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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 $259 SGD
As of November 4, 2026
Save $1,325 SGD (84%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: $1,584 SGD 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 $259 to $1,584, a $1,325 spread on the same certified stone. Brilliant Earth lists it at $1,584. 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: $1,431 SGD|Low: $259 SGD|High: $2,235 SGD|Avg: $883 SGD|-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$259 SGD
Retailer 9$386 SGD
Retailer 2$510 SGD
Retailer 10$517 SGD
Retailer 8$619 SGD
Retailer 7$646 SGD
Retailer 5$729 SGD
Retailer 3$990 SGD
Retailer 6$1,137 SGD
Retailer 4$1,336 SGD
Brilliant Earth$1,431 SGD

45 data points across 11 retailers

12 retailers$259 SGD to $1,584 SGD

A
Cheapest Retailer
-
$259 SGD
Final sale: no returns
B+
Retailer 2
-
$386 SGD
View
A
Retailer 3
-
$510 SGD
View
A
Retailer 4
-
$517 SGD
View
A
Retailer 5
-
$619 SGD
View
Retailer 6
-
$646 SGD
View
Price last confirmed 8 days ago
B+
Retailer 7
-
$729 SGD
View
B+
Retailer 8
-
$990 SGD
View
B+
Retailer 9
-
$1,137 SGD
View
B
Retailer 10
-
$1,336 SGD
View
B
Retailer 11
-
$1,431 SGD
View
Most Expensive
B
Brilliant Earth
15296218A · Nov 4
$1,584 SGD
$1,240 USD
View
11 more retailers have this diamond
Prices start from $259 SGDSave up to $1,325 SGD

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
$259 SGD