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Asscher|Lab Grown|IGI

1.50ct F SI1 Asscher Lab Grown Diamond

ID • F/SI1 • IGI LG582378248

Shape and cutting style on the report: Square emerald cut

Certificate IGI LG582378248

Diamond specifications and retailer prices

From $554 NZD
As of November 6, 2026
Save $1,647 NZD (75%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: $2,201 NZD at Brilliant Earth · As of November 6, 2026
View at Brilliant Earth

About this 1.5ct lab-grown asscher diamond

This 1.5ct lab-grown asscher sits in the one-and-a-half to two carat band, graded F colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG582378248 or 582378248. Listed at 12 retailers as of November 6, 2026, with prices from $554 to $2,201, a $1,647 spread on the same certified stone. Brilliant Earth lists it at $2,201. SI-grade stones are eye-clean roughly 60 to 70% of the time at this carat range. Check the inclusion plot on the cert and ask the retailer for high-resolution video before buying.

The 4Cs

1.50
Carat
F
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.1°
Pavilion angle40.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG582378248
Dimensions6.34 × 6.29 × 4.07 mm
L/W Ratio1.01
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
6.34 mm6.29 mm1.50 ctF / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG582378248
Side View
Table 64.0%Crown 33.1°Girdle: MediumPavilion 40.3°Culet: NoneDepth 64.7%

Caratlytics Score

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A
Excellent
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 6
Current: $2,201 NZD|Low: $435 NZD|High: $2,994 NZD|Avg: $1,172 NZD|-26.5%
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
November 6, 2026
Retailer 10$435 NZD
Retailer 11$554 NZD
Retailer 9$671 NZD
Retailer 2$803 NZD
Retailer 8$857 NZD
Retailer 5$869 NZD
Retailer 12$934 NZD
Retailer 4$1,023 NZD
Retailer 7$1,515 NZD
Retailer 3$1,614 NZD
Retailer 6$1,896 NZD
Brilliant Earth$2,201 NZD

44 data points across 12 retailers

12 retailers$554 NZD to $2,201 NZD

A
Cheapest Retailer
-
$554 NZD
B+
Retailer 2
-
$671 NZD
View
A
Retailer 3
-
$803 NZD
View
A
Retailer 4
-
$857 NZD
View
A
Retailer 5
-
$869 NZD
View
A
Retailer 6
-
$934 NZD
View
B+
Retailer 7
-
$1,023 NZD
View
B+
Retailer 8
-
$1,306 NZD
View
B
Retailer 9
-
$1,515 NZD
View
B+
Retailer 10
-
$1,614 NZD
View
B
Retailer 11
-
$1,896 NZD
View
Most Expensive
B
Brilliant Earth
7442735A · Nov 6
$2,201 NZD
$1,220 USD
View
11 more retailers have this diamond
Prices start from $554 NZDSave up to $1,647 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
1.50ct Asscher
$554 NZD