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Round|Natural|GIA

0.73ct D SI2 Round Natural Diamond

EX • D/SI2 • GIA 6491914551

Certificate GIA 6491914551

Diamond specifications and retailer prices

From $1,333 AUD
As of November 6, 2026
Save $2,516 AUD (65%) vs most expensive(unlock to see where)
20 retailers carry this diamond
Most expensive: $4,411 AUD at NZ Jewellers · As of October 30, 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 6491914551. Listed at 20 retailers as of November 5, 2026, with a 189% 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 angle32.5°
Pavilion angle41°
OriginNatural
Grading LabGIA
CertificateGIA 6491914551
Dimensions5.90 × 5.86 × 3.51 mm
L/W Ratio1.01
Star length50%
Lower girdle80%
Top View
5.90 mm5.86 mm0.73 ctD / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 6491914551
Side View
Table 58.0%Crown 32.5°Girdle: MED-STKPavilion 41°Culet: NoneDepth 59.7%

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: Nov 6
Current: $1,333 AUD|Low: $1,287 AUD|High: $3,351 AUD|Avg: $1,928 AUD|-3.3%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
November 6, 2026
Retailer 1$1,333 AUD
Retailer 6$1,353 AUD
Retailer 4$1,657 AUD
Retailer 7$1,668 AUD
Retailer 9$1,831 AUD
Retailer 8$1,878 AUD
Retailer 2$2,021 AUD
Retailer 5$2,336 AUD
Retailer 3$3,303 AUD

45 data points across 9 retailers

20 retailers$1,333 AUD to $3,848 AUD

A
Cheapest Retailer
-
$1,333 AUD
A
Retailer 2
-
$1,353 AUD
View
A
Retailer 3
-
$1,657 AUD
View
A
Retailer 4
-
$1,668 AUD
View
Final sale: no returns
B+
Retailer 5
-
$1,733 AUD
View
Retailer 6
-
$1,808 AUD
View
Price last confirmed 53 days ago
Retailer 7
-
$1,808 AUD
View
Price last confirmed 9 days ago
Retailer 8
-
$1,808 AUD
View
Price last confirmed 8 days ago
B+
Retailer 9
-
$1,831 AUD
View
B+
Retailer 10
-
$1,870 AUD
View
Retailer 11
-
$1,878 AUD
View
Price last confirmed 8 days ago
B+
Retailer 12
-
$2,000 AUD
View
B+
Retailer 13
-
$2,021 AUD
View
Retailer 14
-
$2,087 AUD
View
Price last confirmed 53 days ago
Retailer 15
-
$2,087 AUD
View
Price last confirmed 10 days ago
B+
Retailer 16
-
$2,336 AUD
View
B
Retailer 17
-
$3,303 AUD
View
B
Retailer 18
-
$3,848 AUD
View
Retailer 19
-
$4,411 AUD
View
Price last confirmed 53 days ago
Most Expensive
NZ Jewellers
7b604dec-001f-4e75-bd3e-c3a4bc159645 · Oct 30
$4,411 AUD
$3,088 USD
View
Price last confirmed 7 days ago
19 more retailers have this diamond
Prices start from $1,333 AUDSave up to $2,516 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
$1,333 AUD