer

B+
B2C Jewels
21988606 · Nov 1
$879 CAD
$629 USD
View

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+
1.51ct Cushion
$879 CAD