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Radiant|Lab Grown|IGI

1.03ct F IF Radiant Lab Grown Diamond

EX • F/IF • IGI LG839642805

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

Certificate IGI LG839642805

Diamond specifications and retailer prices

From HK$1,765 HKD
As of November 5, 2026
Save HK$1,922 HKD (52%) vs most expensive(unlock to see where)
3 retailers carry this diamond
Most expensive: HK$8,473 HKD at Rare Carat · As of October 21, 2026
View at Rare Carat

About this 1.03ct lab-grown radiant diamond

This 1.03ct lab-grown radiant sits in the classic one-carat band, graded F colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG839642805 or 839642805. Listed at 3 retailers as of November 5, 2026, with a 109% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.03
Carat
F
Colour
IF
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle45.2°
Pavilion angle34.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG839642805
Dimensions7.03 × 4.91 × 3.33 mm
L/W Ratio1.43
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
7.03 mm4.91 mm1.03 ctF / IF
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG839642805
Side View
Table 65.0%Crown 45.2°Girdle: MediumPavilion 34.5°Culet: NoneDepth 67.8%

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$8,473 HKD|Low: HK$1,765 HKD|High: HK$8,669 HKD|Avg: HK$5,352 HKD|-2.3%
Rare Carat
Retailer 2
Retailer 3
November 6, 2026
Retailer 3HK$1,765 HKD
Retailer 2HK$3,687 HKD
Rare CaratHK$8,473 HKD

37 data points across 3 retailers

3 retailersHK$1,765 HKD to HK$3,687 HKD

A
Cheapest Retailer
-
HK$1,765 HKD
Final sale: no returns
A
Retailer 2
-
HK$3,687 HKD
View
Most Expensive
Rare Carat
839642805 · Oct 21
HK$8,473 HKD
$1,080 USD
View
Price last confirmed 15 days ago
2 more retailers have this diamond
Prices start from HK$1,765 HKDSave up to HK$1,922 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
1.03ct Radiant
HK$1,765 HKD