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Round|Natural|GIA

0.43ct J SI1 Round Natural Diamond

EX • J/SI1 • GIA 6495597028

Certificate GIA 6495597028

Diamond specifications and retailer prices

From $675 AUD
$474 USD
As of October 31, 2026
Save $1,054 AUD (61%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: $2,335 AUD at NZ Jewellers · As of October 30, 2026
View at NZ Jewellers

About this 0.43ct natural round diamond

This 0.43ct natural round sits in the sub-half-carat band, graded J colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by GIA 6495597028. Listed at 13 retailers as of October 29, 2026, with a 156% 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

0.43
Carat
J
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
Crown angle36°
Pavilion angle40.8°
OriginNatural
Grading LabGIA
CertificateGIA 6495597028
Dimensions4.83 × 4.80 × 2.99 mm
L/W Ratio1.01
Star length50%
Lower girdle80%
Top View
4.83 mm4.80 mm0.43 ctJ / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateGIA 6495597028
Side View
Table 57.0%Crown 36°Girdle: MED-STKPavilion 40.8°Culet: NoneDepth 62.2%

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 31
Current: $921 AUD|Low: $683 AUD|High: $1,741 AUD|Avg: $1,066 AUD|+5.5%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
November 2, 2026
Retailer 2$683 AUD
Retailer 8$726 AUD
Retailer 9$828 AUD
Retailer 1$921 AUD
Retailer 6$968 AUD
Retailer 3$1,108 AUD
Retailer 7$1,120 AUD
Retailer 4$1,155 AUD
Retailer 5$1,728 AUD

44 data points across 9 retailers

13 retailers$675 AUD to $1,728 AUD

B+
Cheapest Retailer
-
$675 AUD
$474 USD
B+
Retailer 2
-
$683 AUD
$480 USD
View
B+
Retailer 3
-
$702 AUD
$493 USD
View
B+
Retailer 4
-
$726 AUD
$510 USD
View
B+
Retailer 5
-
$726 AUD
$510 USD
View
B+
Retailer 6
-
$779 AUD
$547 USD
View
B
Retailer 7
-
$921 AUD
£510 GBP
View
B
Retailer 8
-
$968 AUD
$680 USD
View
B
Retailer 9
-
$1,108 AUD
€741 EUR
View
Retailer 10
-
$1,120 AUD
View
Price last confirmed 28 days ago
B
Retailer 11
-
$1,155 AUD
ZAR 13,103 ZAR
View
B
Retailer 12
-
$1,728 AUD
£956 GBP
View
Most Expensive
NZ Jewellers
7fa591ac-16c5-4bd2-b8c6-3c4a127c4d08 · Oct 30
$2,335 AUD
$1,640 USD
View
Price under review
12 more retailers have this diamond
Prices start from $675 AUDSave up to $1,054 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+
0.43ct Round
$675 AUD