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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 $214 USD
As of October 30, 2026
Save $1,046 USD (83%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: $1,260 USD 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 $214 to $1,260, a $1,046 spread on the same certified stone. Brilliant Earth lists it at $1,260. 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
Color
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: $1,260 USD|Low: $178 USD|High: $1,610 USD|Avg: $654 USD|-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 30, 2026
Retailer 9$214 USD
Retailer 3$278 USD
Retailer 7$320 USD
Retailer 8$427 USD
Retailer 2$430 USD
Retailer 6$496 USD
Retailer 4$504 USD
Retailer 11$721 USD
Retailer 10$814 USD
Retailer 5$1,111 USD
Brilliant Earth$1,260 USD

43 data points across 11 retailers

11 retailers$214 USD to $1,260 USD

A
Cheapest Retailer
-
$214 USD
Final sale: no returns
A
Retailer 2
-
$278 USD
View
B+
Retailer 3
-
$320 USD
View
A
Retailer 4
-
$427 USD
£336 GBP
View
A
Retailer 5
-
$430 USD
£339 GBP
View
A
Retailer 6
-
$496 USD
View
A
Retailer 7
-
$504 USD
€480 EUR
View
B+
Retailer 8
-
$721 USD
View
B
Retailer 9
-
$814 USD
View
B
Retailer 10
-
$1,111 USD
£875 GBP
View
Most Expensive
B
Brilliant Earth
14223675A · Oct 30
$1,260 USD
View
10 more retailers have this diamond
Prices start from $214 USDSave up to $1,046 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
1.54ct Asscher
$214 USD