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Radiant|Lab Grown|IGI

1.56ct E SI1 Radiant Lab Grown Diamond

ID • E/SI1 • IGI LG537215993

Shape and cutting style on the report: Cut cornered rectangular modified brilliant

Certificate IGI LG537215993

Diamond specifications and retailer prices

From $233 SGD
$182 USD
As of October 30, 2026
Save $1,094 SGD (82%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: $1,326 SGD at MOH London · As of October 29, 2026
View at MOH London

About this 1.56ct lab-grown radiant diamond

This 1.56ct lab-grown radiant 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 LG537215993 or 537215993. Listed at 18 retailers as of October 29, 2026, with prices from $233 to $1,326, a $1,094 spread on the same certified stone. MOH London lists it at $1,326. 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

1.56
Carat
E
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle32.2°
Pavilion angle34.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG537215993
Dimensions8.39 × 5.66 × 3.80 mm
L/W Ratio1.48
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process and may include post-growth treatment Type IIa
Top View
8.39 mm5.66 mm1.56 ctE / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG537215993
Side View
Table 61.0%Crown 32.2°Girdle: MED-STKPavilion 34.3°Culet: NoneDepth 67.1%

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: $1,326 SGD|Low: $219 SGD|High: $1,432 SGD|Avg: $675 SGD|+0.5%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
Retailer 15
October 30, 2026
Retailer 9$233 SGD
Retailer 6$283 SGD
Retailer 14$289 SGD
Retailer 8$298 SGD
Retailer 11$371 SGD
Retailer 3$472 SGD
Retailer 10$510 SGD
Retailer 12$522 SGD
Retailer 7$713 SGD
Retailer 4$725 SGD
Retailer 5$908 SGD
Retailer 13$999 SGD
Retailer 15$1,106 SGD
Retailer 2$1,240 SGD
MOH London$1,326 SGD

39 data points across 15 retailers

18 retailers$233 SGD to $1,326 SGD

A
Cheapest Retailer
-
$233 SGD
$182 USD
A
Retailer 2
-
$265 SGD
$207 USD
View
A
Retailer 3
-
$283 SGD
$221 USD
View
A
Retailer 4
-
$289 SGD
$226 USD
View
A
Retailer 5
-
$298 SGD
$233 USD
View
Final sale: no returns
A
Retailer 6
-
$371 SGD
£229 GBP
View
A
Retailer 7
-
$472 SGD
€352 EUR
View
B+
Retailer 8
-
$510 SGD
$399 USD
View
A
Retailer 9
-
$522 SGD
£322 GBP
View
A
Retailer 10
-
$603 SGD
$472 USD
View
B+
Retailer 11
-
$713 SGD
$558 USD
View
B+
Retailer 12
-
$725 SGD
$567 USD
View
B+
Retailer 13
-
$908 SGD
$710 USD
View
B
Retailer 14
-
$937 SGD
£577 GBP
View
B+
Retailer 15
-
$999 SGD
$782 USD
View
Retailer 16
-
$1,106 SGD
$865 USD
View
Price last confirmed 11 days ago
B
Retailer 17
-
$1,240 SGD
$970 USD
View
Most Expensive
B
MOH London
LG537215993 · Oct 29
$1,326 SGD
£817 GBP
View
17 more retailers have this diamond
Prices start from $233 SGDSave up to $1,094 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
1.56ct Radiant
$233 SGD