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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 $228 USD
As of October 27, 2026
Save $910 USD (80%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: $1,138 USD 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 27, 2026, with prices from $228 to $1,138, a $910 spread on the same certified stone. MOH London lists it at $1,138. 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
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 27
Current: $1,138 USD|Low: $189 USD|High: $3,050 USD|Avg: $828 USD|-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 29, 2026
Retailer 9$228 USD
Retailer 12$263 USD
Retailer 6$479 USD
Retailer 4$480 USD
Retailer 7$480 USD
Retailer 11$507 USD
Retailer 2$524 USD
Retailer 8$689 USD
Retailer 10$719 USD
Retailer 5$908 USD
MOH London$1,138 USD
Retailer 3$3,050 USD

32 data points across 12 retailers

11 retailers$228 USD to $1,138 USD

A+
Cheapest Retailer
-
$228 USD
A
Retailer 2
-
$263 USD
View
Final sale: no returns
A
Retailer 3
-
$294 USD
View
Price last confirmed 34 days ago
A
Retailer 4
-
$479 USD
View
A
Retailer 5
-
$480 USD
View
A
Retailer 6
-
$507 USD
€483 EUR
View
A
Retailer 7
-
$524 USD
View
A
Retailer 8
-
$689 USD
A$1,060 AUD
View
A
Retailer 9
-
$719 USD
View
B+
Retailer 10
-
$908 USD
View
Most Expensive
B+
MOH London
LG745518959 · Oct 29
$1,138 USD
£896 GBP
View
10 more retailers have this diamond
Prices start from $228 USDSave up to $910 USD

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
$228 USD