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Radiant|Lab Grown|IGI

1.20ct G SI1 Radiant Lab Grown Diamond

EX • G/SI1 • IGI LG630452443

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

Certificate IGI LG630452443

Diamond specifications and retailer prices

From $543 SGD
As of November 5, 2026
Save $114 SGD (17%) vs most expensive(unlock to see where)
2 retailers carry this diamond
Most expensive: $658 SGD at MD Diamonds and Jewellers · As of November 5, 2026
View at MD Diamonds and Jewellers

About this 1.2ct lab-grown radiant diamond

This 1.2ct lab-grown radiant sits in the classic one-carat band, graded G colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG630452443 or 630452443. Listed at 2 retailers as of November 5, 2026, with prices from $543 to $658, a $114 spread on the same certified stone. MD Diamonds and Jewellers lists it at $658. 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

1.20
Carat
G
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle43.2°
Pavilion angle35.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG630452443
Dimensions7.41 × 5.33 × 3.49 mm
L/W Ratio1.39
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process and may include post-growth treatment Type IIa
Top View
7.41 mm5.33 mm1.20 ctG / SI1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG630452443
Side View
Table 69.0%Crown 43.2°Girdle: MED-STKPavilion 35.2°Culet: NoneDepth 65.5%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Nov 5
Current: $658 SGD|Low: $543 SGD|High: $658 SGD|Avg: $635 SGD
MD Diamonds and Jewellers
Retailer 2
September 26, 2026
Retailer 2$543 SGD
MD Diamonds and Jewellers$658 SGD

4 data points across 2 retailers

2 retailers$543 SGD to $658 SGD

A
Cheapest Retailer
-
$543 SGD
Most Expensive
B+
MD Diamonds and Jewellers
LG630452443 · Nov 5
$658 SGD
£404 GBP
View
1 more retailer has this diamond
Prices start from $543 SGDSave up to $114 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
1.20ct Radiant
$543 SGD