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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 $361 NZD
As of November 4, 2026
Save $1,845 NZD (84%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: $2,206 NZD at Brilliant Earth · As of November 4, 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 November 4, 2026, with prices from $361 to $2,206, a $1,845 spread on the same certified stone. Brilliant Earth lists it at $2,206. 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
Colour
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: Nov 4
Current: $1,992 NZD|Low: $361 NZD|High: $3,113 NZD|Avg: $1,229 NZD|-36.0%
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
November 6, 2026
Retailer 11$361 NZD
Retailer 9$537 NZD
Retailer 2$710 NZD
Retailer 10$720 NZD
Retailer 8$863 NZD
Retailer 7$900 NZD
Retailer 5$1,016 NZD
Retailer 3$1,379 NZD
Retailer 6$1,583 NZD
Retailer 4$1,861 NZD
Brilliant Earth$1,992 NZD

45 data points across 11 retailers

12 retailers$361 NZD to $2,206 NZD

A
Cheapest Retailer
-
$361 NZD
Final sale: no returns
B+
Retailer 2
-
$537 NZD
View
A
Retailer 3
-
$710 NZD
View
A
Retailer 4
-
$720 NZD
View
A
Retailer 5
-
$863 NZD
View
Retailer 6
-
$900 NZD
View
Price last confirmed 8 days ago
B+
Retailer 7
-
$1,016 NZD
View
B+
Retailer 8
-
$1,379 NZD
View
B+
Retailer 9
-
$1,583 NZD
View
B
Retailer 10
-
$1,861 NZD
View
B
Retailer 11
-
$1,992 NZD
View
Most Expensive
B
Brilliant Earth
15296218A · Nov 4
$2,206 NZD
$1,240 USD
View
11 more retailers have this diamond
Prices start from $361 NZDSave up to $1,845 NZD

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
$361 NZD