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Round|Natural|GIA

0.45ct J SI2 Round Natural Diamond

EX • J/SI2 • GIA 1523229569

Certificate GIA 1523229569

Diamond specifications and retailer prices

From $347 NZD
As of November 6, 2026
Save $1,896 NZD (85%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: $2,378 NZD at NZ Jewellers · As of September 21, 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 SI2 clarity (slightly-included), with a top-tier cut grade and certified by GIA 1523229569. Listed at 18 retailers as of November 4, 2026, with a 547% 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

0.45
Carat
J
Colour
SI2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceStrong
Crown angle32°
Pavilion angle41°
OriginNatural
Grading LabGIA
CertificateGIA 1523229569
Dimensions4.99 × 4.96 × 3.01 mm
L/W Ratio1.01
Girdle conditionFaceted
Top View
4.99 mm4.96 mm0.45 ctJ / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceStrong
CertificateGIA 1523229569
Side View
Table 56.0%Crown 32°Girdle: MED-STKPavilion 41°Culet: NoneDepth 60.4%

Caratlytics Score

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

Price History

Last verified: Nov 6
Current: $2,243 NZD|Low: $347 NZD|High: $2,243 NZD|Avg: $780 NZD
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
November 6, 2026
Retailer 2$347 NZD
Retailer 4$489 NZD
Retailer 13$495 NZD
Retailer 7$528 NZD
Retailer 5$551 NZD
Retailer 11$587 NZD
Retailer 8$621 NZD
Retailer 6$651 NZD
Retailer 14$667 NZD
Retailer 10$688 NZD
Retailer 9$838 NZD
Retailer 12$1,142 NZD
Retailer 3$1,491 NZD
NZ Jewellers$2,243 NZD

38 data points across 14 retailers

18 retailers$347 NZD to $2,243 NZD

A
Cheapest Retailer
-
$347 NZD
A
Retailer 2
-
$432 NZD
View
A
Retailer 3
-
$489 NZD
View
A
Retailer 4
-
$495 NZD
View
Retailer 5
-
$525 NZD
View
Price last confirmed 50 days ago
A
Retailer 6
-
$528 NZD
View
A
Retailer 7
-
$551 NZD
View
A
Retailer 8
-
$587 NZD
View
A
Retailer 9
-
$621 NZD
View
A
Retailer 10
-
$651 NZD
View
A
Retailer 11
-
$667 NZD
View
A
Retailer 12
-
$688 NZD
View
Retailer 13
-
$706 NZD
View
Price last confirmed 45 days ago
B+
Retailer 14
-
$838 NZD
View
B+
Retailer 15
-
$1,142 NZD
View
B
Retailer 16
-
$1,491 NZD
View
C
Retailer 17
-
$2,243 NZD
View
Most Expensive
NZ Jewellers
00322607-f4cd-432d-aa3c-c48732bef202 · Sep 21
$2,378 NZD
$1,337 USD
View
Price last confirmed 46 days ago
17 more retailers have this diamond
Prices start from $347 NZDSave up to $1,896 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
$347 NZD