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Round|Natural|GIA

0.73ct D SI2 Round Natural Diamond

EX • D/SI2 • GIA 6491189340

Certificate GIA 6491189340

Diamond specifications and retailer prices

From $2,318 AUD
As of November 5, 2026
Save $2,694 AUD (54%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: $6,997 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 6491189340. Listed at 19 retailers as of November 4, 2026, with a 116% 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
FluorescenceFaint
Crown angle32°
Pavilion angle41.4°
OriginNatural
Grading LabGIA
CertificateGIA 6491189340
Dimensions5.83 × 5.81 × 3.53 mm
L/W Ratio1.00
Star length50%
Lower girdle80%
Top View
5.83 mm5.81 mm0.73 ctD / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateGIA 6491189340
Side View
Table 59.0%Crown 32°Girdle: Slightly ThickPavilion 41.4°Culet: NoneDepth 60.7%

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 5
Current: $6,997 AUD|Low: $2,000 AUD|High: $6,997 AUD|Avg: $3,684 AUD
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
November 6, 2026
Retailer 5$2,400 AUD
Retailer 7$2,598 AUD
Retailer 6$2,718 AUD
Retailer 8$2,998 AUD
Retailer 2$3,078 AUD
Retailer 3$3,630 AUD
Retailer 4$5,013 AUD
NZ Jewellers$6,997 AUD

40 data points across 8 retailers

19 retailers$2,318 AUD to $5,013 AUD

B+
Cheapest Retailer
-
$2,318 AUD
B+
Retailer 2
-
$2,368 AUD
View
B+
Retailer 3
-
$2,400 AUD
View
Final sale: no returns
B+
Retailer 4
-
$2,454 AUD
View
B+
Retailer 5
-
$2,507 AUD
View
Retailer 6
-
$2,598 AUD
View
Price last confirmed 8 days ago
B+
Retailer 7
-
$2,598 AUD
View
B
Retailer 8
-
$2,718 AUD
View
B
Retailer 9
-
$2,998 AUD
View
B
Retailer 10
-
$3,043 AUD
View
B
Retailer 11
-
$3,043 AUD
View
B
Retailer 12
-
$3,078 AUD
View
B
Retailer 13
-
$3,143 AUD
View
B
Retailer 14
-
$3,274 AUD
View
B
Retailer 15
-
$3,300 AUD
View
B
Retailer 16
-
$3,630 AUD
View
B
Retailer 17
-
$3,848 AUD
View
B
Retailer 18
-
$5,013 AUD
View
Most Expensive
NZ Jewellers
aef735d3-74c7-48ed-9fb5-71570f84fdda · Nov 5
$6,997 AUD
$4,898 USD
View
Price under review
18 more retailers have this diamond
Prices start from $2,318 AUDSave up to $2,694 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
$2,318 AUD