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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 $241 USD
As of November 4, 2026
Save $979 USD (80%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: $1,220 USD at Brilliant Earth · As of November 4, 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 13 retailers as of November 4, 2026, with prices from $241 to $1,220, a $979 spread on the same certified stone. Brilliant Earth lists it at $1,220. 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
Color
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

How it works →
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 4
Current: $1,220 USD|Low: $241 USD|High: $1,660 USD|Avg: $651 USD|-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$241 USD
Retailer 11$307 USD
Retailer 9$372 USD
Retailer 2$445 USD
Retailer 8$475 USD
Retailer 5$482 USD
Retailer 12$518 USD
Retailer 4$567 USD
Retailer 7$840 USD
Retailer 3$895 USD
Retailer 6$1,051 USD
Brilliant Earth$1,220 USD

45 data points across 12 retailers

13 retailers$241 USD to $1,220 USD

A
Cheapest Retailer
-
$241 USD
Final sale: no returns
A
Retailer 2
-
$307 USD
View
B+
Retailer 3
-
$372 USD
View
Retailer 4
-
$445 USD
View
A
Retailer 5
-
$475 USD
View
A
Retailer 6
-
$482 USD
View
A
Retailer 7
-
$518 USD
View
B+
Retailer 8
-
$567 USD
View
B+
Retailer 9
-
$724 USD
View
B
Retailer 10
-
$840 USD
View
B+
Retailer 11
-
$895 USD
View
B
Retailer 12
-
$1,051 USD
View
Most Expensive
B
Brilliant Earth
7442735A · Nov 4
$1,220 USD
View
12 more retailers have this diamond
Prices start from $241 USDSave up to $979 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
1.50ct Asscher
$241 USD