Round|Natural|GIA

0.73ct J SI2 Round Natural Diamond

EX • J/SI2 • GIA 6512390405

Certificate GIA 6512390405

Diamond specifications and retailer prices

From HK$5,876 HKD
$749 USD
As of October 30, 2026
Save HK$5,811 HKD (50%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: HK$19,983 HKD at NZ Jewellers · As of September 26, 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 J colour (near-colourless) and SI2 clarity (slightly-included), with a top-tier cut grade and certified by GIA 6512390405. Listed at 13 retailers as of October 26, 2026, with a 99% 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
J
Colour
SI2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
OriginNatural
Grading LabGIA
CertificateGIA 6512390405
Dimensions5.75 × 5.71 × 3.59 mm
L/W Ratio1.01
Top View
5.75 mm5.71 mm0.73 ctJ / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateGIA 6512390405
Side View
Table 57.0%CrownGirdle: ThickPavilionCulet: NoneDepth 62.6%

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: Oct 30
Current: HK$5,925 HKD|Low: HK$5,390 HKD|High: HK$11,817 HKD|Avg: HK$7,520 HKD|+1.7%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
October 31, 2026
Retailer 11HK$5,704 HKD
Retailer 7HK$5,876 HKD
Retailer 1HK$5,925 HKD
Retailer 9HK$6,465 HKD
Retailer 2HK$7,022 HKD
Retailer 10HK$7,061 HKD
Retailer 8HK$7,414 HKD
Retailer 4HK$7,628 HKD
Retailer 5HK$9,021 HKD
Retailer 3HK$9,100 HKD
Retailer 6HK$11,688 HKD

39 data points across 11 retailers

13 retailersHK$5,876 HKD to HK$11,688 HKD

A
Cheapest Retailer
-
HK$5,876 HKD
$749 USD
Final sale: no returns
A
Retailer 2
-
HK$5,925 HKD
View
Retailer 3
-
HK$6,371 HKD
$812 USD
View
Price last confirmed 23 days ago
Retailer 4
-
HK$6,371 HKD
$812 USD
View
Price last confirmed 23 days ago
B+
Retailer 5
-
HK$6,465 HKD
$824 USD
View
Retailer 6
-
HK$6,614 HKD
$843 USD
View
Price last confirmed 32 days ago
B+
Retailer 7
-
HK$7,061 HKD
$900 USD
View
Retailer 8
-
HK$7,351 HKD
$937 USD
View
Price last confirmed 22 days ago
B+
Retailer 9
-
HK$7,414 HKD
$945 USD
View
B+
Retailer 10
-
HK$7,628 HKD
£766 GBP
View
B+
Retailer 11
-
HK$9,021 HKD
€1,095 EUR
View
B
Retailer 12
-
HK$11,688 HKD
£1,173 GBP
View
Most Expensive
NZ Jewellers
c2f89733-606c-4710-a258-8aa54c6076f6 · Sep 26
HK$19,983 HKD
$2,547 USD
View
Price last confirmed 35 days ago
12 more retailers have this diamond
Prices start from HK$5,876 HKDSave up to HK$5,811 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
0.73ct Round
HK$5,876 HKD