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Radiant|Natural|GIA

0.50ct F SI1 Radiant Natural Diamond

ID • F/SI1 • GIA 1428519795

Certificate GIA 1428519795

Diamond specifications and retailer prices

From HK$4,812 HKD
As of November 4, 2026
Save HK$13,284 HKD (73%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: HK$18,097 HKD at NZ Jewellers · As of November 3, 2026
View at NZ Jewellers

About this 0.5ct natural radiant diamond

This 0.5ct natural radiant sits in the half to three-quarter carat band, graded F colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 1428519795. Listed at 18 retailers as of November 3, 2026, with prices from HK$4,812 to HK$18,097, a HK$13,284 spread on the same certified stone. NZ Jewellers lists it at HK$18,097. 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

0.50
Carat
F
Colour
SI1
Clarity
Ideal
Cut (retailer stated)

Specifications

Cut (retailer stated)Ideal
PolishVery Good
SymmetryVery Good
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 1428519795
Dimensions5.01 × 3.92 × 2.73 mm
L/W Ratio1.28
Key to symbols
Indented Natural, Cloud
Top View
5.01 mm3.92 mm0.50 ctF / SI1
OriginNatural
CutIdeal
PolishVery Good
SymmetryVery Good
FluorescenceNone
CertificateGIA 1428519795
Side View
Table 67.0%CrownGirdlePavilionCulet: NoneDepth 69.7%

Caratlytics Score

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

Price History

Last verified: Nov 4
Current: HK$18,097 HKD|Low: HK$3,307 HKD|High: HK$18,097 HKD|Avg: HK$7,323 HKD
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
Retailer 15
Retailer 16
Retailer 17
Retailer 18
November 3, 2026
Retailer 8HK$4,812 HKD
Retailer 9HK$5,141 HKD
Retailer 7HK$5,173 HKD
Retailer 4HK$5,322 HKD
Retailer 17HK$5,768 HKD
Retailer 18HK$5,768 HKD
Retailer 16HK$5,996 HKD
Retailer 5HK$6,638 HKD
Retailer 3HK$6,662 HKD
Retailer 10HK$6,803 HKD
Retailer 12HK$6,920 HKD
Retailer 2HK$7,069 HKD
Retailer 6HK$7,132 HKD
Retailer 15HK$7,226 HKD
Retailer 11HK$8,151 HKD
Retailer 14HK$8,903 HKD
Retailer 13HK$10,565 HKD
NZ JewellersHK$18,097 HKD

27 data points across 18 retailers

18 retailersHK$4,812 HKD to HK$18,097 HKD

A
Cheapest Retailer
-
HK$4,812 HKD
A
Retailer 2
-
HK$5,173 HKD
View
Retailer 3
-
HK$5,768 HKD
View
Price last confirmed 9 days ago
B+
Retailer 4
-
HK$5,768 HKD
View
Retailer 5
-
HK$5,988 HKD
View
Price last confirmed 11 days ago
B+
Retailer 6
-
HK$5,996 HKD
View
B+
Retailer 7
-
HK$6,638 HKD
View
B+
Retailer 8
-
HK$6,662 HKD
View
B+
Retailer 9
-
HK$6,803 HKD
View
B+
Retailer 10
-
HK$6,920 HKD
View
B+
Retailer 11
-
HK$7,069 HKD
View
B
Retailer 12
-
HK$7,132 HKD
View
B+
Retailer 13
-
HK$7,226 HKD
View
B
Retailer 14
-
HK$7,892 HKD
View
B+
Retailer 15
-
HK$8,151 HKD
View
Retailer 16
-
HK$8,903 HKD
View
Price last confirmed 8 days ago
B
Retailer 17
-
HK$10,565 HKD
View
Most Expensive
B
NZ Jewellers
31cb2d8d-b0a1-4357-8128-729f54310a37 · Nov 3
HK$18,097 HKD
$2,309 USD
View
17 more retailers have this diamond
Prices start from HK$4,812 HKDSave up to HK$13,284 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
0.50ct Radiant
HK$4,812 HKD