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Round|Natural|GIA

1.00ct I SI2 Round Natural Diamond

EX • I/SI2 • GIA 2447974240

Certificate GIA 2447974240

Diamond specifications and retailer prices

From HK$11,446 HKD
As of November 6, 2026
Save HK$15,455 HKD (57%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: HK$37,555 HKD at NZ Jewellers · As of October 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 SI2 clarity (slightly-included), with a top-tier cut grade and certified by GIA 2447974240. Listed at 18 retailers as of November 4, 2026, with a 135% 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
SI2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
Crown angle31.5°
Pavilion angle41.6°
OriginNatural
Grading LabGIA
CertificateGIA 2447974240
Dimensions6.54 × 6.51 × 3.91 mm
L/W Ratio1.00
Star length50%
Lower girdle80%
Top View
6.54 mm6.51 mm1.00 ctI / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateGIA 2447974240
Side View
Table 60.0%Crown 31.5°Girdle: THN-NULPavilion 41.6°Culet: NoneDepth 59.9%

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$37,555 HKD|Low: HK$11,344 HKD|High: HK$37,743 HKD|Avg: HK$17,827 HKD|-0.5%
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
November 6, 2026
Retailer 13HK$11,446 HKD
Retailer 8HK$13,502 HKD
Retailer 14HK$13,902 HKD
Retailer 5HK$14,208 HKD
Retailer 2HK$14,529 HKD
Retailer 4HK$15,400 HKD
Retailer 15HK$15,400 HKD
Retailer 7HK$15,871 HKD
Retailer 16HK$16,106 HKD
Retailer 3HK$16,475 HKD
Retailer 9HK$16,522 HKD
Retailer 6HK$17,769 HKD
Retailer 10HK$17,777 HKD
Retailer 11HK$20,868 HKD
Retailer 12HK$26,901 HKD
NZ JewellersHK$37,555 HKD

27 data points across 16 retailers

18 retailersHK$11,446 HKD to HK$26,901 HKD

A
Cheapest Retailer
-
HK$11,446 HKD
A
Retailer 2
-
HK$13,502 HKD
View
A
Retailer 3
-
HK$13,902 HKD
View
Retailer 4
-
HK$14,012 HKD
View
Price last confirmed 82 days ago
A
Retailer 5
-
HK$14,208 HKD
View
Final sale: no returns
A
Retailer 6
-
HK$14,529 HKD
View
Retailer 7
-
HK$15,400 HKD
View
Price last confirmed 11 days ago
Retailer 8
-
HK$15,400 HKD
View
Price last confirmed 12 days ago
A
Retailer 9
-
HK$15,439 HKD
View
A
Retailer 10
-
HK$15,871 HKD
View
Retailer 11
-
HK$16,106 HKD
View
Price last confirmed 12 days ago
A
Retailer 12
-
HK$16,475 HKD
View
A
Retailer 13
-
HK$16,522 HKD
View
Retailer 14
-
HK$17,769 HKD
View
Price last confirmed 10 days ago
A
Retailer 15
-
HK$17,777 HKD
View
B+
Retailer 16
-
HK$20,868 HKD
View
B+
Retailer 17
-
HK$26,901 HKD
View
Most Expensive
NZ Jewellers
a1e2d04e-eca9-40e4-84d3-f1cc22c453cf · Oct 27
HK$37,555 HKD
$4,787 USD
View
Price last confirmed 10 days ago
17 more retailers have this diamond
Prices start from HK$11,446 HKDSave up to HK$15,455 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$11,446 HKD