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Radiant|Natural|GIA

1.20ct F SI1 Radiant Natural Diamond

ID • F/SI1 • GIA 5231729279

Certificate GIA 5231729279

Diamond specifications and retailer prices

From HK$22,932 HKD
As of November 7, 2026
Save HK$19,923 HKD (46%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: HK$42,855 HKD at NZ Jewellers · As of November 3, 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 5231729279. Listed at 10 retailers as of November 3, 2026, with prices from HK$22,932 to HK$42,855, a HK$19,923 spread on the same certified stone. NZ Jewellers lists it at HK$42,855. 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
Ideal
Cut (retailer stated)

Specifications

Cut (retailer stated)Ideal
PolishExcellent
SymmetryVery Good
FluorescenceMedium
Crown angle44.82°
Pavilion angle31°
OriginNatural
Grading LabGIA
CertificateGIA 5231729279
Dimensions6.81 × 5.25 × 3.60 mm
L/W Ratio1.30
Girdle conditionVery Thick
Key to symbols
Crystal, Needle
Top View
6.81 mm5.25 mm1.20 ctF / SI1
OriginNatural
CutIdeal
PolishExcellent
SymmetryVery Good
FluorescenceMedium
CertificateGIA 5231729279
Side View
Table 65.0%Crown 44.82°Girdle: ThickPavilion 31°Culet: NoneDepth 68.6%

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 7
Current: HK$42,855 HKD|Low: HK$22,932 HKD|High: HK$42,855 HKD|Avg: HK$29,785 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
November 7, 2026
Retailer 8HK$22,932 HKD
Retailer 2HK$24,014 HKD
Retailer 10HK$24,602 HKD
Retailer 6HK$24,609 HKD
Retailer 7HK$25,542 HKD
Retailer 11HK$25,769 HKD
Retailer 12HK$26,279 HKD
Retailer 9HK$27,682 HKD
Retailer 3HK$29,539 HKD
Retailer 4HK$29,782 HKD
Retailer 5HK$40,911 HKD
NZ JewellersHK$42,855 HKD

38 data points across 12 retailers

10 retailersHK$22,932 HKD to HK$42,855 HKD

A
Cheapest Retailer
-
HK$22,932 HKD
B+
Retailer 2
-
HK$24,014 HKD
View
B+
Retailer 3
-
HK$24,602 HKD
View
B+
Retailer 4
-
HK$24,609 HKD
View
B+
Retailer 5
-
HK$25,542 HKD
View
B+
Retailer 6
-
HK$25,769 HKD
View
Retailer 7
-
HK$26,279 HKD
View
Price last confirmed 31 days ago
B+
Retailer 8
-
HK$27,682 HKD
View
B
Retailer 9
-
HK$40,911 HKD
View
Most Expensive
B
NZ Jewellers
e9b2c886-2d9c-4bb4-ae68-4ede3844fe8c · Nov 3
HK$42,855 HKD
$5,468 USD
View
9 more retailers have this diamond
Prices start from HK$22,932 HKDSave up to HK$19,923 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
1.20ct Radiant
HK$22,932 HKD