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Radiant|Natural|GIA

1.20ct H SI1 Radiant Natural Diamond

EX • H/SI1 • GIA 6243078579

Certificate GIA 6243078579

Diamond specifications and retailer prices

From HK$17,556 HKD
As of November 6, 2026
Save HK$24,280 HKD (58%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: HK$41,836 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 H 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 6243078579. Listed at 10 retailers as of November 5, 2026, with prices from HK$17,556 to HK$41,836, a HK$24,280 spread on the same certified stone. NZ Jewellers lists it at HK$41,836. 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
H
Colour
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Pavilion angle62.46°
OriginNatural
Grading LabGIA
CertificateGIA 6243078579
Dimensions7.00 × 5.37 × 3.73 mm
L/W Ratio1.30
Key to symbols
Crystal, Needle
Top View
7.00 mm5.37 mm1.20 ctH / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 6243078579
Side View
Table 62.0%CrownGirdle: ThickPavilion 62.46°Culet: NoneDepth 69.4%

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 6
Current: HK$41,836 HKD|Low: HK$17,556 HKD|High: HK$43,639 HKD|Avg: HK$29,035 HKD|-4.1%
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
November 7, 2026
Retailer 3HK$17,556 HKD
Retailer 4HK$23,042 HKD
Retailer 8HK$24,014 HKD
Retailer 5HK$24,366 HKD
Retailer 2HK$24,664 HKD
Retailer 9HK$26,028 HKD
Retailer 7HK$28,411 HKD
Retailer 10HK$37,110 HKD
Retailer 6HK$40,049 HKD
NZ JewellersHK$41,836 HKD

31 data points across 10 retailers

10 retailersHK$17,556 HKD to HK$41,836 HKD

A
Cheapest Retailer
-
HK$17,556 HKD
B+
Retailer 2
-
HK$23,042 HKD
View
B+
Retailer 3
-
HK$24,014 HKD
View
B+
Retailer 4
-
HK$24,366 HKD
View
B+
Retailer 5
-
HK$24,664 HKD
View
B+
Retailer 6
-
HK$26,028 HKD
View
B+
Retailer 7
-
HK$28,411 HKD
View
Retailer 8
-
HK$37,110 HKD
View
Price last confirmed 17 days ago
B
Retailer 9
-
HK$40,049 HKD
View
Most Expensive
B
NZ Jewellers
d2cdbb5c-de44-45f6-a0c2-4a37f92a3f19 · Nov 5
HK$41,836 HKD
$5,338 USD
View
9 more retailers have this diamond
Prices start from HK$17,556 HKDSave up to HK$24,280 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$17,556 HKD