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Asscher|Lab Grown|IGI

1.50ct E SI1 Asscher Lab Grown Diamond

ID • E/SI1 • IGI LG749577880

Shape and cutting style on the report: Square emerald cut

Certificate IGI LG749577880

Diamond specifications and retailer prices

From $317 NZD
As of November 4, 2026
Save $2,707 NZD (90%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: $3,024 NZD at Brilliant Earth · As of November 3, 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 E colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG749577880 or 749577880. Listed at 17 retailers as of November 3, 2026, with prices from $317 to $3,024, a $2,707 spread on the same certified stone. Brilliant Earth lists it at $3,024. 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
E
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishVery Good
SymmetryExcellent
FluorescenceNone
Crown angle39°
Pavilion angle45.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG749577880
Dimensions6.27 × 6.26 × 4.17 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
6.27 mm6.26 mm1.50 ctE / SI1
OriginLab Grown
CutIdeal
PolishVery Good
SymmetryExcellent
FluorescenceNone
CertificateIGI LG749577880
Side View
Table 74.0%Crown 39°Girdle: STK-THKPavilion 45.9°Culet: NoneDepth 66.6%

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: $3,024 NZD|Low: $302 NZD|High: $3,024 NZD|Avg: $1,035 NZD
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 12$302 NZD
Retailer 10$391 NZD
Retailer 11$391 NZD
Retailer 8$680 NZD
Retailer 2$694 NZD
Retailer 3$696 NZD
Retailer 9$706 NZD
Retailer 4$987 NZD
Retailer 6$1,329 NZD
Retailer 7$1,601 NZD
Retailer 5$1,825 NZD
Brilliant Earth$3,024 NZD

45 data points across 12 retailers

17 retailers$317 NZD to $3,024 NZD

Retailer 1
-
$302 NZD
Price last confirmed 35 days ago
A
Retailer 2
-
$317 NZD
View
Retailer 3
-
$366 NZD
View
Price last confirmed 42 days ago
A
Retailer 4
-
$391 NZD
View
Retailer 5
-
$391 NZD
View
Price last confirmed 34 days ago
Retailer 6
-
$391 NZD
View
Price last confirmed 12 days ago
Retailer 7
-
$680 NZD
View
Price last confirmed 8 days ago
A
Retailer 8
-
$694 NZD
View
B+
Retailer 9
-
$696 NZD
View
A
Retailer 10
-
$706 NZD
View
B+
Retailer 11
-
$987 NZD
View
B+
Retailer 12
-
$1,025 NZD
View
Retailer 13
-
$1,259 NZD
View
Price last confirmed 37 days ago
B+
Retailer 14
-
$1,329 NZD
View
B
Retailer 15
-
$1,601 NZD
View
B
Retailer 16
-
$1,825 NZD
View
Most Expensive
B
Brilliant Earth
19001979A · Nov 3
$3,024 NZD
$1,700 USD
View
16 more retailers have this diamond
Prices start from $317 NZDSave up to $2,707 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
$317 NZD