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Asscher|Lab Grown|IGI

1.55ct E SI1 Asscher Lab Grown Diamond

ID • E/SI1 • IGI LG508137596

Shape and cutting style on the report: Square emerald cut

Certificate IGI LG508137596

Diamond specifications and retailer prices

From €182 EUR
$203 USD
As of October 30, 2026
Save €928 EUR (84%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: €1,110 EUR at Brilliant Earth · As of October 31, 2026
View at Brilliant Earth

About this 1.55ct lab-grown asscher diamond

This 1.55ct 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 LG508137596 or 508137596. Listed at 12 retailers as of October 30, 2026, with prices from €182 to €1,110, a €928 spread on the same certified stone. Brilliant Earth lists it at €1,110. 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

1.55
Carat
E
Color
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle16.5°
Pavilion angle39.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG508137596
Dimensions6.38 × 6.33 × 4.08 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
6.38 mm6.33 mm1.55 ctE / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG508137596
Side View
Table 64.0%Crown 16.5°Girdle: MediumPavilion 39.4°Culet: NoneDepth 64.5%

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: €1,003 EUR|Low: €160 EUR|High: €1,620 EUR|Avg: €655 EUR|-38.1%
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 9€182 EUR
Retailer 7€270 EUR
Retailer 2€362 EUR
Retailer 8€363 EUR
Retailer 6€434 EUR
Retailer 5€453 EUR
Retailer 4€504 EUR
Retailer 10€694 EUR
Retailer 3€815 EUR
Brilliant Earth€1,003 EUR
Retailer 11€1,004 EUR

43 data points across 11 retailers

12 retailers€182 EUR to €1,110 EUR

A
Cheapest Retailer
-
€182 EUR
$203 USD
Final sale: no returns
B+
Retailer 2
-
€270 EUR
$302 USD
View
A
Retailer 3
-
€362 EUR
£319 GBP
View
A
Retailer 4
-
€363 EUR
£319 GBP
View
A
Retailer 5
-
€434 EUR
$485 USD
View
A
Retailer 6
-
€453 EUR
View
A
Retailer 7
-
€504 EUR
$563 USD
View
B+
Retailer 8
-
€694 EUR
$776 USD
View
Retailer 9
-
€815 EUR
$910 USD
View
Price last confirmed 13 days ago
B
Retailer 10
-
€1,003 EUR
$1,120 USD
View
B
Retailer 11
-
€1,004 EUR
£883 GBP
View
Most Expensive
B
Brilliant Earth
15296218A · Oct 31
€1,110 EUR
$1,240 USD
View
11 more retailers have this diamond
Prices start from €182 EURSave up to €928 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
1.55ct Asscher
€182 EUR