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Radiant|Natural|GIA

1.20ct I SI1 Radiant Natural Diamond

EX • I/SI1 • GIA 5241058000

Certificate GIA 5241058000

Diamond specifications and retailer prices

From HK$15,448 HKD
As of November 5, 2026
Save HK$28,270 HKD (65%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: HK$43,717 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 SI1 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 5241058000. Listed at 10 retailers as of November 5, 2026, with prices from HK$15,448 to HK$43,717, a HK$28,270 spread on the same certified stone. NZ Jewellers lists it at HK$43,717. 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
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishVery Good
SymmetryExcellent
FluorescenceFaint
Pavilion angle62.16°
OriginNatural
Grading LabGIA
CertificateGIA 5241058000
Dimensions7.10 × 5.29 × 3.69 mm
L/W Ratio1.34
Key to symbols
Twinning Wisp, Crystal, Needle, Indented Natural
Top View
7.10 mm5.29 mm1.20 ctI / SI1
OriginNatural
CutExcellent
PolishVery Good
SymmetryExcellent
FluorescenceFaint
CertificateGIA 5241058000
Side View
Table 62.0%CrownGirdle: MED-STKPavilion 62.16°Culet: NoneDepth 69.8%

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 5
Current: HK$43,717 HKD|Low: HK$15,448 HKD|High: HK$47,557 HKD|Avg: HK$27,301 HKD|-8.1%
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
November 7, 2026
Retailer 7HK$15,448 HKD
Retailer 5HK$20,283 HKD
Retailer 8HK$20,910 HKD
Retailer 6HK$21,427 HKD
Retailer 4HK$21,717 HKD
Retailer 9HK$22,799 HKD
Retailer 10HK$25,001 HKD
Retailer 3HK$28,669 HKD
Retailer 11HK$32,094 HKD
Retailer 2HK$36,436 HKD
NZ JewellersHK$43,717 HKD

41 data points across 11 retailers

10 retailersHK$15,448 HKD to HK$43,717 HKD

A
Cheapest Retailer
-
HK$15,448 HKD
B+
Retailer 2
-
HK$20,283 HKD
View
B+
Retailer 3
-
HK$20,910 HKD
View
B+
Retailer 4
-
HK$21,427 HKD
View
B+
Retailer 5
-
HK$21,717 HKD
View
B+
Retailer 6
-
HK$22,799 HKD
View
B+
Retailer 7
-
HK$25,001 HKD
View
B
Retailer 8
-
HK$32,094 HKD
View
B
Retailer 9
-
HK$36,436 HKD
View
Most Expensive
B
NZ Jewellers
685ed388-b886-41e9-8558-cd2428aff669 · Nov 5
HK$43,717 HKD
$5,578 USD
View
9 more retailers have this diamond
Prices start from HK$15,448 HKDSave up to HK$28,270 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$15,448 HKD