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Round|Natural|GIA

0.73ct D SI2 Round Natural Diamond

EX • D/SI2 • GIA 6512709428

Certificate GIA 6512709428

Diamond specifications and retailer prices

From $2,293 AUD
As of November 4, 2026
Save $2,846 AUD (55%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: $6,150 AUD at NZ Jewellers · As of November 5, 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 D colour (colourless) and SI2 clarity (slightly-included), with a top-tier cut grade and certified by GIA 6512709428. Listed at 18 retailers as of November 4, 2026, with a 124% 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
D
Colour
SI2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.5°
Pavilion angle41°
OriginNatural
Grading LabGIA
CertificateGIA 6512709428
Dimensions5.76 × 5.74 × 3.59 mm
L/W Ratio1.00
Star length50%
Lower girdle80%
Top View
5.76 mm5.74 mm0.73 ctD / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 6512709428
Side View
Table 57.0%Crown 35.5°Girdle: ThickPavilion 41°Culet: NoneDepth 62.4%

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 4
Current: $6,150 AUD|Low: $2,293 AUD|High: $6,150 AUD|Avg: $3,501 AUD
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
November 6, 2026
Retailer 5$2,293 AUD
Retailer 8$2,394 AUD
Retailer 6$2,428 AUD
Retailer 9$2,664 AUD
Retailer 7$2,787 AUD
Retailer 2$3,176 AUD
Retailer 3$3,726 AUD
Retailer 4$5,138 AUD
NZ Jewellers$6,150 AUD

43 data points across 9 retailers

18 retailers$2,293 AUD to $5,138 AUD

B+
Cheapest Retailer
-
$2,293 AUD
B+
Retailer 2
-
$2,377 AUD
View
B+
Retailer 3
-
$2,394 AUD
View
B+
Retailer 4
-
$2,428 AUD
View
B+
Retailer 5
-
$2,513 AUD
View
Retailer 6
-
$2,664 AUD
View
Price last confirmed 8 days ago
B
Retailer 7
-
$2,664 AUD
View
B
Retailer 8
-
$2,787 AUD
View
B
Retailer 9
-
$3,074 AUD
View
B
Retailer 10
-
$3,114 AUD
View
B
Retailer 11
-
$3,114 AUD
View
B
Retailer 12
-
$3,176 AUD
View
B
Retailer 13
-
$3,214 AUD
View
B
Retailer 14
-
$3,358 AUD
View
B
Retailer 15
-
$3,384 AUD
View
B
Retailer 16
-
$3,726 AUD
View
B
Retailer 17
-
$5,138 AUD
View
Most Expensive
NZ Jewellers
7c672a3c-fc1f-4e41-9860-7210a1a437eb · Nov 5
$6,150 AUD
$4,305 USD
View
Price under review
17 more retailers have this diamond
Prices start from $2,293 AUDSave up to $2,846 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
$2,293 AUD