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Asscher|Lab Grown|IGI

1.50ct F SI1 Asscher Lab Grown Diamond

ID • F/SI1 • IGI LG544278121

Shape and cutting style on the report: Square emerald cut

Certificate IGI LG544278121

Diamond specifications and retailer prices

From $1,457 AUD
As of November 5, 2026
Save $100 AUD (6%) vs most expensive(unlock to see where)
2 retailers carry this diamond
Most expensive: $1,557 AUD at Brilliant Earth · As of November 6, 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 F colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG544278121 or 544278121. Listed at 2 retailers as of November 5, 2026, with a relatively tight 7% spread, which is unusual at this carat range and suggests competitive pricing across the listings. 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
F
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle38°
Pavilion angle42.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG544278121
Dimensions6.20 × 6.14 × 4.28 mm
L/W Ratio1.01
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process and may include post-growth treatment Type IIa
Top View
6.20 mm6.14 mm1.50 ctF / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG544278121
Side View
Table 68.5%Crown 38°Girdle: STK-THKPavilion 42.9°Culet: NoneDepth 69.7%

Caratlytics Score

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B
Good
Decent quality, room for better deals
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Price History

Last verified: Nov 5
Current: $1,557 AUD|Low: $509 AUD|High: $2,620 AUD|Avg: $1,413 AUD|-34.8%
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
October 30, 2026
Retailer 4$509 AUD
Retailer 5$620 AUD
Retailer 2$1,346 AUD
Brilliant Earth$1,557 AUD
Retailer 3$2,620 AUD

2 data points across 5 retailers

2 retailers$1,457 AUD to $1,557 AUD

B
Cheapest Retailer
-
$1,457 AUD
Most Expensive
B
Brilliant Earth
6572137B · Nov 6
$1,557 AUD
$1,070 USD
View
1 more retailer has this diamond
Prices start from $1,457 AUDSave up to $100 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.

B
1.50ct Asscher
$1,457 AUD