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Round|Natural|GIA

1.00ct H SI1 Round Natural Diamond

EX • H/SI1 • GIA 6552531225

Certificate GIA 6552531225

Diamond specifications and retailer prices

From HK$13,455 HKD
As of November 6, 2026
Save HK$17,973 HKD (57%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: HK$38,034 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 SI1 clarity (slightly-included), with a top-tier cut grade and certified by GIA 6552531225. Listed at 19 retailers as of November 4, 2026, with a 134% 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
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
Crown angle34.5°
Pavilion angle41.8°
OriginNatural
Grading LabGIA
CertificateGIA 6552531225
Dimensions6.32 × 6.37 × 4.01 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizeNone
Top View
6.32 mm6.37 mm1.00 ctH / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateGIA 6552531225
Side View
Table 58.0%Crown 34.5°Girdle: MED-STKPavilion 41.8°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$38,034 HKD|Low: HK$13,455 HKD|High: HK$38,034 HKD|Avg: HK$20,294 HKD
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
November 6, 2026
Retailer 4HK$13,455 HKD
Retailer 2HK$13,533 HKD
Retailer 7HK$14,976 HKD
Retailer 15HK$15,424 HKD
Retailer 16HK$16,404 HKD
Retailer 14HK$16,506 HKD
Retailer 6HK$16,608 HKD
Retailer 5HK$17,762 HKD
Retailer 9HK$18,193 HKD
Retailer 10HK$18,774 HKD
Retailer 11HK$19,629 HKD
Retailer 13HK$20,672 HKD
Retailer 8HK$20,994 HKD
Retailer 12HK$21,159 HKD
Retailer 3HK$26,109 HKD
Retailer 17HK$31,428 HKD
NZ JewellersHK$38,034 HKD

23 data points across 17 retailers

19 retailersHK$13,455 HKD to HK$31,428 HKD

A
Cheapest Retailer
-
HK$13,455 HKD
A
Retailer 2
-
HK$13,533 HKD
View
Retailer 3
-
HK$14,976 HKD
View
Price last confirmed 11 days ago
A
Retailer 4
-
HK$15,424 HKD
View
A
Retailer 5
-
HK$16,404 HKD
View
A
Retailer 6
-
HK$16,506 HKD
View
A
Retailer 7
-
HK$16,608 HKD
View
Final sale: no returns
A
Retailer 8
-
HK$17,762 HKD
View
Retailer 9
-
HK$18,193 HKD
View
Price last confirmed 17 days ago
B+
Retailer 10
-
HK$18,499 HKD
View
B+
Retailer 11
-
HK$18,774 HKD
View
Retailer 12
-
HK$19,244 HKD
View
Price last confirmed 22 days ago
B+
Retailer 13
-
HK$19,629 HKD
View
B+
Retailer 14
-
HK$20,672 HKD
View
Retailer 15
-
HK$20,994 HKD
View
Price last confirmed 16 days ago
B+
Retailer 16
-
HK$21,159 HKD
View
B+
Retailer 17
-
HK$26,109 HKD
View
B
Retailer 18
-
HK$31,428 HKD
View
Most Expensive
NZ Jewellers
64dd4573-0d9b-4409-8f8a-84c3ac87e9dd · Oct 20
HK$38,034 HKD
$4,848 USD
View
Price last confirmed 17 days ago
18 more retailers have this diamond
Prices start from HK$13,455 HKDSave up to HK$17,973 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$13,455 HKD