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 $203 USD
As of October 30, 2026
Save $918 USD (82%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: $1,121 USD at MOH London · As of October 26, 2026
View at MOH London

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 11 retailers as of October 26, 2026, with prices from $203 to $1,121, a $918 spread on the same certified stone. MOH London lists it at $1,121. 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
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 30
Current: $1,121 USD|Low: $179 USD|High: $1,810 USD|Avg: $734 USD|+0.1%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
October 31, 2026
Retailer 10$203 USD
Retailer 8$302 USD
Retailer 2$401 USD
Retailer 9$405 USD
Retailer 7$485 USD
Retailer 6$506 USD
Retailer 4$563 USD
Retailer 11$776 USD
Retailer 3$910 USD
Retailer 5$1,120 USD
MOH London$1,121 USD

43 data points across 11 retailers

11 retailers$203 USD to $1,121 USD

A
Cheapest Retailer
-
$203 USD
Final sale: no returns
B+
Retailer 2
-
$302 USD
View
A
Retailer 3
-
$401 USD
£316 GBP
View
A
Retailer 4
-
$405 USD
£319 GBP
View
A
Retailer 5
-
$485 USD
View
A
Retailer 6
-
$506 USD
€482 EUR
View
A
Retailer 7
-
$563 USD
View
B
Retailer 8
-
$776 USD
View
Retailer 9
-
$910 USD
View
Price last confirmed 12 days ago
B
Retailer 10
-
$1,120 USD
View
Most Expensive
B
MOH London
LG508137596 · Oct 26
$1,121 USD
£883 GBP
View
10 more retailers have this diamond
Prices start from $203 USDSave up to $918 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
1.55ct Asscher
$203 USD