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Asscher|Lab Grown|IGI

1.50ct D SI1 Asscher Lab Grown Diamond

ID • D/SI1 • IGI LG517289274

Shape and cutting style on the report: Square emerald cut

Certificate IGI LG517289274

Diamond specifications and retailer prices

From $292 CAD
As of November 4, 2026
Save $1,426 CAD (83%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: $1,718 CAD at Brilliant Earth · As of November 4, 2026
View at Brilliant Earth

About this 1.5ct lab-grown asscher diamond

This 1.5ct lab-grown asscher sits in the one-and-a-half to two carat band, graded D colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG517289274 or 517289274. Listed at 13 retailers as of November 4, 2026, with prices from $292 to $1,718, a $1,426 spread on the same certified stone. Brilliant Earth lists it at $1,718. 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

1.50
Carat
D
Color
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle26°
Pavilion angle45°
OriginLab Grown
Grading LabIGI
CertificateIGI LG517289274
Dimensions6.40 × 6.29 × 4.19 mm
L/W Ratio1.02
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
6.40 mm6.29 mm1.50 ctD / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG517289274
Side View
Table 64.0%Crown 26°Girdle: MediumPavilion 45°Culet: NoneDepth 66.6%

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: $1,718 CAD|Low: $292 CAD|High: $2,207 CAD|Avg: $892 CAD|-22.2%
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
November 6, 2026
Retailer 12$292 CAD
Retailer 4$378 CAD
Retailer 10$436 CAD
Retailer 2$577 CAD
Retailer 11$582 CAD
Retailer 9$683 CAD
Retailer 8$689 CAD
Retailer 6$827 CAD
Retailer 3$1,113 CAD
Retailer 7$1,299 CAD
Retailer 5$1,506 CAD
Brilliant Earth$1,718 CAD

45 data points across 12 retailers

13 retailers$292 CAD to $1,718 CAD

A
Cheapest Retailer
-
$292 CAD
Final sale: no returns
Retailer 2
-
$378 CAD
View
Price last confirmed 12 days ago
B+
Retailer 3
-
$436 CAD
View
A
Retailer 4
-
$577 CAD
View
A
Retailer 5
-
$582 CAD
View
A
Retailer 6
-
$683 CAD
View
Retailer 7
-
$689 CAD
View
Price last confirmed 8 days ago
B+
Retailer 8
-
$827 CAD
View
B+
Retailer 9
-
$1,113 CAD
View
B
Retailer 10
-
$1,299 CAD
View
B
Retailer 11
-
$1,506 CAD
View
B
Retailer 12
-
$1,718 CAD
View
Most Expensive
B
Brilliant Earth
15296613A · Nov 4
$1,718 CAD
$1,230 USD
View
12 more retailers have this diamond
Prices start from $292 CADSave up to $1,426 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
1.50ct Asscher
$292 CAD