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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 $298 AUD
$209 USD
As of October 30, 2026
Save $1,425 AUD (83%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: $1,723 AUD at Brilliant Earth · As of October 31, 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 October 30, 2026, with prices from $298 to $1,723, a $1,425 spread on the same certified stone. Brilliant Earth lists it at $1,723. 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
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 30
Current: $1,723 AUD|Low: $285 AUD|High: $1,780 AUD|Avg: $826 AUD|-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
October 31, 2026
Retailer 12$298 AUD
Retailer 6$333 AUD
Retailer 5$345 AUD
Retailer 4$369 AUD
Retailer 14$369 AUD
Retailer 3$635 AUD
Retailer 10$666 AUD
Retailer 8$674 AUD
Retailer 2$680 AUD
Retailer 11$921 AUD
Retailer 15$1,184 AUD
Retailer 7$1,260 AUD
Retailer 13$1,295 AUD
Retailer 9$1,484 AUD
Brilliant Earth$1,723 AUD

44 data points across 15 retailers

16 retailers$298 AUD to $1,723 AUD

A
Cheapest Retailer
-
$298 AUD
$209 USD
A
Retailer 2
-
$333 AUD
$234 USD
View
Final sale: no returns
A
Retailer 3
-
$345 AUD
$242 USD
View
A
Retailer 4
-
$369 AUD
$259 USD
View
A
Retailer 5
-
$369 AUD
$259 USD
View
B+
Retailer 6
-
$635 AUD
$446 USD
View
A
Retailer 7
-
$666 AUD
£368 GBP
View
B+
Retailer 8
-
$674 AUD
€451 EUR
View
A
Retailer 9
-
$680 AUD
£376 GBP
View
B+
Retailer 10
-
$921 AUD
$647 USD
View
B+
Retailer 11
-
$1,184 AUD
$832 USD
View
B
Retailer 12
-
$1,260 AUD
$885 USD
View
Retailer 13
-
$1,291 AUD
$907 USD
View
Price last confirmed 83 days ago
Retailer 14
-
$1,295 AUD
$910 USD
View
Price last confirmed 12 days ago
B
Retailer 15
-
$1,484 AUD
£821 GBP
View
Most Expensive
B
Brilliant Earth
21312311A · Oct 31
$1,723 AUD
$1,210 USD
View
15 more retailers have this diamond
Prices start from $298 AUDSave up to $1,425 AUD

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
$298 AUD