Asscher|Lab Grown|IGI

1.50ct D SI1 Asscher Lab Grown Diamond

ID • D/SI1 • IGI LG797622552

Shape and cutting style on the report: Square emerald cut

Certificate IGI LG797622552

Diamond specifications and retailer prices

From $406 USD
As of November 1, 2026
Save $1,034 USD (72%) vs most expensive(unlock to see where)
5 retailers carry this diamond
Most expensive: $1,440 USD at Brilliant Earth · As of October 31, 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 LG797622552 or 797622552. Listed at 5 retailers as of October 31, 2026, with prices from $406 to $1,440, a $1,034 spread on the same certified stone. Brilliant Earth lists it at $1,440. 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
Color
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle40.2°
Pavilion angle34°
OriginLab Grown
Grading LabIGI
CertificateIGI LG797622552
Dimensions6.40 × 6.29 × 3.93 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 LG797622552
Side View
Table 68.0%Crown 40.2°Girdle: MediumPavilion 34°Culet: NoneDepth 62.5%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Nov 1
Current: $1,440 USD|Low: $388 USD|High: $1,440 USD|Avg: $737 USD|+9.1%
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
October 26, 2026
Retailer 5$406 USD
Retailer 6$474 USD
Retailer 3$475 USD
Retailer 4$489 USD
Retailer 7$878 USD
Retailer 2$1,080 USD
Brilliant Earth$1,440 USD

22 data points across 7 retailers

5 retailers$406 USD to $1,440 USD

B+
Cheapest Retailer
-
$406 USD
Retailer 2
-
$475 USD
€452 EUR
View
Price last confirmed 7 days ago
A
Retailer 3
-
$489 USD
View
B
Retailer 4
-
$1,080 USD
£850 GBP
View
Most Expensive
B
Brilliant Earth
19659450A · Oct 31
$1,440 USD
View
4 more retailers have this diamond
Prices start from $406 USDSave up to $1,034 USD

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
$406 USD