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Radiant|Natural|GIA

1.00ct J SI1 Radiant Natural Diamond

EX • J/SI1 • GIA 2566373367

Certificate GIA 2566373367

Diamond specifications and retailer prices

From HK$11,435 HKD
As of November 6, 2026
Save HK$25,809 HKD (69%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: HK$37,243 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 SI1 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 2566373367. Listed at 11 retailers as of November 5, 2026, with prices from HK$11,435 to HK$37,243, a HK$25,809 spread on the same certified stone. NZ Jewellers lists it at HK$37,243. 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
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 2566373367
Dimensions6.48 × 4.98 × 3.56 mm
L/W Ratio1.30
Girdle conditionThick to Very Thick
Key to symbols
Feather, Crystal
Top View
6.48 mm4.98 mm1.00 ctJ / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 2566373367
Side View
Table 69.0%CrownGirdle: THK-VTKPavilionCulet: NoneDepth 71.4%

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$37,243 HKD|Low: HK$11,333 HKD|High: HK$37,243 HKD|Avg: HK$17,840 HKD|+12.2%
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 10HK$11,435 HKD
Retailer 4HK$11,490 HKD
Retailer 3HK$12,171 HKD
Retailer 11HK$14,272 HKD
Retailer 5HK$14,813 HKD
Retailer 9HK$15,267 HKD
Retailer 6HK$15,894 HKD
Retailer 8HK$15,973 HKD
Retailer 2HK$18,998 HKD
Retailer 7HK$26,679 HKD
NZ JewellersHK$37,243 HKD

31 data points across 11 retailers

11 retailersHK$11,435 HKD to HK$37,243 HKD

A
Cheapest Retailer
-
HK$11,435 HKD
A
Retailer 2
-
HK$11,490 HKD
View
A
Retailer 3
-
HK$12,171 HKD
View
Final sale: no returns
B+
Retailer 4
-
HK$14,272 HKD
View
B+
Retailer 5
-
HK$14,813 HKD
View
B+
Retailer 6
-
HK$15,267 HKD
View
B+
Retailer 7
-
HK$15,894 HKD
View
B+
Retailer 8
-
HK$15,973 HKD
View
B+
Retailer 9
-
HK$18,998 HKD
View
B
Retailer 10
-
HK$26,679 HKD
View
Most Expensive
C
NZ Jewellers
147dd911-f053-4819-bf74-292a933c0f11 · Nov 5
HK$37,243 HKD
$4,752 USD
View
10 more retailers have this diamond
Prices start from HK$11,435 HKDSave up to HK$25,809 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$11,435 HKD