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Radiant|Lab Grown|IGI

1.56ct E SI1 Radiant Lab Grown Diamond

EX • E/SI1 • IGI LG669474543

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

Certificate IGI LG669474543

Diamond specifications and retailer prices

From $832 SGD
£511 GBP
As of October 29, 2026
1 retailer carries this diamond
Only listing: $832 SGD at Diamond Quarter
Only one retailer lists this diamond right now, and it is shown above, so there is nothing to unlock. Similar diamonds are carried by several retailers.
View at Diamond Quarter

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 LG669474543 or 669474543. Listed at a single retailer as of October 29, 2026. If it later appears at another store, Carat Hunter will surface the price comparison automatically. 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
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle44.4°
Pavilion angle35.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG669474543
Dimensions7.94 × 5.78 × 3.90 mm
L/W Ratio1.37
Top View
7.94 mm5.78 mm1.56 ctE / SI1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG669474543
Side View
Table 62.0%Crown 44.4°Girdle: MediumPavilion 35.2°CuletDepth 67.5%

Caratlytics Score

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B
Good
Decent quality, room for better deals
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Price History

Last verified: Oct 29
Current: $832 SGD|Low: $832 SGD|High: $832 SGD|Avg: $832 SGD
September 26, 2026
Diamond Quarter$832 SGD

1 data point across 1 retailer

1 retailer

B
Diamond Quarter
1.56SI1ELG43926EN · Oct 29
$832 SGD
£511 GBP
View

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B
1.56ct Radiant
$832 SGD