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Radiant|Lab Grown|IGI

1.65ct E SI1 Radiant Lab Grown Diamond

ID • E/SI1

Diamond specifications and retailer prices

From $404 SGD
£248 GBP
As of October 29, 2026
1 retailer carries this diamond
Only listing: $404 SGD at Moon Ocean
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 Moon Ocean

About this 1.65ct lab-grown radiant diamond

This 1.65ct 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. 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

1.65
Carat
E
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginLab Grown
Grading LabIGI
Dimensions8.41 × 5.89 × 3.95 mm
L/W Ratio1.43
Top View
8.41 mm5.89 mm1.65 ctE / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI
Side View
Table 66.5%CrownGirdle: MediumPavilionCuletDepth 67.1%

Caratlytics Score

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

Last verified: Oct 29
Current: $404 SGD|Low: $235 SGD|High: $1,034 SGD|Avg: $478 SGD|-2.0%
Moon Ocean
Retailer 2
Retailer 3
Retailer 4
October 29, 2026
Retailer 3$235 SGD
Retailer 4$273 SGD
Moon Ocean$404 SGD
Retailer 2$1,034 SGD

36 data points across 4 retailers

1 retailer

B+
Moon Ocean
NVL-07695C7B0-256 · Oct 29
$404 SGD
£248 GBP
View

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.

B+
1.65ct Radiant
$404 SGD