Round|Lab Grown|IGI

3.53ct E SI1 Round Lab Grown Diamond

ID • E/SI1

Diamond specifications and retailer prices

From $739 USD
£582 GBP
As of October 29, 2026
1 retailer carries this diamond
Only listing: $739 USD 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 3.53ct lab-grown round diamond

This 3.53ct lab-grown round sits in the three to five 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

3.53
Carat
E
Color
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginLab Grown
Grading LabIGI
Dimensions9.88 × 9.83 × 5.99 mm
L/W Ratio1.01
Top View
9.88 mm9.83 mm3.53 ctE / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI
Side View
Table 57.0%CrownGirdle: MediumPavilionCuletDepth 60.7%

Caratlytics Score

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

Last verified: Oct 29
Current: $739 USD|Low: $729 USD|High: $2,294 USD|Avg: $1,597 USD|+1.4%
Moon Ocean
Retailer 2
Retailer 3
October 29, 2026
Moon Ocean$739 USD
Retailer 2$1,768 USD
Retailer 3$2,294 USD

33 data points across 3 retailers

1 retailer

B+
Moon Ocean
NVL-66A826D88-776 · Oct 29
$739 USD
£582 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+
3.53ct Round
$739 USD