Radiant|Natural|GIA

1.20ct F SI1 Radiant Natural Diamond

EX • F/SI1 • GIA 5556393129

Certificate GIA 5556393129

Diamond specifications and retailer prices

From HK$25,440 HKD
As of November 4, 2026
Save HK$24,484 HKD (49%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: HK$49,924 HKD at NZ Jewellers · As of November 5, 2026
View at NZ Jewellers

About this 1.2ct natural radiant diamond

This 1.2ct natural radiant sits in the classic one-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 5556393129. Listed at 19 retailers as of November 4, 2026, with prices from HK$25,440 to HK$49,924, a HK$24,484 spread on the same certified stone. NZ Jewellers lists it at HK$49,924. 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

1.20
Carat
F
Colour
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle42.2°
OriginNatural
Grading LabGIA
CertificateGIA 5556393129
Dimensions7.49 × 5.26 × 3.65 mm
L/W Ratio1.42
Culet sizeNone
Key to symbols
Feather, Crystal, Cloud
Top View
7.49 mm5.26 mm1.20 ctF / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 5556393129
Side View
Table 70.0%Crown 42.2°Girdle: ThickPavilionCulet: NoneDepth 69.4%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
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$49,924 HKD|Low: HK$24,782 HKD|High: HK$52,895 HKD|Avg: HK$32,464 HKD|-5.6%
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 7, 2026
Retailer 5HK$25,440 HKD
Retailer 14HK$26,177 HKD
Retailer 7HK$26,443 HKD
Retailer 9HK$27,509 HKD
Retailer 11HK$27,980 HKD
Retailer 3HK$28,654 HKD
Retailer 10HK$28,654 HKD
Retailer 13HK$29,649 HKD
Retailer 8HK$29,759 HKD
Retailer 4HK$29,790 HKD
Retailer 18HK$30,527 HKD
Retailer 6HK$31,130 HKD
Retailer 17HK$33,058 HKD
Retailer 15HK$33,356 HKD
Retailer 16HK$34,970 HKD
Retailer 2HK$36,593 HKD
Retailer 12HK$47,667 HKD
NZ JewellersHK$49,924 HKD

24 data points across 18 retailers

19 retailersHK$25,440 HKD to HK$49,924 HKD

B+
Cheapest Retailer
-
HK$25,440 HKD
B+
Retailer 2
-
HK$26,177 HKD
View
B+
Retailer 3
-
HK$26,443 HKD
View
Final sale: no returns
B+
Retailer 4
-
HK$27,509 HKD
View
B+
Retailer 5
-
HK$27,980 HKD
View
B+
Retailer 6
-
HK$28,654 HKD
View
Retailer 7
-
HK$28,654 HKD
View
Price last confirmed 9 days ago
B+
Retailer 8
-
HK$29,649 HKD
View
B+
Retailer 9
-
HK$29,759 HKD
View
B+
Retailer 10
-
HK$29,790 HKD
View
B+
Retailer 11
-
HK$30,527 HKD
View
B+
Retailer 12
-
HK$31,130 HKD
View
Retailer 13
-
HK$31,906 HKD
View
Price last confirmed 30 days ago
B+
Retailer 14
-
HK$33,058 HKD
View
B+
Retailer 15
-
HK$33,356 HKD
View
B+
Retailer 16
-
HK$34,970 HKD
View
Retailer 17
-
HK$36,593 HKD
View
B
Retailer 18
-
HK$47,667 HKD
View
Most Expensive
B
NZ Jewellers
92481498-3960-449d-88fe-049ad514a65a · Nov 5
HK$49,924 HKD
$6,370 USD
View
18 more retailers have this diamond
Prices start from HK$25,440 HKDSave up to HK$24,484 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+
1.20ct Radiant
HK$25,440 HKD