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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 €192 EUR
$214 USD
As of October 30, 2026
Save €936 EUR (83%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: €1,128 EUR 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 €192 to €1,128, a €936 spread on the same certified stone. Brilliant Earth lists it at €1,128. 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: €1,128 EUR|Low: €159 EUR|High: €1,441 EUR|Avg: €582 EUR|-21.7%
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
November 1, 2026
Retailer 10€192 EUR
Retailer 3€249 EUR
Retailer 8€286 EUR
Retailer 2€382 EUR
Retailer 9€383 EUR
Retailer 7€444 EUR
Retailer 5€451 EUR
Retailer 4€537 EUR
Retailer 11€729 EUR
Retailer 6€995 EUR
Brilliant Earth€1,128 EUR

43 data points across 11 retailers

11 retailers€192 EUR to €1,128 EUR

A
Cheapest Retailer
-
€192 EUR
$214 USD
Final sale: no returns
Retailer 2
-
€249 EUR
$278 USD
View
Price last confirmed 7 days ago
B+
Retailer 3
-
€286 EUR
$320 USD
View
A
Retailer 4
-
€382 EUR
£336 GBP
View
A
Retailer 5
-
€383 EUR
£336 GBP
View
A
Retailer 6
-
€444 EUR
$496 USD
View
A
Retailer 7
-
€451 EUR
View
B+
Retailer 8
-
€537 EUR
$600 USD
View
B
Retailer 9
-
€729 EUR
$814 USD
View
B
Retailer 10
-
€995 EUR
£875 GBP
View
Most Expensive
B
Brilliant Earth
14223675A · Oct 30
€1,128 EUR
$1,260 USD
View
10 more retailers have this diamond
Prices start from €192 EURSave up to €936 EUR

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
€192 EUR