Round|Natural|GIA

1.02ct J SI2 Round Natural Diamond

EX • J/SI2 • GIA 7526161819

Certificate GIA 7526161819

Diamond specifications and retailer prices

From HK$11,925 HKD
As of November 6, 2026
Save HK$18,483 HKD (61%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: HK$30,408 HKD at NZ Jewellers · As of November 5, 2026
View at NZ Jewellers

About this 1.02ct natural round diamond

This 1.02ct natural round sits in the classic one-carat band, graded J colour (near-colourless) and SI2 clarity (slightly-included), with a top-tier cut grade and certified by GIA 7526161819. Listed at 11 retailers as of November 5, 2026, with prices from HK$11,925 to HK$30,408, a HK$18,483 spread on the same certified stone. NZ Jewellers lists it at HK$30,408. 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
J
Colour
SI2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.5°
Pavilion angle41.2°
OriginNatural
Grading LabGIA
CertificateGIA 7526161819
Dimensions6.45 × 6.40 × 4.00 mm
L/W Ratio1.01
Star length50%
Culet sizeNone
Key to symbols
Crystal
Top View
6.45 mm6.40 mm1.02 ctJ / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 7526161819
Side View
Table 58.0%Crown 35.5°Girdle: MED-STKPavilion 41.2°Culet: NoneDepth 62.2%

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$30,408 HKD|Low: HK$11,917 HKD|High: HK$30,918 HKD|Avg: HK$15,829 HKD|-1.6%
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
November 6, 2026
Retailer 2HK$11,925 HKD
Retailer 7HK$12,466 HKD
Retailer 9HK$12,466 HKD
Retailer 10HK$13,039 HKD
Retailer 3HK$13,651 HKD
Retailer 4HK$13,745 HKD
Retailer 11HK$13,980 HKD
Retailer 8HK$14,388 HKD
Retailer 5HK$15,298 HKD
Retailer 6HK$21,778 HKD
NZ JewellersHK$30,408 HKD

31 data points across 11 retailers

11 retailersHK$11,925 HKD to HK$30,408 HKD

A
Cheapest Retailer
-
HK$11,925 HKD
A
Retailer 2
-
HK$12,466 HKD
View
Retailer 3
-
HK$12,466 HKD
View
Price last confirmed 8 days ago
A
Retailer 4
-
HK$13,039 HKD
View
Retailer 5
-
HK$13,651 HKD
View
Price last confirmed 11 days ago
A
Retailer 6
-
HK$13,745 HKD
View
B+
Retailer 7
-
HK$13,980 HKD
View
A
Retailer 8
-
HK$14,388 HKD
View
B+
Retailer 9
-
HK$15,298 HKD
View
B
Retailer 10
-
HK$21,778 HKD
View
Most Expensive
B
NZ Jewellers
fe0a5586-2fca-4c97-8bb2-08f3cda9bbc3 · Nov 5
HK$30,408 HKD
$3,876 USD
View
10 more retailers have this diamond
Prices start from HK$11,925 HKDSave up to HK$18,483 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
1.02ct Round
HK$11,925 HKD