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Asscher|Lab Grown|IGI

1.53ct E SI1 Asscher Lab Grown Diamond

ID • E/SI1 • IGI LG510158303

Shape and cutting style on the report: Square emerald cut

Certificate IGI LG510158303

Diamond specifications and retailer prices

From $286 AUD
As of November 4, 2026
Save $1,300 AUD (82%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: $1,586 AUD at Brilliant Earth · As of October 30, 2026
View at Brilliant Earth

About this 1.53ct lab-grown asscher diamond

This 1.53ct 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 LG510158303 or 510158303. Listed at 10 retailers as of October 30, 2026, with prices from $286 to $1,586, a $1,300 spread on the same certified stone. Brilliant Earth lists it at $1,586. 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

1.53
Carat
E
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle23.8°
Pavilion angle41.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG510158303
Dimensions6.35 × 6.29 × 4.14 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
6.35 mm6.29 mm1.53 ctE / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG510158303
Side View
Table 63.5%Crown 23.8°Girdle: MediumPavilion 41.3°Culet: NoneDepth 65.8%

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: $1,586 AUD|Low: $286 AUD|High: $1,757 AUD|Avg: $907 AUD|-9.8%
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
November 5, 2026
Retailer 9$286 AUD
Retailer 7$426 AUD
Retailer 2$564 AUD
Retailer 8$571 AUD
Retailer 6$689 AUD
Retailer 5$714 AUD
Retailer 4$806 AUD
Retailer 10$1,096 AUD
Retailer 3$1,478 AUD
Brilliant Earth$1,586 AUD

44 data points across 10 retailers

10 retailers$286 AUD to $1,586 AUD

A
Cheapest Retailer
-
$286 AUD
Final sale: no returns
B+
Retailer 2
-
$426 AUD
View
A
Retailer 3
-
$564 AUD
View
A
Retailer 4
-
$571 AUD
View
A
Retailer 5
-
$689 AUD
View
Retailer 6
-
$714 AUD
View
Price last confirmed 8 days ago
B+
Retailer 7
-
$806 AUD
View
B+
Retailer 8
-
$1,096 AUD
View
B
Retailer 9
-
$1,478 AUD
View
Most Expensive
B
Brilliant Earth
14223785A · Oct 30
$1,586 AUD
$1,110 USD
View
9 more retailers have this diamond
Prices start from $286 AUDSave up to $1,300 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
1.53ct Asscher
$286 AUD