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Round|Natural|GIA

0.73ct K SI2 Round Natural Diamond

EX • K/SI2 • GIA 6251265576

Certificate GIA 6251265576

Diamond specifications and retailer prices

From $763 AUD
As of November 4, 2026
Save $260 AUD (25%) vs most expensive(unlock to see where)
6 retailers carry this diamond
Most expensive: $2,059 AUD at MOH London · As of October 10, 2026
View at MOH London

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 6251265576. Listed at 6 retailers as of October 31, 2026, with a 34% 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 angle35°
Pavilion angle41.4°
OriginNatural
Grading LabGIA
CertificateGIA 6251265576
Dimensions5.73 × 5.76 × 3.61 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizeNone
Top View
5.73 mm5.76 mm0.73 ctK / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateGIA 6251265576
Side View
Table 57.0%Crown 35°Girdle: MED-STKPavilion 41.4°Culet: NoneDepth 62.8%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 4
Current: $2,059 AUD|Low: $636 AUD|High: $2,059 AUD|Avg: $1,015 AUD|+0.2%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
October 25, 2026
Retailer 11$636 AUD
Retailer 4$763 AUD
Retailer 10$804 AUD
Retailer 2$829 AUD
Retailer 3$879 AUD
Retailer 8$913 AUD
Retailer 9$947 AUD
Retailer 5$1,023 AUD
Retailer 6$1,036 AUD
Retailer 7$1,180 AUD
MOH London$2,059 AUD

26 data points across 11 retailers

6 retailers$763 AUD to $1,023 AUD

A
Cheapest Retailer
-
$763 AUD
Retailer 2
-
$804 AUD
View
Price last confirmed 20 days ago
A
Retailer 3
-
$829 AUD
View
B+
Retailer 4
-
$1,023 AUD
View
Retailer 5
-
$1,036 AUD
View
Price last confirmed 21 days ago
Most Expensive
MOH London
37980A72D · Oct 10
$2,059 AUD
£1,135 GBP
View
Price last confirmed 26 days ago
5 more retailers have this diamond
Prices start from $763 AUDSave up to $260 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.

A
0.73ct Round
$763 AUD