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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 HK$3,323 HKD
As of November 5, 2026
Save HK$698 HKD (17%) vs most expensive(unlock to see where)
2 retailers carry this diamond
Most expensive: HK$4,021 HKD 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 HK$3,323 to HK$4,021, a HK$698 spread on the same certified stone. MD Diamonds and Jewellers lists it at HK$4,021. 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: HK$4,021 HKD|Low: HK$3,323 HKD|High: HK$4,021 HKD|Avg: HK$3,882 HKD
MD Diamonds and Jewellers
Retailer 2
September 26, 2026
Retailer 2HK$3,323 HKD
MD Diamonds and JewellersHK$4,021 HKD

4 data points across 2 retailers

2 retailersHK$3,323 HKD to HK$4,021 HKD

A
Cheapest Retailer
-
HK$3,323 HKD
Most Expensive
B+
MD Diamonds and Jewellers
LG630452443 · Nov 5
HK$4,021 HKD
£404 GBP
View
1 more retailer has this diamond
Prices start from HK$3,323 HKDSave up to HK$698 HKD

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
HK$3,323 HKD