Asscher|Lab Grown|IGI

1.23ct D FL Asscher Lab Grown Diamond

ID • D/FL • IGI LG830622230

Shape and cutting style on the report: Square emerald cut

Certificate IGI LG830622230

Diamond specifications and retailer prices

From $649 NZD
As of November 4, 2026
Save $5,134 NZD (89%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: $5,783 NZD at Brilliant Earth · As of November 4, 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 FL clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG830622230 or 830622230. Listed at 19 retailers as of November 4, 2026, with prices from $649 to $5,783, a $5,134 spread on the same certified stone. Brilliant Earth lists it at $5,783. 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
FL
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.3°
Pavilion angle41.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG830622230
Dimensions5.91 × 5.88 × 3.95 mm
L/W Ratio1.01
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
5.91 mm5.88 mm1.23 ctD / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG830622230
Side View
Table 63.0%Crown 35.3°Girdle: Slightly ThickPavilion 41.2°Culet: NoneDepth 67.2%

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: Nov 4
Current: $5,783 NZD|Low: $649 NZD|High: $5,783 NZD|Avg: $2,091 NZD
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
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Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
Retailer 15
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Retailer 19
November 5, 2026
Retailer 13$649 NZD
Retailer 15$727 NZD
Retailer 4$754 NZD
Retailer 6$805 NZD
Retailer 11$878 NZD
Retailer 17$1,073 NZD
Retailer 16$1,288 NZD
Retailer 9$1,385 NZD
Retailer 12$1,439 NZD
Retailer 19$1,474 NZD
Retailer 8$1,513 NZD
Retailer 3$2,037 NZD
Retailer 14$2,592 NZD
Retailer 5$2,661 NZD
Retailer 7$2,670 NZD
Retailer 18$3,060 NZD
Retailer 2$3,140 NZD
Retailer 10$3,211 NZD
Brilliant Earth$5,783 NZD

33 data points across 19 retailers

19 retailers$649 NZD to $5,783 NZD

A+
Cheapest Retailer
-
$649 NZD
A
Retailer 2
-
$727 NZD
View
Final sale: no returns
A
Retailer 3
-
$754 NZD
View
A
Retailer 4
-
$805 NZD
View
Retailer 5
-
$878 NZD
View
Price last confirmed 11 days ago
A
Retailer 6
-
$1,073 NZD
View
A
Retailer 7
-
$1,288 NZD
View
Retailer 8
-
$1,385 NZD
View
Price last confirmed 7 days ago
A
Retailer 9
-
$1,439 NZD
View
B+
Retailer 10
-
$1,474 NZD
View
B+
Retailer 11
-
$1,513 NZD
View
B+
Retailer 12
-
$2,037 NZD
View
B+
Retailer 13
-
$2,592 NZD
View
B+
Retailer 14
-
$2,661 NZD
View
B+
Retailer 15
-
$2,670 NZD
View
B+
Retailer 16
-
$3,060 NZD
View
B+
Retailer 17
-
$3,140 NZD
View
Retailer 18
-
$3,211 NZD
View
Price last confirmed 17 days ago
Most Expensive
B
Brilliant Earth
21433960A · Nov 4
$5,783 NZD
$3,260 USD
View
18 more retailers have this diamond
Prices start from $649 NZDSave up to $5,134 NZD

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
$649 NZD