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Asscher|Lab Grown|IGI

1.51ct D SI1 Asscher Lab Grown Diamond

ID • D/SI1 • IGI LG530292776

Shape and cutting style on the report: Square emerald cut

Certificate IGI LG530292776

Diamond specifications and retailer prices

From $300 AUD
As of November 4, 2026
Save $1,471 AUD (83%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: $1,771 AUD at Brilliant Earth · As of November 4, 2026
View at Brilliant Earth

About this 1.51ct lab-grown asscher diamond

This 1.51ct 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 LG530292776 or 530292776. Listed at 13 retailers as of November 4, 2026, with prices from $300 to $1,771, a $1,471 spread on the same certified stone. Brilliant Earth lists it at $1,771. 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

1.51
Carat
D
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle29°
Pavilion angle40.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG530292776
Dimensions6.27 × 6.21 × 4.18 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
6.27 mm6.21 mm1.51 ctD / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG530292776
Side View
Table 67.0%Crown 29°Girdle: MediumPavilion 40.1°Culet: NoneDepth 67.3%

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: $1,771 AUD|Low: $300 AUD|High: $2,014 AUD|Avg: $928 AUD|-12.1%
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
November 6, 2026
Retailer 11$300 AUD
Retailer 4$390 AUD
Retailer 9$450 AUD
Retailer 2$596 AUD
Retailer 10$600 AUD
Retailer 8$701 AUD
Retailer 7$706 AUD
Retailer 6$851 AUD
Retailer 12$1,144 AUD
Retailer 3$1,336 AUD
Retailer 5$1,548 AUD
Brilliant Earth$1,771 AUD

45 data points across 12 retailers

13 retailers$300 AUD to $1,771 AUD

A
Cheapest Retailer
-
$300 AUD
Final sale: no returns
Retailer 2
-
$390 AUD
View
Price last confirmed 12 days ago
B+
Retailer 3
-
$450 AUD
View
A
Retailer 4
-
$596 AUD
View
A
Retailer 5
-
$600 AUD
View
A
Retailer 6
-
$701 AUD
View
Retailer 7
-
$706 AUD
View
Price last confirmed 8 days ago
B+
Retailer 8
-
$851 AUD
View
B+
Retailer 9
-
$1,144 AUD
View
B
Retailer 10
-
$1,336 AUD
View
B
Retailer 11
-
$1,548 AUD
View
B
Retailer 12
-
$1,771 AUD
View
Most Expensive
B
Brilliant Earth
15296282A · Nov 4
$1,771 AUD
$1,240 USD
View
12 more retailers have this diamond
Prices start from $300 AUDSave up to $1,471 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
1.51ct Asscher
$300 AUD