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Round|Lab Grown|IGI

0.51ct E SI1 Round Lab Grown Diamond

ID • E/SI1 • IGI LG726536730

Shape and cutting style on the report: Round brilliant

Certificate IGI LG726536730

Diamond specifications and retailer prices

From $130 CAD
As of November 5, 2026
Save $1,062 CAD (89%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: $1,192 CAD at Reve Diamonds · As of November 4, 2026
View at Reve Diamonds

About this 0.51ct lab-grown round diamond

This 0.51ct lab-grown round sits in the half to three-quarter carat band, graded E colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG726536730 or 726536730. Listed at 18 retailers as of November 4, 2026, with prices from $130 to $1,192, a $1,062 spread on the same certified stone. Reve Diamonds lists it at $1,192. 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

0.51
Carat
E
Color
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.9°
Pavilion angle41°
OriginLab Grown
Grading LabIGI
CertificateIGI LG726536730
Dimensions5.11 × 5.15 × 3.14 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizePointed
Cert comments
As Grown - No indication of post-growth treatment This Laboratory Grown Diamond was created by High Pressure High Temperature (HPHT) growth process Type II
Top View
5.11 mm5.15 mm0.51 ctE / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG726536730
Side View
Table 57.0%Crown 33.9°Girdle: THN-MEDPavilion 41°Culet: NoneDepth 61.3%

Caratlytics Score

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

Price History

Last verified: Nov 5
Current: $300 CAD|Low: $124 CAD|High: $1,193 CAD|Avg: $393 CAD|+7.5%
Retailer 1
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Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
Retailer 15
Reve Diamonds
November 6, 2026
Retailer 5$130 CAD
Retailer 12$145 CAD
Retailer 7$151 CAD
Retailer 2$172 CAD
Retailer 14$172 CAD
Retailer 8$209 CAD
Retailer 1$300 CAD
Retailer 10$337 CAD
Retailer 15$338 CAD
Retailer 6$349 CAD
Retailer 13$486 CAD
Retailer 4$520 CAD
Retailer 9$580 CAD
Retailer 3$602 CAD
Retailer 11$1,187 CAD
Reve Diamonds$1,192 CAD

44 data points across 16 retailers

18 retailers$130 CAD to $1,192 CAD

A
Cheapest Retailer
-
$130 CAD
A
Retailer 2
-
$145 CAD
View
Final sale: no returns
A
Retailer 3
-
$151 CAD
View
Retailer 4
-
$172 CAD
View
Price last confirmed 12 days ago
A
Retailer 5
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$172 CAD
View
A
Retailer 6
-
$209 CAD
View
A
Retailer 7
-
$300 CAD
View
B+
Retailer 8
-
$337 CAD
View
B+
Retailer 9
-
$338 CAD
View
B+
Retailer 10
-
$349 CAD
View
B+
Retailer 11
-
$380 CAD
View
B+
Retailer 12
-
$486 CAD
View
B+
Retailer 13
-
$520 CAD
View
B
Retailer 14
-
$580 CAD
View
B
Retailer 15
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$602 CAD
View
B
Retailer 16
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$633 CAD
View
B
Retailer 17
-
$1,187 CAD
View
Most Expensive
B
Reve Diamonds
5041F4287 · Nov 4
$1,192 CAD
$853 USD
View
17 more retailers have this diamond
Prices start from $130 CADSave up to $1,062 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
0.51ct Round
$130 CAD