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Radiant|Lab Grown|IGI

1.43ct F IF Radiant Lab Grown Diamond

ID • F/IF • IGI LG644443269

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

Certificate IGI LG644443269

Diamond specifications and retailer prices

From HK$1,914 HKD
As of November 4, 2026
Save HK$16,130 HKD (89%) vs most expensive(unlock to see where)
27 retailers carry this diamond
Most expensive: HK$20,633 HKD at Brilliant Earth · As of October 24, 2026
View at Brilliant Earth

About this 1.43ct lab-grown radiant diamond

This 1.43ct 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 LG644443269 or 644443269. Listed at 27 retailers as of November 4, 2026, with a 843% 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

1.43
Carat
F
Colour
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle37.6°
Pavilion angle33°
OriginLab Grown
Grading LabIGI
CertificateIGI LG644443269
Dimensions8.38 × 5.59 × 3.63 mm
L/W Ratio1.50
Culet sizePointed
Cert comments
As Grown - No indication of post-growth treatment This Laboratory Grown Diamond was created by High Pressure High Temperature (HPHT) growth process Type II
Top View
8.38 mm5.59 mm1.43 ctF / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG644443269
Side View
Table 62.0%Crown 37.6°Girdle: MediumPavilion 33°Culet: NoneDepth 64.9%

Caratlytics Score

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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$18,044 HKD|Low: HK$1,883 HKD|High: HK$18,044 HKD|Avg: HK$5,814 HKD
Brilliant Earth
Retailer 2
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Retailer 24
November 6, 2026
Retailer 14HK$1,883 HKD
Retailer 7HK$1,914 HKD
Retailer 5HK$2,118 HKD
Retailer 11HK$2,189 HKD
Retailer 15HK$2,338 HKD
Retailer 13HK$2,456 HKD
Retailer 22HK$3,005 HKD
Retailer 6HK$3,209 HKD
Retailer 17HK$3,844 HKD
Retailer 20HK$4,032 HKD
Retailer 23HK$4,087 HKD
Retailer 2HK$4,370 HKD
Retailer 21HK$4,433 HKD
Retailer 19HK$5,727 HKD
Retailer 4HK$6,661 HKD
Retailer 3HK$6,841 HKD
Retailer 8HK$7,524 HKD
Retailer 16HK$7,924 HKD
Retailer 10HK$9,163 HKD
Retailer 18HK$9,344 HKD
Retailer 9HK$9,807 HKD
Retailer 12HK$14,671 HKD
Retailer 24HK$16,396 HKD
Brilliant EarthHK$18,044 HKD

29 data points across 24 retailers

27 retailersHK$1,914 HKD to HK$18,044 HKD

Retailer 1
-
HK$1,883 HKD
Price last confirmed 16 days ago
A
Retailer 2
-
HK$1,914 HKD
View
Final sale: no returns
A
Retailer 3
-
HK$2,118 HKD
View
Retailer 4
-
HK$2,189 HKD
View
Price last confirmed 17 days ago
Retailer 5
-
HK$2,338 HKD
View
Price last confirmed 21 days ago
A
Retailer 6
-
HK$2,456 HKD
View
B+
Retailer 7
-
HK$3,005 HKD
View
A
Retailer 8
-
HK$3,209 HKD
View
A
Retailer 9
-
HK$4,032 HKD
View
A
Retailer 10
-
HK$4,087 HKD
View
A
Retailer 11
-
HK$4,370 HKD
View
A
Retailer 12
-
HK$4,433 HKD
View
A
Retailer 13
-
HK$5,727 HKD
View
A
Retailer 14
-
HK$6,661 HKD
View
A
Retailer 15
-
HK$6,841 HKD
View
B+
Retailer 16
-
HK$7,524 HKD
View
B+
Retailer 17
-
HK$7,924 HKD
View
B+
Retailer 18
-
HK$9,163 HKD
View
B+
Retailer 19
-
HK$9,344 HKD
View
B+
Retailer 20
-
HK$9,807 HKD
View
Retailer 21
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HK$9,916 HKD
View
Price last confirmed 23 days ago
Retailer 22
-
HK$14,671 HKD
View
Price last confirmed 32 days ago
Retailer 23
-
HK$14,671 HKD
View
Price last confirmed 16 days ago
B
Retailer 24
-
HK$16,396 HKD
View
B
Retailer 25
-
HK$18,044 HKD
View
Retailer 26
-
HK$19,621 HKD
View
Price last confirmed 10 days ago
Most Expensive
Brilliant Earth
11061940A · Oct 24
HK$20,633 HKD
$2,630 USD
View
Price last confirmed 12 days ago
26 more retailers have this diamond
Prices start from HK$1,914 HKDSave up to HK$16,130 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
1.43ct Radiant
HK$1,914 HKD