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Asscher|Lab Grown|IGI

1.51ct E SI1 Asscher Lab Grown Diamond

ID • E/SI1 • IGI LG516243211

Shape and cutting style on the report: Square emerald cut

Certificate IGI LG516243211

Diamond specifications and retailer prices

From $253 SGD
As of November 4, 2026
Save $1,139 SGD (82%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: $1,392 SGD at Brilliant Earth · As of November 4, 2026
View at Brilliant Earth

About this 1.51ct lab-grown asscher diamond

This 1.51ct 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 LG516243211 or 516243211. Listed at 12 retailers as of November 4, 2026, with prices from $253 to $1,392, a $1,139 spread on the same certified stone. Brilliant Earth lists it at $1,392. 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

1.51
Carat
E
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle27.4°
Pavilion angle43.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG516243211
Dimensions6.34 × 6.21 × 4.21 mm
L/W Ratio1.02
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
6.34 mm6.21 mm1.51 ctE / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG516243211
Side View
Table 60.5%Crown 27.4°Girdle: MED-STKPavilion 43.1°Culet: NoneDepth 67.8%

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: $1,392 SGD|Low: $253 SGD|High: $1,546 SGD|Avg: $771 SGD|-9.9%
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 10$253 SGD
Retailer 3$349 SGD
Retailer 8$377 SGD
Retailer 2$497 SGD
Retailer 9$506 SGD
Retailer 7$612 SGD
Retailer 6$631 SGD
Retailer 4$710 SGD
Retailer 11$969 SGD
Retailer 5$1,311 SGD
Brilliant Earth$1,392 SGD

45 data points across 11 retailers

12 retailers$253 SGD to $1,392 SGD

A
Cheapest Retailer
-
$253 SGD
Final sale: no returns
Retailer 2
-
$349 SGD
View
Price last confirmed 12 days ago
B+
Retailer 3
-
$377 SGD
View
A
Retailer 4
-
$497 SGD
View
A
Retailer 5
-
$506 SGD
View
A
Retailer 6
-
$612 SGD
View
Retailer 7
-
$631 SGD
View
Price last confirmed 8 days ago
B+
Retailer 8
-
$710 SGD
View
B+
Retailer 9
-
$969 SGD
View
B
Retailer 10
-
$1,311 SGD
View
B
Retailer 11
-
$1,392 SGD
View
Most Expensive
B
Brilliant Earth
15295505A · Nov 4
$1,392 SGD
$1,090 USD
View
11 more retailers have this diamond
Prices start from $253 SGDSave up to $1,139 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
1.51ct Asscher
$253 SGD