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Round|Lab Grown|IGI

1.51ct E SI1 Round Lab Grown Diamond

EX • E/SI1 • IGI LG763660535

Shape and cutting style on the report: Round brilliant

Certificate IGI LG763660535

Diamond specifications and retailer prices

From $275 CAD
As of November 5, 2026
Save $1,722 CAD (86%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: $1,997 CAD at Brilliant Earth · As of November 5, 2026
View at Brilliant Earth

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 SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG763660535 or 763660535. Listed at 17 retailers as of November 5, 2026, with prices from $275 to $1,997, a $1,722 spread on the same certified stone. Brilliant Earth lists it at $1,997. 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
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.5°
Pavilion angle40.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG763660535
Dimensions7.38 × 7.34 × 4.45 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
7.38 mm7.34 mm1.51 ctE / SI1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG763660535
Side View
Table 60.0%Crown 34.5°Girdle: MED-STKPavilion 40.3°Culet: NoneDepth 60.5%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 5
Current: $1,997 CAD|Low: $264 CAD|High: $1,997 CAD|Avg: $826 CAD
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
November 6, 2026
Retailer 9$275 CAD
Retailer 3$341 CAD
Retailer 10$461 CAD
Retailer 4$584 CAD
Retailer 2$610 CAD
Retailer 7$626 CAD
Retailer 11$751 CAD
Retailer 6$1,020 CAD
Retailer 8$1,099 CAD
Retailer 5$1,588 CAD
Brilliant Earth$1,997 CAD

42 data points across 11 retailers

17 retailers$275 CAD to $1,997 CAD

A
Cheapest Retailer
-
$275 CAD
A
Retailer 2
-
$318 CAD
View
Retailer 3
-
$341 CAD
View
Price last confirmed 12 days ago
A
Retailer 4
-
$341 CAD
View
B+
Retailer 5
-
$461 CAD
View
A
Retailer 6
-
$584 CAD
View
A
Retailer 7
-
$589 CAD
View
A
Retailer 8
-
$610 CAD
View
A
Retailer 9
-
$626 CAD
View
B+
Retailer 10
-
$751 CAD
View
B+
Retailer 11
-
$804 CAD
View
B+
Retailer 12
-
$1,020 CAD
View
B+
Retailer 13
-
$1,095 CAD
View
B+
Retailer 14
-
$1,099 CAD
View
B+
Retailer 15
-
$1,112 CAD
View
B
Retailer 16
-
$1,588 CAD
View
Most Expensive
B
Brilliant Earth
20762441A · Nov 5
$1,997 CAD
$1,430 USD
View
16 more retailers have this diamond
Prices start from $275 CADSave up to $1,722 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.

A
1.51ct Round
$275 CAD