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Asscher|Lab Grown|IGI

1.23ct D IF Asscher Lab Grown Diamond

ID • D/IF • IGI LG739557450

Shape and cutting style on the report: Square emerald cut

Certificate IGI LG739557450

Diamond specifications and retailer prices

From $291 SGD
$228 USD
As of October 30, 2026
Save $2,508 SGD (90%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: $2,800 SGD at Brilliant Earth · As of October 31, 2026
View at Brilliant Earth

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 LG739557450 or 739557450. Listed at 12 retailers as of October 30, 2026, with prices from $291 to $2,800, a $2,508 spread on the same certified stone. Brilliant Earth lists it at $2,800. 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
Colour
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.5°
Pavilion angle42.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG739557450
Dimensions5.79 × 5.77 × 3.90 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
5.79 mm5.77 mm1.23 ctD / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG739557450
Side View
Table 61.0%Crown 33.5°Girdle: STK-THKPavilion 42.8°Culet: NoneDepth 67.6%

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: $2,800 SGD|Low: $279 SGD|High: $2,940 SGD|Avg: $960 SGD|-3.1%
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
October 31, 2026
Retailer 10$291 SGD
Retailer 3$336 SGD
Retailer 7$612 SGD
Retailer 8$614 SGD
Retailer 11$648 SGD
Retailer 5$670 SGD
Retailer 9$881 SGD
Retailer 2$977 SGD
Retailer 6$1,161 SGD
Retailer 4$1,455 SGD
Brilliant Earth$2,800 SGD

36 data points across 11 retailers

12 retailers$291 SGD to $2,800 SGD

A+
Cheapest Retailer
-
$291 SGD
$228 USD
A
Retailer 2
-
$336 SGD
$263 USD
View
Final sale: no returns
Retailer 3
-
$376 SGD
$294 USD
View
Price last confirmed 38 days ago
A
Retailer 4
-
$612 SGD
$479 USD
View
A
Retailer 5
-
$614 SGD
$480 USD
View
Retailer 6
-
$648 SGD
€483 EUR
View
Price last confirmed 7 days ago
A
Retailer 7
-
$670 SGD
$524 USD
View
A
Retailer 8
-
$881 SGD
A$1,060 AUD
View
B+
Retailer 9
-
$977 SGD
$764 USD
View
B+
Retailer 10
-
$1,161 SGD
$908 USD
View
B+
Retailer 11
-
$1,455 SGD
£896 GBP
View
Most Expensive
B
Brilliant Earth
16401632A · Oct 31
$2,800 SGD
$2,190 USD
View
11 more retailers have this diamond
Prices start from $291 SGDSave up to $2,508 SGD

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
$291 SGD