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Round|Natural|GIA

1.00ct H SI2 Round Natural Diamond

EX • H/SI2 • GIA 6555401272

Certificate GIA 6555401272

Diamond specifications and retailer prices

From HK$13,753 HKD
As of November 6, 2026
Save HK$23,512 HKD (63%) vs most expensive(unlock to see where)
21 retailers carry this diamond
Most expensive: HK$37,265 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 6555401272. Listed at 21 retailers as of November 5, 2026, with prices from HK$13,753 to HK$37,265, a HK$23,512 spread on the same certified stone. NZ Jewellers lists it at HK$37,265. 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
SymmetryExcellent
FluorescenceNone
Crown angle33.5°
Pavilion angle41.6°
OriginNatural
Grading LabGIA
CertificateGIA 6555401272
Dimensions6.35 × 6.39 × 3.95 mm
L/W Ratio1.01
Culet sizeNone
Key to symbols
Feather, Crystal
Top View
6.35 mm6.39 mm1.00 ctH / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 6555401272
Side View
Table 61.0%Crown 33.5°Girdle: MED-STKPavilion 41.6°Culet: NoneDepth 61.9%

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$16,585 HKD|Low: HK$13,753 HKD|High: HK$31,389 HKD|Avg: HK$18,730 HKD|-1.8%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
November 6, 2026
Retailer 3HK$13,753 HKD
Retailer 8HK$13,808 HKD
Retailer 6HK$14,874 HKD
Retailer 9HK$15,698 HKD
Retailer 1HK$16,585 HKD
Retailer 2HK$17,150 HKD
Retailer 4HK$19,111 HKD
Retailer 5HK$19,252 HKD
Retailer 7HK$20,468 HKD
Retailer 10HK$21,425 HKD
Retailer 11HK$31,145 HKD

25 data points across 11 retailers

21 retailersHK$13,753 HKD to HK$37,265 HKD

A
Cheapest Retailer
-
HK$13,753 HKD
A
Retailer 2
-
HK$13,808 HKD
View
A
Retailer 3
-
HK$14,874 HKD
View
A
Retailer 4
-
HK$15,698 HKD
View
A
Retailer 5
-
HK$16,098 HKD
View
A
Retailer 6
-
HK$16,444 HKD
View
Final sale: no returns
A
Retailer 7
-
HK$16,585 HKD
View
A
Retailer 8
-
HK$17,150 HKD
View
Retailer 9
-
HK$17,824 HKD
View
Price last confirmed 8 days ago
A
Retailer 10
-
HK$17,824 HKD
View
B+
Retailer 11
-
HK$18,648 HKD
View
B+
Retailer 12
-
HK$18,915 HKD
View
B+
Retailer 13
-
HK$19,111 HKD
View
B+
Retailer 14
-
HK$19,252 HKD
View
B+
Retailer 15
-
HK$19,440 HKD
View
B+
Retailer 16
-
HK$20,468 HKD
View
B+
Retailer 17
-
HK$20,562 HKD
View
B+
Retailer 18
-
HK$21,425 HKD
View
B
Retailer 19
-
HK$26,580 HKD
View
B
Retailer 20
-
HK$31,145 HKD
View
Most Expensive
B
NZ Jewellers
856f0a8c-3b65-4e36-9112-446ac20fed2e · Nov 5
HK$37,265 HKD
$4,750 USD
View
20 more retailers have this diamond
Prices start from HK$13,753 HKDSave up to HK$23,512 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$13,753 HKD