CaratHunter
Plans
Asscher|Lab Grown|IGI

1.51ct E SI1 Asscher Lab Grown Diamond

ID • E/SI1 • IGI LG566312785

Shape and cutting style on the report: Square emerald cut

Certificate IGI LG566312785

Diamond specifications and retailer prices

From $1,003 CAD
$718 USD
As of November 1, 2026
Save $212 CAD (17%) vs most expensive(unlock to see where)
2 retailers carry this diamond
Most expensive: $1,215 CAD at Diamond Quarter · As of October 31, 2026
View at Diamond Quarter

About this 1.51ct lab-grown asscher diamond

This 1.51ct lab-grown asscher 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 LG566312785 or 566312785. Listed at 2 retailers as of October 31, 2026, with prices from $1,003 to $1,215, a $212 spread on the same certified stone. Diamond Quarter lists it at $1,215. 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 angle40.4°
Pavilion angle37.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG566312785
Dimensions6.22 × 6.18 × 4.11 mm
L/W Ratio1.01
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process and may include post-growth treatment Type IIa
Top View
6.22 mm6.18 mm1.51 ctE / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG566312785
Side View
Table 67.0%Crown 40.4°Girdle: MediumPavilion 37.6°Culet: NoneDepth 66.5%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 1
Current: $1,003 CAD|Low: $671 CAD|High: $2,794 CAD|Avg: $1,566 CAD|+4.2%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
September 23, 2026
Retailer 4$671 CAD
Retailer 8$867 CAD
Retailer 1$1,003 CAD
Retailer 6$1,231 CAD
Retailer 3$1,297 CAD
Retailer 10$1,375 CAD
Retailer 7$1,720 CAD
Retailer 9$1,788 CAD
Retailer 2$2,556 CAD
Retailer 5$2,794 CAD

34 data points across 10 retailers

2 retailers$1,003 CAD to $1,215 CAD

B+
Cheapest Retailer
-
$1,003 CAD
$718 USD
Most Expensive
B
Diamond Quarter
1.51SI1ELG859F77N · Oct 31
$1,215 CAD
£685 GBP
View
1 more retailer has this diamond
Prices start from $1,003 CADSave up to $212 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.

B+
1.51ct Asscher
$1,003 CAD