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Round|Natural|GIA

1.00ct H SI2 Round Natural Diamond

EX • H/SI2 • GIA 3455453944

Certificate GIA 3455453944

Diamond specifications and retailer prices

From HK$17,722 HKD
As of November 6, 2026
Save HK$29,945 HKD (63%) vs most expensive(unlock to see where)
22 retailers carry this diamond
Most expensive: HK$47,667 HKD at NZ Jewellers · As of November 5, 2026
View at NZ Jewellers

About this 1ct natural round diamond

This 1ct natural round sits in the classic one-carat band, graded H colour (near-colourless) and SI2 clarity (slightly-included), with a top-tier cut grade and certified by GIA 3455453944. Listed at 22 retailers as of November 5, 2026, with prices from HK$17,722 to HK$47,667, a HK$29,945 spread on the same certified stone. NZ Jewellers lists it at HK$47,667. 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
H
Colour
SI2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceFaint
Crown angle36.5°
Pavilion angle40.6°
OriginNatural
Grading LabGIA
CertificateGIA 3455453944
Dimensions6.38 × 6.32 × 3.99 mm
L/W Ratio1.01
Star length50%
Lower girdle80%
Top View
6.38 mm6.32 mm1.00 ctH / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceFaint
CertificateGIA 3455453944
Side View
Table 55.0%Crown 36.5°Girdle: MED-STKPavilion 40.6°Culet: NoneDepth 63.2%

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: Nov 6
Current: HK$21,213 HKD|Low: HK$16,436 HKD|High: HK$38,583 HKD|Avg: HK$23,458 HKD|-1.7%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
November 6, 2026
Retailer 8HK$17,722 HKD
Retailer 4HK$17,848 HKD
Retailer 6HK$19,064 HKD
Retailer 1HK$21,213 HKD
Retailer 7HK$21,449 HKD
Retailer 2HK$23,991 HKD
Retailer 3HK$24,877 HKD
Retailer 5HK$38,128 HKD

43 data points across 8 retailers

22 retailersHK$17,722 HKD to HK$47,667 HKD

Retailer 1
-
HK$16,985 HKD
Price last confirmed 26 days ago
A
Retailer 2
-
HK$17,722 HKD
View
A
Retailer 3
-
HK$17,848 HKD
View
A
Retailer 4
-
HK$18,122 HKD
View
B+
Retailer 5
-
HK$18,499 HKD
View
B+
Retailer 6
-
HK$19,064 HKD
View
Final sale: no returns
B+
Retailer 7
-
HK$19,166 HKD
View
Retailer 8
-
HK$20,656 HKD
View
Price last confirmed 8 days ago
B+
Retailer 9
-
HK$20,656 HKD
View
B+
Retailer 10
-
HK$20,955 HKD
View
B+
Retailer 11
-
HK$21,213 HKD
View
B+
Retailer 12
-
HK$21,449 HKD
View
B
Retailer 13
-
HK$23,614 HKD
View
B
Retailer 14
-
HK$23,614 HKD
View
B
Retailer 15
-
HK$23,834 HKD
View
B+
Retailer 16
-
HK$23,991 HKD
View
B
Retailer 17
-
HK$24,399 HKD
View
B+
Retailer 18
-
HK$24,877 HKD
View
Retailer 19
-
HK$26,478 HKD
View
Price last confirmed 14 days ago
B
Retailer 20
-
HK$38,128 HKD
View
B
Retailer 21
-
HK$46,844 HKD
View
Most Expensive
B
NZ Jewellers
bcb0ac1b-07bb-4a7d-b9c3-dcd4980bfa5b · Nov 5
HK$47,667 HKD
$6,076 USD
View
21 more retailers have this diamond
Prices start from HK$17,722 HKDSave up to HK$29,945 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$17,722 HKD