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Round|Lab Grown|IGI

1.51ct E SI2 Round Lab Grown Diamond

ID • E/SI2 • IGI LG787639523

Certificate IGI LG787639523

Diamond specifications and retailer prices

From $1,596 CAD
$1,140 USD
As of October 28, 2026
Save $1,036 CAD (39%) vs most expensive(unlock to see where)
3 retailers carry this diamond
Most expensive: $2,631 CAD at Jared · As of October 28, 2026
View at Jared

About this 1.51ct lab-grown round diamond

This 1.51ct lab-grown round sits in the one-and-a-half to two carat band, graded E colour (colourless) and SI2 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG787639523 or 787639523. Listed at 3 retailers as of October 28, 2026, with prices from $1,596 to $2,631, a $1,036 spread on the same certified stone. Jared lists it at $2,631. 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
E
Color
SI2
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginLab Grown
Grading LabIGI
CertificateIGI LG787639523
Dimensions7.30 × 7.34 mm
L/W Ratio1.01
Top View
7.30 mm7.34 mm1.51 ctE / SI2
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG787639523
Side View
Table 58.0%CrownGirdle: MediumPavilionCulet: NoneDepth 62.5%

Caratlytics Score

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B
Good
Decent quality, room for better deals
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 28
Current: $2,631 CAD|Low: $1,596 CAD|High: $2,631 CAD|Avg: $2,113 CAD
Jared
Retailer 2
Retailer 3
May 14, 2026
Retailer 2$1,596 CAD
Retailer 3$1,596 CAD
Jared$2,631 CAD

3 data points across 3 retailers

3 retailers$1,596 CAD to $2,631 CAD

B
Cheapest Retailer
-
$1,596 CAD
$1,140 USD
B
Retailer 2
-
$1,596 CAD
$1,140 USD
View
Most Expensive
B
Jared
158563872 · Oct 28
$2,631 CAD
$1,880 USD
View
2 more retailers have this diamond
Prices start from $1,596 CADSave up to $1,036 CAD

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 Round
$1,596 CAD