CaratHunter
Plans
Radiant|Natural|GIA

1.00ct J SI2 Radiant Natural Diamond

EX • J/SI2 • GIA 1428672363

Certificate GIA 1428672363

Diamond specifications and retailer prices

From HK$15,416 HKD
As of November 6, 2026
Save HK$12,603 HKD (45%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: HK$28,019 HKD at Wholesale Diamonds Direct · As of November 6, 2026
View at Wholesale Diamonds Direct

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 1428672363. Listed at 11 retailers as of November 6, 2026, with prices from HK$15,416 to HK$28,019, a HK$12,603 spread on the same certified stone. Wholesale Diamonds Direct lists it at HK$28,019. 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
FluorescenceMedium
OriginNatural
Grading LabGIA
CertificateGIA 1428672363
Dimensions6.56 × 5.11 × 3.41 mm
L/W Ratio1.28
Culet sizeNone
Top View
6.56 mm5.11 mm1.00 ctJ / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceMedium
CertificateGIA 1428672363
Side View
Table 66.0%CrownGirdle: STK-THKPavilionCulet: NoneDepth 66.7%

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 6
Current: HK$22,736 HKD|Low: HK$14,013 HKD|High: HK$23,528 HKD|Avg: HK$19,173 HKD|+3.0%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
November 6, 2026
Retailer 3HK$15,416 HKD
Retailer 4HK$15,581 HKD
Retailer 5HK$19,108 HKD
Retailer 6HK$19,256 HKD
Retailer 1HK$22,736 HKD
Retailer 2HK$23,293 HKD

39 data points across 6 retailers

11 retailersHK$15,416 HKD to HK$28,019 HKD

B+
Cheapest Retailer
-
HK$15,416 HKD
Final sale: no returns
B+
Retailer 2
-
HK$15,581 HKD
View
B+
Retailer 3
-
HK$15,863 HKD
View
B
Retailer 4
-
HK$16,615 HKD
View
B
Retailer 5
-
HK$19,108 HKD
View
B
Retailer 6
-
HK$19,108 HKD
View
B
Retailer 7
-
HK$19,256 HKD
View
B
Retailer 8
-
HK$22,736 HKD
View
B
Retailer 9
-
HK$23,293 HKD
View
B
Retailer 10
-
HK$23,559 HKD
View
Most Expensive
B
Wholesale Diamonds Direct
217369813 · Nov 6
HK$28,019 HKD
$3,575 USD
View
10 more retailers have this diamond
Prices start from HK$15,416 HKDSave up to HK$12,603 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+
1.00ct Radiant
HK$15,416 HKD