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Asscher|Lab Grown|IGI

1.53ct E SI1 Asscher Lab Grown Diamond

ID • E/SI1 • IGI LG510158303

Shape and cutting style on the report: Square emerald cut

Certificate IGI LG510158303

Diamond specifications and retailer prices

From €179 EUR
$200 USD
As of October 30, 2026
Save €815 EUR (82%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: €994 EUR at Brilliant Earth · As of October 30, 2026
View at Brilliant Earth

About this 1.53ct lab-grown asscher diamond

This 1.53ct lab-grown asscher sits in the one-and-a-half to two carat band, graded E colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG510158303 or 510158303. Listed at 10 retailers as of October 30, 2026, with prices from €179 to €994, a €815 spread on the same certified stone. Brilliant Earth lists it at €994. 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

1.53
Carat
E
Color
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle23.8°
Pavilion angle41.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG510158303
Dimensions6.35 × 6.29 × 4.14 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
6.35 mm6.29 mm1.53 ctE / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG510158303
Side View
Table 63.5%Crown 23.8°Girdle: MediumPavilion 41.3°Culet: NoneDepth 65.8%

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: Oct 30
Current: €994 EUR|Low: €158 EUR|High: €1,101 EUR|Avg: €573 EUR|-9.8%
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
November 1, 2026
Retailer 8€179 EUR
Retailer 6€267 EUR
Retailer 2€357 EUR
Retailer 7€359 EUR
Retailer 5€431 EUR
Retailer 4€448 EUR
Retailer 3€498 EUR
Retailer 9€687 EUR
Retailer 10€992 EUR
Brilliant Earth€994 EUR

43 data points across 10 retailers

10 retailers€179 EUR to €994 EUR

A
Cheapest Retailer
-
€179 EUR
$200 USD
Final sale: no returns
B+
Retailer 2
-
€267 EUR
$298 USD
View
A
Retailer 3
-
€357 EUR
£314 GBP
View
A
Retailer 4
-
€359 EUR
£316 GBP
View
A
Retailer 5
-
€431 EUR
$482 USD
View
A
Retailer 6
-
€448 EUR
View
A
Retailer 7
-
€498 EUR
$556 USD
View
B+
Retailer 8
-
€687 EUR
$768 USD
View
B
Retailer 9
-
€992 EUR
£873 GBP
View
Most Expensive
B
Brilliant Earth
14223785A · Oct 30
€994 EUR
$1,110 USD
View
9 more retailers have this diamond
Prices start from €179 EURSave up to €815 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
1.53ct Asscher
€179 EUR