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Round|Lab Grown|IGI

1.51ct E SI1 Round Lab Grown Diamond

EX • E/SI1 • IGI LG793631681

Shape and cutting style on the report: Round brilliant

Certificate IGI LG793631681

Diamond specifications and retailer prices

From $328 CAD
As of November 5, 2026
Save $1,496 CAD (82%) vs most expensive(unlock to see where)
21 retailers carry this diamond
Most expensive: $1,824 CAD at Reve Diamonds · As of November 4, 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 LG793631681 or 793631681. Listed at 21 retailers as of November 4, 2026, with prices from $328 to $1,824, a $1,496 spread on the same certified stone. Reve Diamonds lists it at $1,824. 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 angle36°
Pavilion angle41.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG793631681
Dimensions7.33 × 7.28 × 4.62 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
7.33 mm7.28 mm1.51 ctE / SI1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG793631681
Side View
Table 55.0%Crown 36°Girdle: MediumPavilion 41.2°Culet: NoneDepth 63.3%

Caratlytics Score

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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: $760 CAD|Low: $325 CAD|High: $1,824 CAD|Avg: $891 CAD|+6.5%
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
Retailer 14
Reve Diamonds
November 6, 2026
Retailer 5$328 CAD
Retailer 11$367 CAD
Retailer 12$381 CAD
Retailer 2$408 CAD
Retailer 14$408 CAD
Retailer 3$689 CAD
Retailer 13$758 CAD
Retailer 1$760 CAD
Retailer 10$765 CAD
Retailer 6$1,310 CAD
Retailer 9$1,314 CAD
Retailer 4$1,381 CAD
Retailer 7$1,522 CAD
Retailer 8$1,627 CAD
Reve Diamonds$1,824 CAD

45 data points across 15 retailers

21 retailers$328 CAD to $1,824 CAD

Retailer 1
-
$325 CAD
Price last confirmed 45 days ago
A
Retailer 2
-
$328 CAD
View
A
Retailer 3
-
$367 CAD
View
Final sale: no returns
A
Retailer 4
-
$381 CAD
View
Retailer 5
-
$398 CAD
View
Price last confirmed 45 days ago
Retailer 6
-
$408 CAD
View
Price last confirmed 12 days ago
A
Retailer 7
-
$408 CAD
View
A
Retailer 8
-
$608 CAD
View
B+
Retailer 9
-
$689 CAD
View
B+
Retailer 10
-
$758 CAD
View
B+
Retailer 11
-
$760 CAD
View
B+
Retailer 12
-
$765 CAD
View
B+
Retailer 13
-
$1,087 CAD
View
Retailer 14
-
$1,299 CAD
View
Price last confirmed 46 days ago
B
Retailer 15
-
$1,310 CAD
View
B
Retailer 16
-
$1,314 CAD
View
B
Retailer 17
-
$1,381 CAD
View
B
Retailer 18
-
$1,452 CAD
View
B
Retailer 19
-
$1,522 CAD
View
B
Retailer 20
-
$1,627 CAD
View
Most Expensive
B
Reve Diamonds
956C4DEDD · Nov 4
$1,824 CAD
$1,306 USD
View
20 more retailers have this diamond
Prices start from $328 CADSave up to $1,496 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
$328 CAD