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Radiant|Lab Grown|IGI

1.33ct F IF Radiant Lab Grown Diamond

ID • F/IF • IGI LG670436829

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

Certificate IGI LG670436829

Diamond specifications and retailer prices

From HK$3,781 HKD
As of November 4, 2026
Save HK$12,772 HKD (77%) vs most expensive(unlock to see where)
6 retailers carry this diamond
Most expensive: HK$16,553 HKD at Brilliant Earth · As of November 4, 2026
View at Brilliant Earth

About this 1.33ct lab-grown radiant diamond

This 1.33ct lab-grown radiant sits in the one-and-a-quarter to one-and-a-half carat band, graded F colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG670436829 or 670436829. Listed at 6 retailers as of November 4, 2026, with prices from HK$3,781 to HK$16,553, a HK$12,772 spread on the same certified stone. Brilliant Earth lists it at HK$16,553. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.33
Carat
F
Colour
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishVery Good
SymmetryExcellent
FluorescenceNone
Crown angle30.2°
Pavilion angle35.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG670436829
Dimensions7.76 × 5.41 × 3.66 mm
L/W Ratio1.43
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
7.76 mm5.41 mm1.33 ctF / IF
OriginLab Grown
CutIdeal
PolishVery Good
SymmetryExcellent
FluorescenceNone
CertificateIGI LG670436829
Side View
Table 66.0%Crown 30.2°Girdle: Slightly ThickPavilion 35.4°Culet: NoneDepth 67.7%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 4
Current: HK$16,553 HKD|Low: HK$3,781 HKD|High: HK$19,770 HKD|Avg: HK$9,831 HKD|-16.3%
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
October 31, 2026
Retailer 4HK$3,781 HKD
Retailer 2HK$4,778 HKD
Retailer 5HK$7,359 HKD
Retailer 6HK$7,712 HKD
Retailer 3HK$12,788 HKD
Retailer 7HK$13,564 HKD
Brilliant EarthHK$16,553 HKD

12 data points across 7 retailers

6 retailersHK$3,781 HKD to HK$16,553 HKD

A
Cheapest Retailer
-
HK$3,781 HKD
A
Retailer 2
-
HK$4,778 HKD
View
B+
Retailer 3
-
HK$7,508 HKD
View
B+
Retailer 4
-
HK$7,712 HKD
View
Retailer 5
-
HK$12,788 HKD
View
Price last confirmed 16 days ago
Most Expensive
B
Brilliant Earth
13874950A · Nov 4
HK$16,553 HKD
$2,110 USD
View
5 more retailers have this diamond
Prices start from HK$3,781 HKDSave up to HK$12,772 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
1.33ct Radiant
HK$3,781 HKD