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Asscher|Lab Grown|IGI

1.50ct E SI1 Asscher Lab Grown Diamond

ID • E/SI1 • IGI LG700505261

Shape and cutting style on the report: Square emerald cut

Certificate IGI LG700505261

Diamond specifications and retailer prices

From $372 NZD
As of November 4, 2026
Save $1,781 NZD (83%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: $2,152 NZD 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 E colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG700505261 or 700505261. Listed at 16 retailers as of November 4, 2026, with prices from $372 to $2,152, a $1,781 spread on the same certified stone. Brilliant Earth lists it at $2,152. 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
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle32.4°
Pavilion angle40.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG700505261
Dimensions6.38 × 6.31 × 4.16 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
6.38 mm6.31 mm1.50 ctE / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG700505261
Side View
Table 64.0%Crown 32.4°Girdle: MED-STKPavilion 40.3°Culet: NoneDepth 65.9%

Caratlytics Score

How it works →
A
Excellent
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: $2,152 NZD|Low: $356 NZD|High: $2,224 NZD|Avg: $1,029 NZD|-3.2%
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
Retailer 15
November 6, 2026
Retailer 13$372 NZD
Retailer 6$416 NZD
Retailer 5$430 NZD
Retailer 4$461 NZD
Retailer 14$461 NZD
Retailer 3$793 NZD
Retailer 11$831 NZD
Retailer 2$840 NZD
Retailer 10$841 NZD
Retailer 12$1,151 NZD
Retailer 15$1,480 NZD
Retailer 7$1,574 NZD
Retailer 9$1,583 NZD
Retailer 8$1,841 NZD
Brilliant Earth$2,152 NZD

46 data points across 15 retailers

16 retailers$372 NZD to $2,152 NZD

A
Cheapest Retailer
-
$372 NZD
A
Retailer 2
-
$416 NZD
View
Final sale: no returns
A
Retailer 3
-
$430 NZD
View
A
Retailer 4
-
$461 NZD
View
Retailer 5
-
$461 NZD
View
Price last confirmed 12 days ago
B+
Retailer 6
-
$793 NZD
View
A
Retailer 7
-
$831 NZD
View
A
Retailer 8
-
$840 NZD
View
Retailer 9
-
$841 NZD
View
Price last confirmed 8 days ago
B+
Retailer 10
-
$1,151 NZD
View
B+
Retailer 11
-
$1,480 NZD
View
B
Retailer 12
-
$1,574 NZD
View
B
Retailer 13
-
$1,583 NZD
View
Retailer 14
-
$1,612 NZD
View
Price last confirmed 89 days ago
B
Retailer 15
-
$1,841 NZD
View
Most Expensive
B
Brilliant Earth
21312311A · Nov 4
$2,152 NZD
$1,210 USD
View
15 more retailers have this diamond
Prices start from $372 NZDSave up to $1,781 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
$372 NZD