Round|Natural|GIA

1.02ct I SI1 Round Natural Diamond

EX • I/SI1 • GIA 1538610511

Certificate GIA 1538610511

Diamond specifications and retailer prices

From HK$18,198 HKD
As of November 5, 2026
Save HK$5,988 HKD (25%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: HK$42,502 HKD at NZ Jewellers · As of October 17, 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 I colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by GIA 1538610511. Listed at 16 retailers as of November 5, 2026, with a 33% 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
I
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36°
Pavilion angle41°
OriginNatural
Grading LabGIA
CertificateGIA 1538610511
Dimensions6.45 × 6.39 × 4.02 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizeNone
Key to symbols
Twinning Wisp, Feather
Top View
6.45 mm6.39 mm1.02 ctI / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 1538610511
Side View
Table 56.0%Crown 36°Girdle: MED-STKPavilion 41°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$42,502 HKD|Low: HK$15,448 HKD|High: HK$42,502 HKD|Avg: HK$22,144 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
November 5, 2026
Retailer 11HK$15,448 HKD
Retailer 14HK$16,341 HKD
Retailer 2HK$18,198 HKD
Retailer 7HK$18,763 HKD
Retailer 9HK$18,959 HKD
Retailer 4HK$19,358 HKD
Retailer 15HK$19,641 HKD
Retailer 5HK$20,330 HKD
Retailer 19HK$20,330 HKD
Retailer 3HK$21,263 HKD
Retailer 16HK$21,302 HKD
Retailer 10HK$21,427 HKD
Retailer 8HK$22,775 HKD
Retailer 6HK$23,457 HKD
Retailer 12HK$24,186 HKD
Retailer 18HK$24,672 HKD
Retailer 13HK$25,197 HKD
Retailer 17HK$35,801 HKD
NZ JewellersHK$42,502 HKD

23 data points across 19 retailers

16 retailersHK$18,198 HKD to HK$24,186 HKD

Retailer 1
-
HK$15,448 HKD
Price last confirmed 17 days ago
Retailer 2
-
HK$16,341 HKD
View
Price last confirmed 18 days ago
A
Retailer 3
-
HK$18,198 HKD
View
B+
Retailer 4
-
HK$19,327 HKD
View
Retailer 5
-
HK$20,330 HKD
View
Price last confirmed 19 days ago
Retailer 6
-
HK$20,330 HKD
View
Price last confirmed 21 days ago
Retailer 7
-
HK$21,263 HKD
View
Price last confirmed 22 days ago
Retailer 8
-
HK$21,302 HKD
View
Price last confirmed 18 days ago
Retailer 9
-
HK$21,427 HKD
View
Price last confirmed 19 days ago
Retailer 10
-
HK$21,702 HKD
View
Price last confirmed 18 days ago
Retailer 11
-
HK$22,775 HKD
View
Price last confirmed 30 days ago
Retailer 12
-
HK$23,457 HKD
View
Price last confirmed 19 days ago
B
Retailer 13
-
HK$24,186 HKD
View
Retailer 14
-
HK$24,672 HKD
View
Price last confirmed 20 days ago
Retailer 15
-
HK$35,801 HKD
View
Price last confirmed 18 days ago
Most Expensive
NZ Jewellers
bc8e1558-567d-489b-8947-d2d437791496 · Oct 17
HK$42,502 HKD
$5,423 USD
View
Price last confirmed 20 days ago
15 more retailers have this diamond
Prices start from HK$18,198 HKDSave up to HK$5,988 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$18,198 HKD