CaratHunter
Plans
Round|Lab Grown|IGI

1.51ct E SI1 Round Lab Grown Diamond

ID • E/SI1 • IGI LG830613026

Shape and cutting style on the report: Round brilliant

Certificate IGI LG830613026

Diamond specifications and retailer prices

From $292 CAD
As of November 4, 2026
Save $1,308 CAD (82%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: $1,600 CAD at Reve Diamonds · As of November 6, 2026
View at Reve Diamonds

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 LG830613026 or 830613026. Listed at 13 retailers as of November 4, 2026, with prices from $292 to $1,600, a $1,308 spread on the same certified stone. Reve Diamonds lists it at $1,600. 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
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.6°
Pavilion angle41.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG830613026
Dimensions7.30 × 7.33 × 4.56 mm
L/W Ratio1.00
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
7.30 mm7.33 mm1.51 ctE / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG830613026
Side View
Table 58.0%Crown 35.6°Girdle: MediumPavilion 41.1°Culet: NoneDepth 62.4%

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 4
Current: $1,046 CAD|Low: $292 CAD|High: $1,692 CAD|Avg: $873 CAD|-9.9%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Reve Diamonds
November 6, 2026
Retailer 3$292 CAD
Retailer 12$358 CAD
Retailer 6$433 CAD
Retailer 11$553 CAD
Retailer 7$580 CAD
Retailer 13$584 CAD
Retailer 5$617 CAD
Retailer 10$774 CAD
Retailer 9$992 CAD
Retailer 1$1,046 CAD
Retailer 4$1,116 CAD
Retailer 2$1,215 CAD
Retailer 8$1,508 CAD
Reve Diamonds$1,600 CAD

22 data points across 14 retailers

13 retailers$292 CAD to $1,600 CAD

A
Cheapest Retailer
-
$292 CAD
Final sale: no returns
A
Retailer 2
-
$358 CAD
View
B+
Retailer 3
-
$433 CAD
View
A
Retailer 4
-
$553 CAD
View
A
Retailer 5
-
$580 CAD
View
A
Retailer 6
-
$584 CAD
View
B+
Retailer 7
-
$774 CAD
View
B+
Retailer 8
-
$992 CAD
View
B+
Retailer 9
-
$1,046 CAD
View
B+
Retailer 10
-
$1,116 CAD
View
B
Retailer 11
-
$1,215 CAD
View
B
Retailer 12
-
$1,508 CAD
View
Most Expensive
B
Reve Diamonds
73E8D75D1 · Nov 6
$1,600 CAD
$1,146 USD
View
12 more retailers have this diamond
Prices start from $292 CADSave up to $1,308 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
$292 CAD