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Radiant|Lab Grown|IGI

1.02ct E SI1 Radiant Lab Grown Diamond

VG • E/SI1 • IGI LG667450203

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

Certificate IGI LG667450203

Diamond specifications and retailer prices

From HK$3,409 HKD
As of November 6, 2026
Save HK$647 HKD (16%) vs most expensive(unlock to see where)
2 retailers carry this diamond
Most expensive: HK$4,056 HKD at Diamond Quarter · As of November 5, 2026
View at Diamond Quarter

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 very-good cut grade and certified by IGI LG667450203 or 667450203. Listed at 2 retailers as of November 5, 2026, with prices from HK$3,409 to HK$4,056, a HK$647 spread on the same certified stone. Diamond Quarter lists it at HK$4,056. Cut grade matters more than carat or clarity for visible brilliance. If you can shift budget toward an Excellent or Ideal cut, do it before chasing higher colour or clarity.

The 4Cs

1.02
Carat
E
Colour
SI1
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle44.2°
Pavilion angle33.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG667450203
Dimensions7.05 × 4.93 × 3.25 mm
L/W Ratio1.43
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
7.05 mm4.93 mm1.02 ctE / SI1
OriginLab Grown
CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG667450203
Side View
Table 65.0%Crown 44.2°Girdle: MediumPavilion 33.6°Culet: NoneDepth 65.9%

Caratlytics Score

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

Last verified: Nov 6
Current: HK$3,409 HKD|Low: HK$3,347 HKD|High: HK$4,867 HKD|Avg: HK$3,838 HKD|-30.0%
September 23, 2026
Retailer 1HK$3,409 HKD

4 data points across 1 retailer

2 retailersHK$3,409 HKD to HK$4,056 HKD

B+
Cheapest Retailer
-
HK$3,409 HKD
Most Expensive
B
Diamond Quarter
1.02SI1ELG031D2AN · Nov 5
HK$4,056 HKD
£407 GBP
View
1 more retailer has this diamond
Prices start from HK$3,409 HKDSave up to HK$647 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.

B+
1.02ct Radiant
HK$3,409 HKD