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Round|Natural|GIA

1.00ct I VS1 Round Natural Diamond

EX • I/VS1 • GIA 1242015511

Certificate GIA 1242015511

Diamond specifications and retailer prices

From HK$17,473 HKD
As of November 4, 2026
Save HK$22,015 HKD (56%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: HK$42,046 HKD at NZ Jewellers · As of October 17, 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 VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by GIA 1242015511. Listed at 11 retailers as of November 4, 2026, with a 126% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.00
Carat
I
Colour
VS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
Pavilion angle40.6°
OriginNatural
Grading LabGIA
CertificateGIA 1242015511
Dimensions6.31 × 6.36 × 3.97 mm
L/W Ratio1.01
Key to symbols
Crystal, Cloud, Pinpoint, Natural
Top View
6.31 mm6.36 mm1.00 ctI / VS1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateGIA 1242015511
Side View
Table 57.0%CrownGirdle: MED-STKPavilion 40.6°Culet: NoneDepth 62.7%

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 4
Current: HK$39,488 HKD|Low: HK$17,473 HKD|High: HK$42,713 HKD|Avg: HK$25,849 HKD|-7.5%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
November 4, 2026
Retailer 5HK$17,473 HKD
Retailer 2HK$20,289 HKD
Retailer 4HK$21,317 HKD
Retailer 8HK$24,134 HKD
Retailer 6HK$24,534 HKD
Retailer 9HK$24,871 HKD
Retailer 3HK$27,052 HKD
Retailer 7HK$36,577 HKD
Retailer 1HK$39,488 HKD

41 data points across 9 retailers

11 retailersHK$17,473 HKD to HK$39,488 HKD

A
Cheapest Retailer
-
HK$17,473 HKD
A
Retailer 2
-
HK$20,289 HKD
View
A
Retailer 3
-
HK$21,317 HKD
View
Retailer 4
-
HK$24,134 HKD
View
Price last confirmed 16 days ago
Retailer 5
-
HK$24,534 HKD
View
Price last confirmed 10 days ago
B+
Retailer 6
-
HK$24,871 HKD
View
Retailer 7
-
HK$25,295 HKD
View
Price last confirmed 21 days ago
B+
Retailer 8
-
HK$27,052 HKD
View
Retailer 9
-
HK$36,577 HKD
View
Price last confirmed 15 days ago
B
Retailer 10
-
HK$39,488 HKD
View
Most Expensive
NZ Jewellers
a9ac2355-826d-4469-8702-f25364f15cf1 · Oct 17
HK$42,046 HKD
$5,359 USD
View
Price last confirmed 18 days ago
10 more retailers have this diamond
Prices start from HK$17,473 HKDSave up to HK$22,015 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$17,473 HKD