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Round|Natural|GIA

1.02ct H SI1 Round Natural Diamond

EX • H/SI1 • GIA 1563620448

Certificate GIA 1563620448

Diamond specifications and retailer prices

From HK$18,457 HKD
As of November 6, 2026
Save HK$11,983 HKD (39%) vs most expensive(unlock to see where)
22 retailers carry this diamond
Most expensive: HK$43,145 HKD at NZ Jewellers · As of October 30, 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 H colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by GIA 1563620448. Listed at 22 retailers as of October 31, 2026, with a 65% 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
H
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36°
Pavilion angle40.8°
OriginNatural
Grading LabGIA
CertificateGIA 1563620448
Dimensions6.36 × 6.40 × 3.96 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizeNone
Top View
6.36 mm6.40 mm1.02 ctH / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 1563620448
Side View
Table 59.0%Crown 36°Girdle: MED-STKPavilion 40.8°Culet: NoneDepth 62.1%

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$43,145 HKD|Low: HK$17,650 HKD|High: HK$43,145 HKD|Avg: HK$24,599 HKD
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
Retailer 15
Retailer 16
Retailer 17
Retailer 18
Retailer 19
Retailer 20
Retailer 21
Retailer 22
November 3, 2026
Retailer 22HK$18,457 HKD
Retailer 8HK$18,841 HKD
Retailer 6HK$20,753 HKD
Retailer 18HK$21,514 HKD
Retailer 2HK$22,854 HKD
Retailer 5HK$22,870 HKD
Retailer 19HK$22,917 HKD
Retailer 10HK$23,920 HKD
Retailer 12HK$23,920 HKD
Retailer 3HK$24,061 HKD
Retailer 15HK$24,798 HKD
Retailer 11HK$24,837 HKD
Retailer 7HK$25,080 HKD
Retailer 13HK$26,561 HKD
Retailer 17HK$27,164 HKD
Retailer 14HK$27,541 HKD
Retailer 9HK$27,690 HKD
Retailer 4HK$28,575 HKD
Retailer 16HK$29,030 HKD
Retailer 21HK$29,359 HKD
Retailer 20HK$30,440 HKD
NZ JewellersHK$43,145 HKD

12 data points across 22 retailers

22 retailersHK$18,457 HKD to HK$30,440 HKD

A
Cheapest Retailer
-
HK$18,457 HKD
Retailer 2
-
HK$18,841 HKD
View
Price last confirmed 7 days ago
B+
Retailer 3
-
HK$20,753 HKD
View
Retailer 4
-
HK$21,020 HKD
View
Price last confirmed 8 days ago
B+
Retailer 5
-
HK$21,514 HKD
View
B+
Retailer 6
-
HK$22,854 HKD
View
Final sale: no returns
Retailer 7
-
HK$22,870 HKD
View
Price last confirmed 7 days ago
B+
Retailer 8
-
HK$22,917 HKD
View
Retailer 9
-
HK$23,920 HKD
View
Price last confirmed 8 days ago
Retailer 10
-
HK$23,920 HKD
View
Price last confirmed 9 days ago
Retailer 11
-
HK$24,061 HKD
View
Price last confirmed 6 days ago
Retailer 12
-
HK$24,798 HKD
View
Price last confirmed 16 days ago
Retailer 13
-
HK$24,837 HKD
View
Price last confirmed 8 days ago
B+
Retailer 14
-
HK$25,080 HKD
View
B+
Retailer 15
-
HK$26,561 HKD
View
B+
Retailer 16
-
HK$27,164 HKD
View
B+
Retailer 17
-
HK$27,690 HKD
View
B
Retailer 18
-
HK$28,575 HKD
View
B
Retailer 19
-
HK$29,030 HKD
View
B
Retailer 20
-
HK$29,359 HKD
View
B
Retailer 21
-
HK$30,440 HKD
View
Most Expensive
NZ Jewellers
bc9512d4-d927-4aff-8c97-9dffd3028cd8 · Oct 30
HK$43,145 HKD
$5,505 USD
View
Price last confirmed 7 days ago
21 more retailers have this diamond
Prices start from HK$18,457 HKDSave up to HK$11,983 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$18,457 HKD