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Asscher|Lab Grown|IGI

1.23ct D IF Asscher Lab Grown Diamond

ID • D/IF • IGI LG745518959

Shape and cutting style on the report: Square emerald cut

Certificate IGI LG745518959

Diamond specifications and retailer prices

From $318 CAD
$228 USD
As of October 30, 2026
Save $1,271 CAD (80%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: $1,590 CAD at MOH London · As of October 29, 2026
View at MOH London

About this 1.23ct lab-grown asscher diamond

This 1.23ct lab-grown asscher sits in the classic one-carat band, graded D colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG745518959 or 745518959. Listed at 11 retailers as of October 29, 2026, with prices from $318 to $1,590, a $1,271 spread on the same certified stone. MOH London lists it at $1,590. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.23
Carat
D
Color
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle30.2°
Pavilion angle47.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG745518959
Dimensions5.89 × 5.87 × 4.01 mm
L/W Ratio1.00
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
5.89 mm5.87 mm1.23 ctD / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG745518959
Side View
Table 66.0%Crown 30.2°Girdle: MED-STKPavilion 47.1°Culet: NoneDepth 68.3%

Caratlytics Score

How it works →
A+
Exceptional
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: Oct 30
Current: $1,590 CAD|Low: $264 CAD|High: $4,261 CAD|Avg: $1,155 CAD|-10.6%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
October 31, 2026
Retailer 10$318 CAD
Retailer 12$367 CAD
Retailer 7$669 CAD
Retailer 4$670 CAD
Retailer 8$671 CAD
Retailer 11$708 CAD
Retailer 5$732 CAD
Retailer 9$962 CAD
Retailer 2$1,067 CAD
Retailer 6$1,268 CAD
MOH London$1,590 CAD
Retailer 3$4,261 CAD

32 data points across 12 retailers

11 retailers$318 CAD to $1,590 CAD

A+
Cheapest Retailer
-
$318 CAD
$228 USD
A
Retailer 2
-
$367 CAD
$263 USD
View
Final sale: no returns
Retailer 3
-
$411 CAD
$294 USD
View
Price last confirmed 36 days ago
A
Retailer 4
-
$669 CAD
$479 USD
View
A
Retailer 5
-
$671 CAD
$480 USD
View
A
Retailer 6
-
$708 CAD
€483 EUR
View
A
Retailer 7
-
$732 CAD
$524 USD
View
A
Retailer 8
-
$962 CAD
A$1,060 AUD
View
B+
Retailer 9
-
$1,067 CAD
$764 USD
View
B+
Retailer 10
-
$1,268 CAD
$908 USD
View
Most Expensive
B+
MOH London
LG745518959 · Oct 29
$1,590 CAD
£896 GBP
View
10 more retailers have this diamond
Prices start from $318 CADSave up to $1,271 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+
1.23ct Asscher
$318 CAD