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Asscher|Lab Grown|IGI

1.54ct D SI1 Asscher Lab Grown Diamond

ID • D/SI1 • IGI LG529258404

Shape and cutting style on the report: Square emerald cut

Certificate IGI LG529258404

Diamond specifications and retailer prices

From $305 AUD
$214 USD
As of October 30, 2026
Save $1,489 AUD (83%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: $1,794 AUD at Brilliant Earth · As of October 30, 2026
View at Brilliant Earth

About this 1.54ct lab-grown asscher diamond

This 1.54ct lab-grown asscher sits in the one-and-a-half to two carat band, graded D colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG529258404 or 529258404. Listed at 11 retailers as of October 30, 2026, with prices from $305 to $1,794, a $1,489 spread on the same certified stone. Brilliant Earth lists it at $1,794. 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

1.54
Carat
D
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle28.3°
Pavilion angle46.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG529258404
Dimensions6.29 × 6.14 × 4.30 mm
L/W Ratio1.02
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
6.29 mm6.14 mm1.54 ctD / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG529258404
Side View
Table 64.5%Crown 28.3°Girdle: MediumPavilion 46.5°Culet: NoneDepth 70.0%

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: $1,794 AUD|Low: $253 AUD|High: $2,292 AUD|Avg: $928 AUD|-21.7%
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
October 31, 2026
Retailer 10$305 AUD
Retailer 3$396 AUD
Retailer 8$456 AUD
Retailer 9$608 AUD
Retailer 2$613 AUD
Retailer 7$706 AUD
Retailer 5$717 AUD
Retailer 4$854 AUD
Retailer 11$1,159 AUD
Retailer 6$1,582 AUD
Brilliant Earth$1,794 AUD

43 data points across 11 retailers

11 retailers$305 AUD to $1,794 AUD

A
Cheapest Retailer
-
$305 AUD
$214 USD
Final sale: no returns
A
Retailer 2
-
$396 AUD
$278 USD
View
B+
Retailer 3
-
$456 AUD
$320 USD
View
A
Retailer 4
-
$608 AUD
£336 GBP
View
A
Retailer 5
-
$613 AUD
£339 GBP
View
A
Retailer 6
-
$706 AUD
$496 USD
View
A
Retailer 7
-
$717 AUD
€480 EUR
View
B+
Retailer 8
-
$854 AUD
$600 USD
View
B
Retailer 9
-
$1,159 AUD
$814 USD
View
B
Retailer 10
-
$1,582 AUD
£875 GBP
View
Most Expensive
B
Brilliant Earth
14223675A · Oct 30
$1,794 AUD
$1,260 USD
View
10 more retailers have this diamond
Prices start from $305 AUDSave up to $1,489 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
1.54ct Asscher
$305 AUD