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Round|Natural|GIA

0.73ct H SI1 Round Natural Diamond

EX • H/SI1 • GIA 2558575050

Certificate GIA 2558575050

Diamond specifications and retailer prices

From HK$8,323 HKD
As of November 3, 2026
Save HK$9,906 HKD (54%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: HK$21,835 HKD at NZ Jewellers · As of September 15, 2026
View at NZ Jewellers

About this 0.73ct natural round diamond

This 0.73ct natural round sits in the half to three-quarter carat band, graded H colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by GIA 2558575050. Listed at 17 retailers as of November 2, 2026, with a 119% 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

0.73
Carat
H
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.5°
Pavilion angle41.4°
OriginNatural
Grading LabGIA
CertificateGIA 2558575050
Dimensions5.72 × 5.75 × 3.60 mm
L/W Ratio1.01
Girdle conditionFaceted
Top View
5.72 mm5.75 mm0.73 ctH / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 2558575050
Side View
Table 57.0%Crown 34.5°Girdle: Slightly ThickPavilion 41.4°Culet: NoneDepth 62.7%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 3
Current: HK$12,140 HKD|Low: HK$7,626 HKD|High: HK$21,647 HKD|Avg: HK$11,755 HKD|-1.2%
Retailer 1
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 4, 2026
Retailer 6HK$7,869 HKD
Retailer 17HK$8,323 HKD
Retailer 10HK$8,464 HKD
Retailer 5HK$8,637 HKD
Retailer 16HK$8,660 HKD
Retailer 4HK$9,021 HKD
Retailer 9HK$9,029 HKD
Retailer 3HK$9,734 HKD
Retailer 7HK$10,737 HKD
Retailer 11HK$11,192 HKD
Retailer 1HK$12,140 HKD
Retailer 2HK$13,010 HKD
Retailer 8HK$13,026 HKD
Retailer 18HK$13,637 HKD
Retailer 13HK$13,849 HKD
Retailer 14HK$14,868 HKD
Retailer 12HK$18,230 HKD
Retailer 15HK$21,592 HKD

28 data points across 18 retailers

17 retailersHK$8,323 HKD to HK$18,230 HKD

Retailer 1
-
HK$6,920 HKD
Price last confirmed 63 days ago
Retailer 2
-
HK$7,869 HKD
View
Price last confirmed 52 days ago
B+
Retailer 3
-
HK$8,323 HKD
View
Final sale: no returns
B+
Retailer 4
-
HK$8,637 HKD
View
B+
Retailer 5
-
HK$8,660 HKD
View
Retailer 6
-
HK$9,021 HKD
View
Price last confirmed 36 days ago
B+
Retailer 7
-
HK$9,734 HKD
View
B+
Retailer 8
-
HK$10,737 HKD
View
B+
Retailer 9
-
HK$11,192 HKD
View
B
Retailer 10
-
HK$12,140 HKD
View
Retailer 11
-
HK$13,010 HKD
View
Price last confirmed 33 days ago
B
Retailer 12
-
HK$13,637 HKD
View
B
Retailer 13
-
HK$13,849 HKD
View
B
Retailer 14
-
HK$14,868 HKD
View
B
Retailer 15
-
HK$18,230 HKD
View
Retailer 16
-
HK$21,592 HKD
View
Price last confirmed 9 days ago
Most Expensive
NZ Jewellers
23158efa-4603-4e98-812b-f0ada46a9a1d · Sep 15
HK$21,835 HKD
$2,786 USD
View
Price last confirmed 52 days ago
16 more retailers have this diamond
Prices start from HK$8,323 HKDSave up to HK$9,906 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.

B+
0.73ct Round
HK$8,323 HKD