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Round|Natural|GIA

0.73ct K SI2 Round Natural Diamond

EX • K/SI2 • GIA 6545203826

Certificate GIA 6545203826

Diamond specifications and retailer prices

From $1,213 AUD
As of November 6, 2026
Save $1,087 AUD (47%) vs most expensive(unlock to see where)
8 retailers carry this diamond
Most expensive: $3,071 AUD at NZ Jewellers · As of September 28, 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 K colour (faint-tinted) and SI2 clarity (slightly-included), with a top-tier cut grade and certified by GIA 6545203826. Listed at 8 retailers as of November 4, 2026, with a 90% 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
K
Colour
SI2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
Crown angle36°
Pavilion angle40.8°
OriginNatural
Grading LabGIA
CertificateGIA 6545203826
Dimensions5.76 × 5.74 × 3.60 mm
L/W Ratio1.00
Star length50%
Top View
5.76 mm5.74 mm0.73 ctK / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateGIA 6545203826
Side View
Table 56.0%Crown 36°Girdle: THN-MEDPavilion 40.8°Culet: NoneDepth 62.5%

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 6
Current: $1,213 AUD|Low: $1,133 AUD|High: $2,303 AUD|Avg: $1,564 AUD|+7.1%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
November 6, 2026
Retailer 1$1,213 AUD
Retailer 2$1,407 AUD
Retailer 4$1,426 AUD
Retailer 3$2,300 AUD

43 data points across 4 retailers

8 retailers$1,213 AUD to $2,300 AUD

Retailer 1
-
$980 AUD
Price last confirmed 29 days ago
Retailer 2
-
$980 AUD
View
Price last confirmed 29 days ago
Retailer 3
-
$1,017 AUD
View
Price last confirmed 38 days ago
Retailer 4
-
$1,130 AUD
View
Price last confirmed 38 days ago
B+
Retailer 5
-
$1,213 AUD
View
B+
Retailer 6
-
$1,407 AUD
View
B
Retailer 7
-
$2,300 AUD
View
Most Expensive
NZ Jewellers
17a5986b-7ef1-4e27-8d7e-54bc9e42b86f · Sep 28
$3,071 AUD
$2,150 USD
View
Price last confirmed 39 days ago
7 more retailers have this diamond
Prices start from $1,213 AUDSave up to $1,087 AUD

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
$1,213 AUD