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Radiant|Natural|HRD

1.20ct I SI2 Radiant Natural Diamond

I/SI2 • HRD 170003131812

Certificate HRD 170003131812

Diamond specifications and retailer prices

From HK$20,126 HKD
As of November 5, 2026
Save HK$21,953 HKD (52%) vs most expensive(unlock to see where)
6 retailers carry this diamond
Most expensive: HK$42,079 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) and certified by HRD 170003131812. Listed at 6 retailers as of November 5, 2026, with prices from HK$20,126 to HK$42,079, a HK$21,953 spread on the same certified stone. NZ Jewellers lists it at HK$42,079. Cut grade matters more than carat or clarity for visible brilliance. If you can shift budget toward an Excellent or Ideal cut, do it before chasing higher colour or clarity.

The 4Cs

1.20
Carat
I
Colour
SI2
Clarity
-
Cut

Specifications

Cut
PolishExcellent
SymmetryVery Good
FluorescenceNone
OriginNatural
Grading LabHRD
CertificateHRD 170003131812
Dimensions5.89 × 5.76 × 3.96 mm
L/W Ratio1.02
Top View
5.89 mm5.76 mm1.20 ctI / SI2
OriginNatural
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateHRD 170003131812
Side View
Table 66.0%CrownGirdle: MediumPavilionCulet: NoneDepth 68.8%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 5
Current: HK$42,079 HKD|Low: HK$13,363 HKD|High: HK$42,079 HKD|Avg: HK$24,639 HKD
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
November 6, 2026
Retailer 9HK$13,363 HKD
Retailer 5HK$20,126 HKD
Retailer 6HK$20,126 HKD
Retailer 8HK$20,793 HKD
Retailer 4HK$21,051 HKD
Retailer 7HK$23,222 HKD
Retailer 2HK$24,986 HKD
Retailer 3HK$35,449 HKD
NZ JewellersHK$42,079 HKD

20 data points across 9 retailers

6 retailersHK$20,126 HKD to HK$42,079 HKD

B+
Cheapest Retailer
-
HK$20,126 HKD
B+
Retailer 2
-
HK$21,051 HKD
View
B
Retailer 3
-
HK$23,222 HKD
View
B
Retailer 4
-
HK$24,986 HKD
View
Retailer 5
-
HK$35,449 HKD
View
Price last confirmed 9 days ago
Most Expensive
C
NZ Jewellers
0f63cc0d-fb3d-4149-b984-9ad3ca416c11 · Nov 5
HK$42,079 HKD
$5,369 USD
View
5 more retailers have this diamond
Prices start from HK$20,126 HKDSave up to HK$21,953 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$20,126 HKD