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Round|Natural|GIA

1.00ct I SI1 Round Natural Diamond

EX • I/SI1 • GIA 7522427024

Certificate GIA 7522427024

Diamond specifications and retailer prices

From HK$20,158 HKD
$2,569 USD
As of October 31, 2026
Save HK$10,633 HKD (35%) vs most expensive(unlock to see where)
24 retailers carry this diamond
Most expensive: HK$47,247 HKD at NZ Jewellers · As of September 27, 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 7522427024. Listed at 24 retailers as of October 31, 2026, with a 53% 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

1.00
Carat
I
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
Crown angle35.5°
Pavilion angle40.8°
OriginNatural
Grading LabGIA
CertificateGIA 7522427024
Dimensions6.39 × 6.36 × 3.97 mm
L/W Ratio1.00
Girdle conditionFaceted
Culet sizeNone
Cert comments
Additional clouds are not shown. Pinpoints are not shown.
Key to symbols
Cloud, Crystal, Feather, Needle
Top View
6.39 mm6.36 mm1.00 ctI / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateGIA 7522427024
Side View
Table 58.0%Crown 35.5°Girdle: MED-STKPavilion 40.8°Culet: NoneDepth 62.4%

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 31
Current: HK$28,825 HKD|Low: HK$18,963 HKD|High: HK$45,904 HKD|Avg: HK$26,897 HKD|+2.5%
Retailer 1
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
November 1, 2026
Retailer 13HK$20,158 HKD
Retailer 10HK$20,360 HKD
Retailer 18HK$20,783 HKD
Retailer 8HK$21,999 HKD
Retailer 16HK$23,539 HKD
Retailer 6HK$23,851 HKD
Retailer 7HK$24,731 HKD
Retailer 12HK$25,420 HKD
Retailer 17HK$26,435 HKD
Retailer 9HK$26,597 HKD
Retailer 14HK$26,597 HKD
Retailer 2HK$27,538 HKD
Retailer 1HK$28,825 HKD
Retailer 3HK$29,078 HKD
Retailer 5HK$30,724 HKD
Retailer 11HK$30,791 HKD
Retailer 4HK$32,700 HKD
Retailer 15HK$45,775 HKD

38 data points across 18 retailers

24 retailersHK$20,158 HKD to HK$30,791 HKD

A
Cheapest Retailer
-
HK$20,158 HKD
$2,569 USD
B+
Retailer 2
-
HK$20,360 HKD
$2,595 USD
View
Retailer 3
-
HK$21,188 HKD
$2,701 USD
View
Price last confirmed 97 days ago
B+
Retailer 4
-
HK$21,622 HKD
A$4,240 AUD
View
Retailer 5
-
HK$21,999 HKD
$2,804 USD
View
Price last confirmed 25 days ago
B+
Retailer 6
-
HK$23,539 HKD
$3,000 USD
View
B+
Retailer 7
-
HK$23,915 HKD
CA$4,234 CAD
View
Retailer 8
-
HK$24,565 HKD
$3,131 USD
View
Price last confirmed 24 days ago
Retailer 9
-
HK$24,731 HKD
$3,152 USD
View
Price last confirmed 25 days ago
B+
Retailer 10
-
HK$25,420 HKD
$3,240 USD
View
Retailer 11
-
HK$25,420 HKD
$3,240 USD
View
Price last confirmed 11 days ago
Retailer 12
-
HK$25,514 HKD
$3,252 USD
View
Price last confirmed 33 days ago
Retailer 13
-
HK$26,435 HKD
£2,653 GBP
View
Price last confirmed 24 days ago
B+
Retailer 14
-
HK$26,597 HKD
$3,390 USD
View
B+
Retailer 15
-
HK$26,597 HKD
$3,390 USD
View
B
Retailer 16
-
HK$27,538 HKD
$3,510 USD
View
Retailer 17
-
HK$28,347 HKD
$3,613 USD
View
Price last confirmed 32 days ago
B
Retailer 18
-
HK$28,825 HKD
€3,499 EUR
View
Retailer 19
-
HK$29,078 HKD
A$5,702 AUD
View
Price last confirmed 28 days ago
Retailer 20
-
HK$30,724 HKD
$3,916 USD
View
Price last confirmed 24 days ago
B
Retailer 21
-
HK$30,791 HKD
£3,090 GBP
View
Retailer 22
-
HK$32,700 HKD
ZAR 67,332 ZAR
View
Price last confirmed 32 days ago
Retailer 23
-
HK$45,775 HKD
£4,594 GBP
View
Price last confirmed 24 days ago
Most Expensive
NZ Jewellers
5e7f9fa1-f647-457d-9536-ad17968c7a8c · Sep 27
HK$47,247 HKD
$6,022 USD
View
Price last confirmed 35 days ago
23 more retailers have this diamond
Prices start from HK$20,158 HKDSave up to HK$10,633 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$20,158 HKD