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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 $366 USD
As of November 4, 2026
Save $2,894 USD (89%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: $3,260 USD 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 $366 to $3,260, a $2,894 spread on the same certified stone. Brilliant Earth lists it at $3,260. 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
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
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 4
Current: $3,260 USD|Low: $366 USD|High: $3,260 USD|Avg: $1,178 USD
Brilliant Earth
Retailer 2
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Retailer 19
November 5, 2026
Retailer 13$366 USD
Retailer 15$410 USD
Retailer 4$425 USD
Retailer 6$454 USD
Retailer 11$495 USD
Retailer 17$605 USD
Retailer 16$726 USD
Retailer 9$781 USD
Retailer 12$811 USD
Retailer 19$831 USD
Retailer 8$853 USD
Retailer 3$1,148 USD
Retailer 14$1,461 USD
Retailer 5$1,500 USD
Retailer 7$1,505 USD
Retailer 18$1,725 USD
Retailer 2$1,770 USD
Retailer 10$1,810 USD
Brilliant Earth$3,260 USD

33 data points across 19 retailers

19 retailers$366 USD to $3,260 USD

A+
Cheapest Retailer
-
$366 USD
A
Retailer 2
-
$410 USD
View
Final sale: no returns
A
Retailer 3
-
$425 USD
View
A
Retailer 4
-
$454 USD
View
Retailer 5
-
$495 USD
View
Price last confirmed 11 days ago
A
Retailer 6
-
$605 USD
View
A
Retailer 7
-
$726 USD
View
Retailer 8
-
$781 USD
View
Price last confirmed 7 days ago
A
Retailer 9
-
$811 USD
View
B+
Retailer 10
-
$831 USD
View
B+
Retailer 11
-
$853 USD
View
B+
Retailer 12
-
$1,148 USD
View
B+
Retailer 13
-
$1,461 USD
View
B+
Retailer 14
-
$1,500 USD
View
B+
Retailer 15
-
$1,505 USD
View
B+
Retailer 16
-
$1,725 USD
View
B+
Retailer 17
-
$1,770 USD
View
Retailer 18
-
$1,810 USD
View
Price last confirmed 17 days ago
Most Expensive
B
Brilliant Earth
21433960A · Nov 4
$3,260 USD
View
18 more retailers have this diamond
Prices start from $366 USDSave up to $2,894 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
$366 USD