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Round|Natural|GIA

0.53ct J SI2 Round Natural Diamond

EX • J/SI2 • GIA 1503730081

Certificate GIA 1503730081

Diamond specifications and retailer prices

From $671 NZD
As of November 6, 2026
Save $2,209 NZD (77%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: $2,900 NZD at NZ Jewellers · As of September 15, 2026
View at NZ Jewellers

About this 0.53ct natural round diamond

This 0.53ct natural round sits in the half to three-quarter carat band, graded J colour (near-colourless) and SI2 clarity (slightly-included), with a top-tier cut grade and certified by GIA 1503730081. Listed at 17 retailers as of November 4, 2026, with a 329% 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

0.53
Carat
J
Colour
SI2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35°
Pavilion angle41.4°
OriginNatural
Grading LabGIA
CertificateGIA 1503730081
Dimensions5.18 × 5.14 × 3.24 mm
L/W Ratio1.01
Star length50%
Lower girdle80%
Girdle conditionFaceted
Top View
5.18 mm5.14 mm0.53 ctJ / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 1503730081
Side View
Table 57.0%Crown 35°Girdle: MED-STKPavilion 41.4°Culet: NoneDepth 62.7%

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 6
Current: $2,880 NZD|Low: $671 NZD|High: $2,891 NZD|Avg: $1,220 NZD|-0.4%
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$671 NZD
Retailer 12$852 NZD
Retailer 6$870 NZD
Retailer 4$918 NZD
Retailer 9$925 NZD
Retailer 11$989 NZD
Retailer 13$989 NZD
Retailer 5$1,060 NZD
Retailer 7$1,133 NZD
Retailer 14$1,142 NZD
Retailer 3$1,151 NZD
Retailer 8$1,236 NZD
Retailer 10$2,119 NZD
NZ Jewellers$2,880 NZD

36 data points across 14 retailers

17 retailers$671 NZD to $2,880 NZD

A
Cheapest Retailer
-
$671 NZD
A
Retailer 2
-
$852 NZD
View
Final sale: no returns
A
Retailer 3
-
$870 NZD
View
A
Retailer 4
-
$918 NZD
View
Retailer 5
-
$925 NZD
View
Price last confirmed 53 days ago
A
Retailer 6
-
$925 NZD
View
B+
Retailer 7
-
$989 NZD
View
Retailer 8
-
$989 NZD
View
Price last confirmed 8 days ago
B+
Retailer 9
-
$1,060 NZD
View
Retailer 10
-
$1,067 NZD
View
Price last confirmed 53 days ago
B+
Retailer 11
-
$1,133 NZD
View
B+
Retailer 12
-
$1,142 NZD
View
B+
Retailer 13
-
$1,151 NZD
View
B+
Retailer 14
-
$1,236 NZD
View
B
Retailer 15
-
$2,119 NZD
View
B
Retailer 16
-
$2,880 NZD
View
Most Expensive
NZ Jewellers
04b950a9-cda4-405a-b4d7-e1cae3d12a90 · Sep 15
$2,900 NZD
$1,630 USD
View
Price last confirmed 52 days ago
16 more retailers have this diamond
Prices start from $671 NZDSave up to $2,209 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
0.53ct Round
$671 NZD