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Round|Natural|GIA

1.02ct E SI2 Round Natural Diamond

EX • E/SI2 • GIA 1525159336

Certificate GIA 1525159336

Diamond specifications and retailer prices

From HK$15,228 HKD
As of November 5, 2026
Save HK$29,035 HKD (66%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: HK$48,389 HKD at NZ Jewellers · As of September 15, 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 E colour (colourless) and SI2 clarity (slightly-included), with a top-tier cut grade and certified by GIA 1525159336. Listed at 17 retailers as of November 5, 2026, with a 191% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. 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
E
Colour
SI2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.5°
Pavilion angle41.2°
OriginNatural
Grading LabGIA
CertificateGIA 1525159336
Dimensions6.44 × 6.40 × 4.02 mm
L/W Ratio1.01
Star length50%
Lower girdle80%
Culet sizeNone
Key to symbols
Crystal, Needle, Indented Natural
Top View
6.44 mm6.40 mm1.02 ctE / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 1525159336
Side View
Table 58.0%Crown 35.5°Girdle: MED-STKPavilion 41.2°Culet: NoneDepth 62.6%

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 5
Current: HK$44,263 HKD|Low: HK$15,228 HKD|High: HK$48,389 HKD|Avg: HK$23,286 HKD|-8.5%
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
November 6, 2026
Retailer 5HK$15,228 HKD
Retailer 9HK$15,463 HKD
Retailer 4HK$18,570 HKD
Retailer 10HK$18,962 HKD
Retailer 2HK$21,496 HKD
Retailer 3HK$22,273 HKD
Retailer 6HK$22,869 HKD
Retailer 7HK$23,763 HKD
Retailer 8HK$37,092 HKD
NZ JewellersHK$44,263 HKD

30 data points across 10 retailers

17 retailersHK$15,228 HKD to HK$44,263 HKD

A
Cheapest Retailer
-
HK$15,228 HKD
A
Retailer 2
-
HK$15,463 HKD
View
A
Retailer 3
-
HK$18,570 HKD
View
A
Retailer 4
-
HK$18,711 HKD
View
A
Retailer 5
-
HK$18,962 HKD
View
Retailer 6
-
HK$19,982 HKD
View
Price last confirmed 82 days ago
A
Retailer 7
-
HK$21,174 HKD
View
A
Retailer 8
-
HK$21,496 HKD
View
A
Retailer 9
-
HK$21,990 HKD
View
A
Retailer 10
-
HK$22,273 HKD
View
A
Retailer 11
-
HK$22,280 HKD
View
A
Retailer 12
-
HK$22,869 HKD
View
A
Retailer 13
-
HK$23,763 HKD
View
B+
Retailer 14
-
HK$24,430 HKD
View
B+
Retailer 15
-
HK$37,092 HKD
View
B
Retailer 16
-
HK$44,263 HKD
View
Most Expensive
NZ Jewellers
2486f342-7bd9-4681-9583-47cfd3408ee9 · Sep 15
HK$48,389 HKD
$6,168 USD
View
Price last confirmed 52 days ago
16 more retailers have this diamond
Prices start from HK$15,228 HKDSave up to HK$29,035 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$15,228 HKD