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Radiant|Lab Grown|IGI

1.16ct D SI1 Radiant Lab Grown Diamond

EX • D/SI1 • IGI LG659467530

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

Certificate IGI LG659467530

Diamond specifications and retailer prices

From $585 SGD
£361 GBP
As of October 31, 2026
1 retailer carries this diamond
Only listing: $585 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 1.16ct lab-grown radiant diamond

This 1.16ct lab-grown radiant sits in the classic one-carat band, graded D colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG659467530 or 659467530. Listed at a single retailer as of October 31, 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

1.16
Carat
D
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle45.8°
Pavilion angle34.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG659467530
Dimensions7.54 × 5.17 × 3.38 mm
L/W Ratio1.46
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
7.54 mm5.17 mm1.16 ctD / SI1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG659467530
Side View
Table 64.0%Crown 45.8°Girdle: MediumPavilion 34.4°CuletDepth 65.4%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
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Price History

Last verified: Oct 31
Current: $585 SGD|Low: $585 SGD|High: $585 SGD|Avg: $585 SGD
September 26, 2026
Diamond Quarter$585 SGD

1 data point across 1 retailer

1 retailer

B+
Diamond Quarter
1.16SI1DLG305171N · Oct 31
$585 SGD
£361 GBP
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B+
1.16ct Radiant
$585 SGD