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Radiant|Natural|GIA

1.02ct G SI1 Radiant Natural Diamond

ID • G/SI1 • GIA 1559406456

Certificate GIA 1559406456

Diamond specifications and retailer prices

From HK$20,785 HKD
As of November 4, 2026
Save HK$21,851 HKD (51%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: HK$42,635 HKD at NZ Jewellers · As of November 5, 2026
View at NZ Jewellers

About this 1.02ct natural radiant diamond

This 1.02ct natural radiant sits in the classic one-carat band, graded G 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 1559406456. Listed at 14 retailers as of November 4, 2026, with prices from HK$20,785 to HK$42,635, a HK$21,851 spread on the same certified stone. NZ Jewellers lists it at HK$42,635. 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

1.02
Carat
G
Colour
SI1
Clarity
Ideal
Cut (retailer stated)

Specifications

Cut (retailer stated)Ideal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle49.66°
Pavilion angle35.59°
OriginNatural
Grading LabGIA
CertificateGIA 1559406456
Dimensions6.65 × 5.11 × 3.45 mm
L/W Ratio1.30
Girdle conditionThick
Key to symbols
Cloud, Crystal, Needle
Top View
6.65 mm5.11 mm1.02 ctG / SI1
OriginNatural
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 1559406456
Side View
Table 68.0%Crown 49.66°Girdle: SLI-POLPavilion 35.59°Culet: NoneDepth 67.6%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
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$42,635 HKD|Low: HK$20,605 HKD|High: HK$42,635 HKD|Avg: HK$27,532 HKD|+1.3%
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 11HK$20,785 HKD
Retailer 6HK$21,921 HKD
Retailer 3HK$22,830 HKD
Retailer 7HK$23,167 HKD
Retailer 2HK$23,787 HKD
Retailer 4HK$25,244 HKD
Retailer 5HK$25,315 HKD
Retailer 8HK$28,489 HKD
Retailer 9HK$29,712 HKD
Retailer 10HK$39,618 HKD
NZ JewellersHK$42,635 HKD

23 data points across 11 retailers

14 retailersHK$20,785 HKD to HK$42,635 HKD

B+
Cheapest Retailer
-
HK$20,785 HKD
Retailer 2
-
HK$21,553 HKD
View
Price last confirmed 40 days ago
B+
Retailer 3
-
HK$21,921 HKD
View
Retailer 4
-
HK$22,062 HKD
View
Price last confirmed 10 days ago
B+
Retailer 5
-
HK$22,830 HKD
View
B+
Retailer 6
-
HK$23,167 HKD
View
B+
Retailer 7
-
HK$23,787 HKD
View
Retailer 8
-
HK$24,053 HKD
View
Price last confirmed 38 days ago
B+
Retailer 9
-
HK$25,244 HKD
View
B+
Retailer 10
-
HK$25,315 HKD
View
B+
Retailer 11
-
HK$28,489 HKD
View
B
Retailer 12
-
HK$29,712 HKD
View
B
Retailer 13
-
HK$39,618 HKD
View
Most Expensive
B
NZ Jewellers
4a1feb90-d5f7-4be9-8a11-bb382d051b86 · Nov 5
HK$42,635 HKD
$5,440 USD
View
13 more retailers have this diamond
Prices start from HK$20,785 HKDSave up to HK$21,851 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+
1.02ct Radiant
HK$20,785 HKD