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Round|Natural|GIA

0.73ct H SI1 Round Natural Diamond

EX • H/SI1 • GIA 1558976418

Certificate GIA 1558976418

Diamond specifications and retailer prices

From $1,607 AUD
As of November 6, 2026
Save $1,615 AUD (50%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: $4,020 AUD at NZ Jewellers · As of October 20, 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 H colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by GIA 1558976418. Listed at 19 retailers as of November 2, 2026, with a 101% 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
H
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
Crown angle35.5°
Pavilion angle41.2°
OriginNatural
Grading LabGIA
CertificateGIA 1558976418
Dimensions5.74 × 5.71 × 3.58 mm
L/W Ratio1.01
Girdle conditionFaceted
Top View
5.74 mm5.71 mm0.73 ctH / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateGIA 1558976418
Side View
Table 58.0%Crown 35.5°Girdle: Slightly ThickPavilion 41.2°Culet: NoneDepth 62.6%

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 6
Current: $4,020 AUD|Low: $1,211 AUD|High: $4,109 AUD|Avg: $1,981 AUD|-2.2%
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
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Retailer 16
Retailer 17
Retailer 18
Retailer 19
Retailer 20
Retailer 21
Retailer 22
Retailer 23
Retailer 24
Retailer 25
November 6, 2026
Retailer 16$1,211 AUD
Retailer 18$1,412 AUD
Retailer 3$1,509 AUD
Retailer 7$1,521 AUD
Retailer 15$1,567 AUD
Retailer 24$1,607 AUD
Retailer 17$1,623 AUD
Retailer 10$1,630 AUD
Retailer 11$1,690 AUD
Retailer 4$1,841 AUD
Retailer 9$1,856 AUD
Retailer 5$1,859 AUD
Retailer 12$1,911 AUD
Retailer 19$1,936 AUD
Retailer 21$1,936 AUD
Retailer 2$1,995 AUD
Retailer 20$2,008 AUD
Retailer 25$2,008 AUD
Retailer 6$2,088 AUD
Retailer 13$2,284 AUD
Retailer 8$2,439 AUD
Retailer 14$2,468 AUD
Retailer 22$2,890 AUD
Retailer 23$3,222 AUD
NZ Jewellers$4,020 AUD

24 data points across 25 retailers

19 retailers$1,607 AUD to $3,222 AUD

Retailer 1
-
$1,211 AUD
Price last confirmed 17 days ago
Retailer 2
-
$1,412 AUD
View
Price last confirmed 30 days ago
Retailer 3
-
$1,509 AUD
View
Price last confirmed 16 days ago
Retailer 4
-
$1,567 AUD
View
Price last confirmed 22 days ago
B+
Retailer 5
-
$1,607 AUD
View
Retailer 6
-
$1,630 AUD
View
Price last confirmed 17 days ago
Retailer 7
-
$1,690 AUD
View
Price last confirmed 16 days ago
B+
Retailer 8
-
$1,936 AUD
View
B+
Retailer 9
-
$1,936 AUD
View
B
Retailer 10
-
$1,995 AUD
View
B+
Retailer 11
-
$2,008 AUD
View
B+
Retailer 12
-
$2,008 AUD
View
Retailer 13
-
$2,221 AUD
View
Price last confirmed 33 days ago
B
Retailer 14
-
$2,284 AUD
View
Retailer 15
-
$2,439 AUD
View
Price last confirmed 18 days ago
Retailer 16
-
$2,468 AUD
View
Price last confirmed 20 days ago
B
Retailer 17
-
$2,890 AUD
View
B
Retailer 18
-
$3,222 AUD
View
Most Expensive
NZ Jewellers
68b2b340-1dcd-4958-8fcd-af06d410a0c6 · Oct 20
$4,020 AUD
$2,762 USD
View
Price last confirmed 17 days ago
18 more retailers have this diamond
Prices start from $1,607 AUDSave up to $1,615 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
$1,607 AUD