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Radiant|Lab Grown|IGI

1.02ct E SI1 Radiant Lab Grown Diamond

EX • E/SI1 • IGI LG845664629

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

Certificate IGI LG845664629

Diamond specifications and retailer prices

From $182 SGD
As of November 6, 2026
Save $549 SGD (75%) vs most expensive(unlock to see where)
3 retailers carry this diamond
Most expensive: $731 SGD at Brilliant Earth · As of November 6, 2026
View at Brilliant Earth

About this 1.02ct lab-grown radiant diamond

This 1.02ct lab-grown radiant sits in the classic one-carat band, graded E colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG845664629 or 845664629. Listed at 3 retailers as of November 6, 2026, with prices from $182 to $731, a $549 spread on the same certified stone. Brilliant Earth lists it at $731. 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

1.02
Carat
E
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle46.6°
Pavilion angle35.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG845664629
Dimensions6.85 × 5.08 × 3.44 mm
L/W Ratio1.35
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
6.85 mm5.08 mm1.02 ctE / SI1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG845664629
Side View
Table 66.0%Crown 46.6°Girdle: Slightly ThickPavilion 35.9°Culet: NoneDepth 67.7%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
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Price History

Last verified: Nov 6
Current: $731 SGD|Low: $182 SGD|High: $731 SGD|Avg: $447 SGD
Brilliant Earth
Retailer 2
Retailer 3
November 6, 2026
Retailer 3$182 SGD
Retailer 2$347 SGD
Brilliant Earth$731 SGD

21 data points across 3 retailers

3 retailers$182 SGD to $731 SGD

A
Cheapest Retailer
-
$182 SGD
Final sale: no returns
A
Retailer 2
-
$347 SGD
View
Most Expensive
B
Brilliant Earth
22150424A · Nov 6
$731 SGD
$570 USD
View
2 more retailers have this diamond
Prices start from $182 SGDSave up to $549 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
1.02ct Radiant
$182 SGD