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Radiant|Natural|GIA

1.20ct I SI2 Radiant Natural Diamond

ID • I/SI2 • GIA 09

Certificate GIA 09

Diamond specifications and retailer prices

From HK$18,896 HKD
As of November 4, 2026
Save HK$27,345 HKD (59%) vs most expensive(unlock to see where)
9 retailers carry this diamond
Most expensive: HK$46,241 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 I colour (near-colourless) and SI2 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA. Listed at 9 retailers as of November 4, 2026, with prices from HK$18,896 to HK$46,241, a HK$27,345 spread on the same certified stone. NZ Jewellers lists it at HK$46,241. 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
I
Colour
SI2
Clarity
Ideal
Cut (retailer stated)

Specifications

Cut (retailer stated)Ideal
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 09
Dimensions7.20 × 5.29 × 3.58 mm
L/W Ratio1.36
Top View
7.20 mm5.29 mm1.20 ctI / SI2
OriginNatural
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 09
Side View
Table 65.0%CrownGirdle: Slightly ThickPavilionCulet: NoneDepth 67.6%

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 4
Current: HK$46,241 HKD|Low: HK$18,481 HKD|High: HK$46,241 HKD|Avg: HK$25,216 HKD
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
November 7, 2026
Retailer 4HK$18,896 HKD
Retailer 5HK$20,032 HKD
Retailer 2HK$20,761 HKD
Retailer 6HK$21,772 HKD
Retailer 3HK$22,901 HKD
NZ JewellersHK$46,241 HKD

10 data points across 6 retailers

9 retailersHK$18,896 HKD to HK$46,241 HKD

A
Cheapest Retailer
-
HK$18,896 HKD
B+
Retailer 2
-
HK$20,032 HKD
View
Retailer 3
-
HK$20,032 HKD
View
Price last confirmed 31 days ago
B+
Retailer 4
-
HK$20,761 HKD
View
B+
Retailer 5
-
HK$21,772 HKD
View
B+
Retailer 6
-
HK$22,901 HKD
View
Retailer 7
-
HK$23,120 HKD
View
Price last confirmed 31 days ago
Retailer 8
-
HK$46,241 HKD
View
Price last confirmed 32 days ago
Most Expensive
B
NZ Jewellers
b3435741-727a-496b-a629-c26c56224afa · Nov 5
HK$46,241 HKD
$5,900 USD
View
8 more retailers have this diamond
Prices start from HK$18,896 HKDSave up to HK$27,345 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$18,896 HKD