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Round|Natural|GIA

0.45ct J SI1 Round Natural Diamond

VG • J/SI1 • GIA 6452987118

Certificate GIA 6452987118

Diamond specifications and retailer prices

From $332 AUD
As of November 3, 2026
23 retailers carry this diamond
Most expensive: $1,959 AUD at NZ Jewellers · As of September 28, 2026
View at NZ Jewellers

About this 0.45ct natural round diamond

This 0.45ct natural round sits in the sub-half-carat band, graded J colour (near-colourless) and SI1 clarity (slightly-included), with a very-good cut grade and certified by GIA 6452987118. Listed at 23 retailers as of November 3, 2026. Cut grade matters more than carat or clarity for visible brilliance. If you can shift budget toward an Excellent or Ideal cut, do it before chasing higher colour or clarity.

The 4Cs

0.45
Carat
J
Colour
SI1
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishExcellent
SymmetryVery Good
FluorescenceFaint
Crown angle32.5°
Pavilion angle40.2°
OriginNatural
Grading LabGIA
CertificateGIA 6452987118
Dimensions4.97 × 4.90 × 2.95 mm
L/W Ratio1.01
Key to symbols
Cloud, Crystal, Twinning Wisp, Feather
Top View
4.97 mm4.90 mm0.45 ctJ / SI1
OriginNatural
CutVery Good
PolishExcellent
SymmetryVery Good
FluorescenceFaint
CertificateGIA 6452987118
Side View
Table 60.0%Crown 32.5°Girdle: THN-STKPavilion 40.2°Culet: NDepth 59.8%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Nov 3
Current: $1,784 AUD|Low: $287 AUD|High: $1,856 AUD|Avg: $624 AUD|-3.8%
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
Retailer 15
Retailer 16
Retailer 17
November 3, 2026
Retailer 15$288 AUD
Retailer 2$332 AUD
Retailer 13$399 AUD
Retailer 11$429 AUD
Retailer 9$432 AUD
Retailer 3$472 AUD
Retailer 4$473 AUD
Retailer 10$502 AUD
Retailer 5$530 AUD
Retailer 14$536 AUD
Retailer 8$584 AUD
Retailer 17$592 AUD
Retailer 6$610 AUD
Retailer 16$688 AUD
Retailer 7$728 AUD
Retailer 12$926 AUD
NZ Jewellers$1,784 AUD

19 data points across 17 retailers

23 retailers

Retailer 1
-
$288 AUD
Price last confirmed 9 days ago
A
Retailer 2
-
$332 AUD
View
Retailer 3
-
$354 AUD
View
Price last confirmed 7 days ago
Retailer 4
-
$399 AUD
View
Price last confirmed 9 days ago
Retailer 5
-
$429 AUD
View
Price last confirmed 8 days ago
Retailer 6
-
$432 AUD
View
Price last confirmed 10 days ago
Retailer 7
-
$472 AUD
View
Price last confirmed 7 days ago
Retailer 8
-
$473 AUD
View
Price last confirmed 8 days ago
Retailer 9
-
$482 AUD
View
Price last confirmed 38 days ago
Retailer 10
-
$502 AUD
View
Price last confirmed 8 days ago
Retailer 11
-
$509 AUD
View
Price last confirmed 10 days ago
Retailer 12
-
$530 AUD
View
Price last confirmed 10 days ago
Retailer 13
-
$536 AUD
View
Price last confirmed 9 days ago
Retailer 14
-
$582 AUD
View
Price last confirmed 38 days ago
Retailer 15
-
$584 AUD
View
Price last confirmed 11 days ago
Retailer 16
-
$592 AUD
View
Price last confirmed 8 days ago
Retailer 17
-
$610 AUD
View
Price last confirmed 12 days ago
Retailer 18
-
$687 AUD
View
Price last confirmed 38 days ago
Retailer 19
-
$688 AUD
View
Price last confirmed 9 days ago
Retailer 20
-
$728 AUD
View
Price last confirmed 8 days ago
Retailer 21
-
$926 AUD
View
Price last confirmed 8 days ago
Retailer 22
-
$1,784 AUD
View
Price last confirmed 11 days ago
Most Expensive
NZ Jewellers
941d0f50-5793-458f-9c25-2db11c427ef3 · Sep 28
$1,959 AUD
$1,346 USD
View
Price last confirmed 39 days ago
22 more retailers have this diamond
Prices start from $332 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
0.45ct Round
$332 AUD