Round|Natural|GIA

0.73ct J SI2 Round Natural Diamond

EX • J/SI2 • GIA 6455188766

Certificate GIA 6455188766

Diamond specifications and retailer prices

From $1,256 AUD
$882 USD
As of October 28, 2026
Save $1,239 AUD (50%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: $4,268 AUD at NZ Jewellers · As of October 27, 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 J colour (near-colourless) and SI2 clarity (slightly-included), with a top-tier cut grade and certified by GIA 6455188766. Listed at 19 retailers as of October 26, 2026, with a 99% 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
J
Colour
SI2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
Crown angle35°
Pavilion angle41°
OriginNatural
Grading LabGIA
CertificateGIA 6455188766
Dimensions5.77 × 5.74 × 3.57 mm
L/W Ratio1.01
Top View
5.77 mm5.74 mm0.73 ctJ / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateGIA 6455188766
Side View
Table 57.0%Crown 35°Girdle: THN-STKPavilion 41°Culet: NoneDepth 62.1%

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: Oct 28
Current: $4,268 AUD|Low: $884 AUD|High: $4,268 AUD|Avg: $1,578 AUD
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
October 28, 2026
Retailer 6$884 AUD
Retailer 14$1,021 AUD
Retailer 5$1,112 AUD
Retailer 10$1,256 AUD
Retailer 3$1,257 AUD
Retailer 12$1,374 AUD
Retailer 7$1,411 AUD
Retailer 13$1,551 AUD
Retailer 11$1,596 AUD
Retailer 4$1,620 AUD
Retailer 9$1,681 AUD
Retailer 2$1,851 AUD
Retailer 8$2,495 AUD
NZ Jewellers$4,268 AUD

40 data points across 14 retailers

19 retailers$1,256 AUD to $2,495 AUD

Retailer 1
-
$1,112 AUD
$781 USD
Price last confirmed 76 days ago
B+
Retailer 2
-
$1,256 AUD
$882 USD
View
Final sale: no returns
Retailer 3
-
$1,284 AUD
$902 USD
View
Price last confirmed 57 days ago
B+
Retailer 4
-
$1,291 AUD
View
Retailer 5
-
$1,361 AUD
$956 USD
View
Price last confirmed 32 days ago
Retailer 6
-
$1,361 AUD
$956 USD
View
Price last confirmed 30 days ago
B+
Retailer 7
-
$1,374 AUD
$965 USD
View
B+
Retailer 8
-
$1,411 AUD
£780 GBP
View
B+
Retailer 9
-
$1,551 AUD
$1,089 USD
View
Retailer 10
-
$1,570 AUD
$1,103 USD
View
Price last confirmed 45 days ago
Retailer 11
-
$1,570 AUD
$1,103 USD
View
Price last confirmed 32 days ago
B
Retailer 12
-
$1,596 AUD
$1,121 USD
View
B
Retailer 13
-
$1,681 AUD
£930 GBP
View
B
Retailer 14
-
$1,851 AUD
€1,238 EUR
View
B
Retailer 15
-
$2,495 AUD
£1,380 GBP
View
Retailer 16
-
$3,491 AUD
$2,452 USD
View
Price last confirmed 59 days ago
Retailer 17
-
$4,268 AUD
$2,998 USD
View
Price under review
Retailer 18
-
$4,268 AUD
$2,998 USD
View
Price under review
Most Expensive
NZ Jewellers
929be0ee-14ff-4f89-a25b-7a3d322038c3 · Oct 27
$4,268 AUD
$2,998 USD
View
Price under review
18 more retailers have this diamond
Prices start from $1,256 AUDSave up to $1,239 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
$1,256 AUD