Round|Natural|GIA

0.53ct J SI1 Round Natural Diamond

EX • J/SI1 • GIA 1495668504

Certificate GIA 1495668504

Diamond specifications and retailer prices

From $443 USD
As of October 31, 2026
Save $1,219 USD (73%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: $1,840 USD at NZ Jewellers · As of September 24, 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 SI1 clarity (slightly-included), with a top-tier cut grade and certified by GIA 1495668504. Listed at 16 retailers as of October 27, 2026, with a 275% 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
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36°
Pavilion angle40.6°
OriginNatural
Grading LabGIA
CertificateGIA 1495668504
Dimensions5.16 × 5.14 × 3.21 mm
L/W Ratio1.00
Star length50%
Lower girdle80%
Key to symbols
Cloud, Twinning Wisp, Crystal
Top View
5.16 mm5.14 mm0.53 ctJ / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 1495668504
Side View
Table 57.0%Crown 36°Girdle: MED-STKPavilion 40.6°Culet: NoneDepth 62.4%

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: Oct 31
Current: $1,662 USD|Low: $369 USD|High: $1,840 USD|Avg: $696 USD|-9.7%
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 1, 2026
Retailer 11$443 USD
Retailer 4$449 USD
Retailer 3$530 USD
Retailer 6$531 USD
Retailer 14$545 USD
Retailer 8$571 USD
Retailer 10$571 USD
Retailer 2$656 USD
Retailer 13$661 USD
Retailer 12$730 USD
Retailer 5$769 USD
Retailer 7$818 USD
Retailer 9$1,226 USD
NZ Jewellers$1,662 USD

44 data points across 14 retailers

16 retailers$443 USD to $1,662 USD

A
Cheapest Retailer
-
$443 USD
Final sale: no returns
A
Retailer 2
-
$449 USD
View
Retailer 3
-
$480 USD
View
Price last confirmed 33 days ago
B+
Retailer 4
-
$530 USD
View
Retailer 5
-
$545 USD
View
Price last confirmed 10 days ago
Retailer 6
-
$554 USD
View
Price last confirmed 32 days ago
B+
Retailer 7
-
$571 USD
View
B+
Retailer 8
-
$571 USD
View
B+
Retailer 9
-
$656 USD
£517 GBP
View
B+
Retailer 10
-
$661 USD
View
B+
Retailer 11
-
$730 USD
View
Retailer 12
-
$769 USD
A$1,183 AUD
View
Price last confirmed 28 days ago
B
Retailer 13
-
$818 USD
ZAR 13,214 ZAR
View
B
Retailer 14
-
$1,226 USD
£965 GBP
View
B
Retailer 15
-
$1,662 USD
View
Most Expensive
NZ Jewellers
614362c8-7164-4bf9-8bf6-c938dd5b026b · Sep 24
$1,840 USD
View
Price last confirmed 37 days ago
15 more retailers have this diamond
Prices start from $443 USDSave up to $1,219 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
$443 USD