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Round|Natural|GIA

1.00ct H SI2 Round Natural Diamond

EX • H/SI2 • GIA 5553042899

Certificate GIA 5553042899

Diamond specifications and retailer prices

From HK$13,031 HKD
As of November 5, 2026
Save HK$17,903 HKD (58%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: HK$37,955 HKD at NZ Jewellers · As of October 20, 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 5553042899. Listed at 19 retailers as of November 2, 2026, with a 137% 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
H
Colour
SI2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35°
Pavilion angle41.4°
OriginNatural
Grading LabGIA
CertificateGIA 5553042899
Dimensions6.33 × 6.36 × 4.00 mm
L/W Ratio1.00
Top View
6.33 mm6.36 mm1.00 ctH / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 5553042899
Side View
Table 59.0%Crown 35°Girdle: MED-STKPavilion 41.4°Culet: NoneDepth 63.0%

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 5
Current: HK$37,955 HKD|Low: HK$13,031 HKD|High: HK$37,955 HKD|Avg: HK$19,418 HKD|+0.8%
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
Retailer 17
Retailer 18
November 6, 2026
Retailer 15HK$13,031 HKD
Retailer 17HK$13,455 HKD
Retailer 5HK$14,451 HKD
Retailer 3HK$14,765 HKD
Retailer 18HK$14,969 HKD
Retailer 14HK$16,396 HKD
Retailer 2HK$16,428 HKD
Retailer 10HK$16,444 HKD
Retailer 8HK$17,205 HKD
Retailer 4HK$18,593 HKD
Retailer 6HK$18,593 HKD
Retailer 9HK$18,978 HKD
Retailer 11HK$19,072 HKD
Retailer 7HK$19,221 HKD
Retailer 16HK$21,551 HKD
Retailer 12HK$22,476 HKD
Retailer 13HK$30,934 HKD
NZ JewellersHK$37,955 HKD

26 data points across 18 retailers

19 retailersHK$13,031 HKD to HK$30,934 HKD

A
Cheapest Retailer
-
HK$13,031 HKD
A
Retailer 2
-
HK$13,455 HKD
View
A
Retailer 3
-
HK$14,451 HKD
View
A
Retailer 4
-
HK$14,765 HKD
View
Final sale: no returns
A
Retailer 5
-
HK$14,969 HKD
View
Retailer 6
-
HK$16,318 HKD
View
Price last confirmed 21 days ago
A
Retailer 7
-
HK$16,396 HKD
View
A
Retailer 8
-
HK$16,428 HKD
View
Retailer 9
-
HK$16,444 HKD
View
Price last confirmed 15 days ago
Retailer 10
-
HK$17,205 HKD
View
Price last confirmed 15 days ago
A
Retailer 11
-
HK$18,593 HKD
View
A
Retailer 12
-
HK$18,593 HKD
View
Retailer 13
-
HK$18,978 HKD
View
Price last confirmed 16 days ago
B+
Retailer 14
-
HK$19,072 HKD
View
B+
Retailer 15
-
HK$19,221 HKD
View
B+
Retailer 16
-
HK$21,551 HKD
View
B+
Retailer 17
-
HK$22,476 HKD
View
B
Retailer 18
-
HK$30,934 HKD
View
Most Expensive
NZ Jewellers
83c0332c-7649-483a-b899-540f4f630fff · Oct 20
HK$37,955 HKD
$4,838 USD
View
Price last confirmed 17 days ago
18 more retailers have this diamond
Prices start from HK$13,031 HKDSave up to HK$17,903 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$13,031 HKD