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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 $411 NZD
As of November 3, 2026
23 retailers carry this diamond
Most expensive: $2,428 NZD 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

How it works →
A
Excellent
Excellent quality and great value
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 3
Current: $2,212 NZD|Low: $355 NZD|High: $2,300 NZD|Avg: $774 NZD|-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$357 NZD
Retailer 2$411 NZD
Retailer 13$494 NZD
Retailer 11$532 NZD
Retailer 9$536 NZD
Retailer 3$584 NZD
Retailer 4$586 NZD
Retailer 10$622 NZD
Retailer 5$657 NZD
Retailer 14$664 NZD
Retailer 8$723 NZD
Retailer 17$734 NZD
Retailer 6$756 NZD
Retailer 16$853 NZD
Retailer 7$902 NZD
Retailer 12$1,147 NZD
NZ Jewellers$2,212 NZD

19 data points across 17 retailers

23 retailers

Retailer 1
-
$357 NZD
Price last confirmed 9 days ago
A
Retailer 2
-
$411 NZD
View
Retailer 3
-
$438 NZD
View
Price last confirmed 7 days ago
Retailer 4
-
$494 NZD
View
Price last confirmed 9 days ago
Retailer 5
-
$532 NZD
View
Price last confirmed 8 days ago
Retailer 6
-
$536 NZD
View
Price last confirmed 10 days ago
Retailer 7
-
$584 NZD
View
Price last confirmed 7 days ago
Retailer 8
-
$586 NZD
View
Price last confirmed 8 days ago
Retailer 9
-
$597 NZD
View
Price last confirmed 38 days ago
Retailer 10
-
$622 NZD
View
Price last confirmed 8 days ago
Retailer 11
-
$631 NZD
View
Price last confirmed 10 days ago
Retailer 12
-
$657 NZD
View
Price last confirmed 10 days ago
Retailer 13
-
$664 NZD
View
Price last confirmed 9 days ago
Retailer 14
-
$722 NZD
View
Price last confirmed 38 days ago
Retailer 15
-
$723 NZD
View
Price last confirmed 11 days ago
Retailer 16
-
$734 NZD
View
Price last confirmed 8 days ago
Retailer 17
-
$756 NZD
View
Price last confirmed 12 days ago
Retailer 18
-
$851 NZD
View
Price last confirmed 38 days ago
Retailer 19
-
$853 NZD
View
Price last confirmed 9 days ago
Retailer 20
-
$902 NZD
View
Price last confirmed 8 days ago
Retailer 21
-
$1,147 NZD
View
Price last confirmed 8 days ago
Retailer 22
-
$2,212 NZD
View
Price last confirmed 11 days ago
Most Expensive
NZ Jewellers
941d0f50-5793-458f-9c25-2db11c427ef3 · Sep 28
$2,428 NZD
$1,346 USD
View
Price last confirmed 39 days ago
22 more retailers have this diamond
Prices start from $411 NZD

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
$411 NZD