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Radiant|Natural|GIA

1.00ct J SI2 Radiant Natural Diamond

EX • J/SI2 • GIA 7551332657

Certificate GIA 7551332657

Diamond specifications and retailer prices

From HK$8,700 HKD
As of November 6, 2026
Save HK$20,025 HKD (70%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: HK$28,724 HKD at NZ Jewellers · As of November 5, 2026
View at NZ Jewellers

About this 1ct natural radiant diamond

This 1ct natural radiant sits in the classic one-carat band, graded J 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 7551332657. Listed at 15 retailers as of November 5, 2026, with prices from HK$8,700 to HK$28,724, a HK$20,025 spread on the same certified stone. NZ Jewellers lists it at HK$28,724. 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

1.00
Carat
J
Colour
SI2
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 7551332657
Dimensions7.15 × 4.94 × 3.28 mm
L/W Ratio1.45
Girdle conditionPolished
Culet sizeNone
Key to symbols
Feather, Crystal, Cloud, Needle, Natural
Top View
7.15 mm4.94 mm1.00 ctJ / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 7551332657
Side View
Table 67.0%CrownGirdle: THK-VTKPavilionCulet: NoneDepth 66.4%

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$28,724 HKD|Low: HK$8,700 HKD|High: HK$30,887 HKD|Avg: HK$14,415 HKD|-7.0%
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
November 7, 2026
Retailer 9HK$8,700 HKD
Retailer 8HK$9,170 HKD
Retailer 4HK$10,369 HKD
Retailer 14HK$10,910 HKD
Retailer 13HK$11,780 HKD
Retailer 7HK$12,219 HKD
Retailer 6HK$12,516 HKD
Retailer 10HK$12,838 HKD
Retailer 2HK$12,893 HKD
Retailer 5HK$12,932 HKD
Retailer 12HK$13,472 HKD
Retailer 11HK$15,095 HKD
Retailer 3HK$20,573 HKD
NZ JewellersHK$28,724 HKD

22 data points across 14 retailers

15 retailersHK$8,700 HKD to HK$28,724 HKD

A
Cheapest Retailer
-
HK$8,700 HKD
A
Retailer 2
-
HK$9,170 HKD
View
Final sale: no returns
A
Retailer 3
-
HK$10,369 HKD
View
A
Retailer 4
-
HK$10,910 HKD
View
A
Retailer 5
-
HK$11,780 HKD
View
A
Retailer 6
-
HK$12,219 HKD
View
Retailer 7
-
HK$12,516 HKD
View
Price last confirmed 9 days ago
B+
Retailer 8
-
HK$12,838 HKD
View
B+
Retailer 9
-
HK$12,893 HKD
View
B+
Retailer 10
-
HK$12,932 HKD
View
B+
Retailer 11
-
HK$13,472 HKD
View
Retailer 12
-
HK$14,444 HKD
View
Price last confirmed 62 days ago
B+
Retailer 13
-
HK$15,095 HKD
View
B
Retailer 14
-
HK$20,573 HKD
View
Most Expensive
B
NZ Jewellers
08b6e644-1bbb-4b96-a50f-9d75462d9df2 · Nov 5
HK$28,724 HKD
$3,665 USD
View
14 more retailers have this diamond
Prices start from HK$8,700 HKDSave up to HK$20,025 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
1.00ct Radiant
HK$8,700 HKD