Round|Natural|GIA

0.53ct J SI2 Round Natural Diamond

EX • J/SI2 • GIA 1503730081

Certificate GIA 1503730081

Diamond specifications and retailer prices

From $377 USD
As of November 6, 2026
Save $1,242 USD (77%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: $1,630 USD 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
Color
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: $1,619 USD|Low: $377 USD|High: $1,625 USD|Avg: $686 USD|-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$377 USD
Retailer 12$479 USD
Retailer 6$489 USD
Retailer 4$516 USD
Retailer 9$520 USD
Retailer 11$556 USD
Retailer 13$556 USD
Retailer 5$596 USD
Retailer 7$637 USD
Retailer 14$642 USD
Retailer 3$647 USD
Retailer 8$695 USD
Retailer 10$1,191 USD
NZ Jewellers$1,619 USD

36 data points across 14 retailers

17 retailers$377 USD to $1,619 USD

A
Cheapest Retailer
-
$377 USD
A
Retailer 2
-
$479 USD
View
Final sale: no returns
A
Retailer 3
-
$489 USD
View
A
Retailer 4
-
$516 USD
View
Retailer 5
-
$520 USD
View
Price last confirmed 53 days ago
A
Retailer 6
-
$520 USD
View
B+
Retailer 7
-
$556 USD
View
Retailer 8
-
$556 USD
View
Price last confirmed 8 days ago
B+
Retailer 9
-
$596 USD
View
Retailer 10
-
$600 USD
View
Price last confirmed 53 days ago
B+
Retailer 11
-
$637 USD
View
B+
Retailer 12
-
$642 USD
View
B+
Retailer 13
-
$647 USD
View
B+
Retailer 14
-
$695 USD
View
B
Retailer 15
-
$1,191 USD
View
B
Retailer 16
-
$1,619 USD
View
Most Expensive
NZ Jewellers
04b950a9-cda4-405a-b4d7-e1cae3d12a90 · Sep 15
$1,630 USD
View
Price last confirmed 52 days ago
16 more retailers have this diamond
Prices start from $377 USDSave up to $1,242 USD

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
$377 USD