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Cushion|Lab Grown|IGI

1.51ct G SI1 Cushion Lab Grown Diamond

EX • G/SI1 • IGI LG520297455

Shape and cutting style on the report: Square cushion modified brilliant

Certificate IGI LG520297455

Diamond specifications and retailer prices

From $757 CAD
$542 USD
As of November 1, 2026
1 retailer carries this diamond
Only listing: $757 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 LG520297455 or 520297455. 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 angle40°
Pavilion angle41°
OriginLab Grown
Grading LabIGI
CertificateIGI LG520297455
Dimensions6.62 × 6.55 × 4.48 mm
L/W Ratio1.01
Girdle conditionFaceted
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
6.62 mm6.55 mm1.51 ctG / SI1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG520297455
Side View
Table 65.0%Crown 40°Girdle: MED-THKPavilion 41°Culet: NoneDepth 68.4%

Caratlytics Score

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

Last verified: Nov 1
Current: $757 CAD|Low: $736 CAD|High: $3,311 CAD|Avg: $1,381 CAD|+2.8%
B2C Jewels
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
September 23, 2026
B2C Jewels$757 CAD
Retailer 4$803 CAD
Retailer 5$844 CAD
Retailer 3$1,003 CAD
Retailer 2$1,265 CAD
Retailer 9$1,325 CAD
Retailer 8$1,672 CAD
Retailer 6$1,751 CAD
Retailer 7$3,311 CAD

41 data points across 9 retailers

1 retailer

B+
B2C Jewels
20444951 · Nov 1
$757 CAD
$542 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
$757 CAD