Round|Natural|GIA

1.00ct I SI1 Round Natural Diamond

EX • I/SI1 • GIA 6502517721

Certificate GIA 6502517721

Diamond specifications and retailer prices

From HK$18,586 HKD
$2,369 USD
As of October 30, 2026
Save HK$30,300 HKD (62%) vs most expensive(unlock to see where)
23 retailers carry this diamond
Most expensive: HK$48,887 HKD at NZ Jewellers · As of October 30, 2026
View at NZ Jewellers

About this 1ct natural round diamond

This 1ct 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 6502517721. Listed at 23 retailers as of October 30, 2026, with prices from HK$18,586 to HK$48,887, a HK$30,300 spread on the same certified stone. NZ Jewellers lists it at HK$48,887. 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
I
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
Crown angle36°
Pavilion angle40.8°
OriginNatural
Grading LabGIA
CertificateGIA 6502517721
Dimensions6.37 × 6.32 × 3.93 mm
L/W Ratio1.01
Star length50%
Lower girdle80%
Top View
6.37 mm6.32 mm1.00 ctI / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateGIA 6502517721
Side View
Table 58.0%Crown 36°Girdle: MED-STKPavilion 40.8°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: Oct 30
Current: HK$48,887 HKD|Low: HK$17,920 HKD|High: HK$48,887 HKD|Avg: HK$28,939 HKD
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
November 1, 2026
Retailer 6HK$18,477 HKD
Retailer 7HK$19,551 HKD
Retailer 9HK$21,999 HKD
Retailer 3HK$24,854 HKD
Retailer 2HK$25,637 HKD
Retailer 8HK$26,200 HKD
Retailer 4HK$28,744 HKD
Retailer 5HK$39,159 HKD
NZ JewellersHK$48,887 HKD

43 data points across 9 retailers

23 retailersHK$18,586 HKD to HK$48,887 HKD

Retailer 1
-
HK$18,477 HKD
$2,355 USD
Price last confirmed 14 days ago
A
Retailer 2
-
HK$18,586 HKD
$2,369 USD
View
B+
Retailer 3
-
HK$18,971 HKD
$2,418 USD
View
B+
Retailer 4
-
HK$19,551 HKD
$2,492 USD
View
Final sale: no returns
B+
Retailer 5
-
HK$19,641 HKD
A$3,851 AUD
View
B+
Retailer 6
-
HK$20,870 HKD
$2,660 USD
View
B+
Retailer 7
-
HK$21,183 HKD
$2,700 USD
View
B+
Retailer 8
-
HK$21,183 HKD
$2,700 USD
View
B+
Retailer 9
-
HK$21,469 HKD
$2,736 USD
View
B+
Retailer 10
-
HK$21,999 HKD
$2,804 USD
View
B
Retailer 11
-
HK$24,024 HKD
$3,062 USD
View
B
Retailer 12
-
HK$24,165 HKD
$3,080 USD
View
B
Retailer 13
-
HK$24,165 HKD
$3,080 USD
View
B
Retailer 14
-
HK$24,447 HKD
$3,116 USD
View
B
Retailer 15
-
HK$24,854 HKD
£2,494 GBP
View
B
Retailer 16
-
HK$25,028 HKD
$3,190 USD
View
B+
Retailer 17
-
HK$25,637 HKD
€3,112 EUR
View
Retailer 18
-
HK$26,200 HKD
A$5,138 AUD
View
Price last confirmed 24 days ago
B+
Retailer 19
-
HK$26,477 HKD
$3,375 USD
View
Retailer 20
-
HK$27,146 HKD
$3,460 USD
View
Price last confirmed 9 days ago
B
Retailer 21
-
HK$28,744 HKD
ZAR 59,186 ZAR
View
B
Retailer 22
-
HK$39,159 HKD
£3,930 GBP
View
Most Expensive
B
NZ Jewellers
954e9cce-4327-4cdb-a9ff-6c9d33a1f055 · Oct 30
HK$48,887 HKD
$6,231 USD
View
22 more retailers have this diamond
Prices start from HK$18,586 HKDSave up to HK$30,300 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
1.00ct Round
HK$18,586 HKD