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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 $325 AUD
$228 USD
As of October 30, 2026
Save $2,793 AUD (90%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: $3,118 AUD at Brilliant Earth · As of October 30, 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 $325 to $3,118, a $2,793 spread on the same certified stone. Brilliant Earth lists it at $3,118. 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: $3,118 AUD|Low: $269 AUD|High: $3,303 AUD|Avg: $1,069 AUD|-5.6%
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$325 AUD
Retailer 3$374 AUD
Retailer 7$682 AUD
Retailer 8$683 AUD
Retailer 11$722 AUD
Retailer 5$746 AUD
Retailer 9$981 AUD
Retailer 2$1,088 AUD
Retailer 6$1,293 AUD
Retailer 4$1,620 AUD
Brilliant Earth$3,118 AUD

38 data points across 11 retailers

12 retailers$325 AUD to $3,118 AUD

A+
Cheapest Retailer
-
$325 AUD
$228 USD
A
Retailer 2
-
$374 AUD
$263 USD
View
Final sale: no returns
Retailer 3
-
$419 AUD
$294 USD
View
Price last confirmed 36 days ago
A
Retailer 4
-
$682 AUD
$479 USD
View
A
Retailer 5
-
$683 AUD
$480 USD
View
A
Retailer 6
-
$722 AUD
€483 EUR
View
A
Retailer 7
-
$746 AUD
$524 USD
View
A
Retailer 8
-
$981 AUD
View
B+
Retailer 9
-
$1,088 AUD
$764 USD
View
B+
Retailer 10
-
$1,293 AUD
$908 USD
View
B+
Retailer 11
-
$1,620 AUD
£896 GBP
View
Most Expensive
B
Brilliant Earth
16401632A · Oct 30
$3,118 AUD
$2,190 USD
View
11 more retailers have this diamond
Prices start from $325 AUDSave up to $2,793 AUD

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
$325 AUD