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Asscher|Lab Grown|IGI

1.50ct D SI1 Asscher Lab Grown Diamond

ID • D/SI1 • IGI LG517289274

Shape and cutting style on the report: Square emerald cut

Certificate IGI LG517289274

Diamond specifications and retailer prices

From $299 AUD
As of November 4, 2026
Save $1,458 AUD (83%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: $1,757 AUD at Brilliant Earth · As of November 4, 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 D colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG517289274 or 517289274. Listed at 13 retailers as of November 4, 2026, with prices from $299 to $1,757, a $1,458 spread on the same certified stone. Brilliant Earth lists it at $1,757. 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
D
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle26°
Pavilion angle45°
OriginLab Grown
Grading LabIGI
CertificateIGI LG517289274
Dimensions6.40 × 6.29 × 4.19 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
6.40 mm6.29 mm1.50 ctD / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG517289274
Side View
Table 64.0%Crown 26°Girdle: MediumPavilion 45°Culet: NoneDepth 66.6%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 4
Current: $1,757 AUD|Low: $299 AUD|High: $2,257 AUD|Avg: $913 AUD|-22.2%
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
November 6, 2026
Retailer 12$299 AUD
Retailer 4$387 AUD
Retailer 10$446 AUD
Retailer 2$590 AUD
Retailer 11$596 AUD
Retailer 9$699 AUD
Retailer 8$704 AUD
Retailer 6$846 AUD
Retailer 3$1,139 AUD
Retailer 7$1,329 AUD
Retailer 5$1,540 AUD
Brilliant Earth$1,757 AUD

45 data points across 12 retailers

13 retailers$299 AUD to $1,757 AUD

A
Cheapest Retailer
-
$299 AUD
Final sale: no returns
Retailer 2
-
$387 AUD
View
Price last confirmed 12 days ago
B+
Retailer 3
-
$446 AUD
View
A
Retailer 4
-
$590 AUD
View
A
Retailer 5
-
$596 AUD
View
A
Retailer 6
-
$699 AUD
View
Retailer 7
-
$704 AUD
View
Price last confirmed 8 days ago
B+
Retailer 8
-
$846 AUD
View
B+
Retailer 9
-
$1,139 AUD
View
B
Retailer 10
-
$1,329 AUD
View
B
Retailer 11
-
$1,540 AUD
View
B
Retailer 12
-
$1,757 AUD
View
Most Expensive
B
Brilliant Earth
15296613A · Nov 4
$1,757 AUD
$1,230 USD
View
12 more retailers have this diamond
Prices start from $299 AUDSave up to $1,458 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
$299 AUD