Round|Natural|GIA

0.53ct I SI2 Round Natural Diamond

EX • I/SI2 • GIA 5493426353

Certificate GIA 5493426353

Diamond specifications and retailer prices

From €523 EUR
As of November 4, 2026
Save €923 EUR (64%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: €1,962 EUR at NZ Jewellers · As of October 27, 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 I colour (near-colourless) and SI2 clarity (slightly-included), with a top-tier cut grade and certified by GIA 5493426353. Listed at 10 retailers as of November 2, 2026, with a 176% 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
I
Colour
SI2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.5°
Pavilion angle41.4°
OriginNatural
Grading LabGIA
CertificateGIA 5493426353
Dimensions5.17 × 5.15 × 3.25 mm
L/W Ratio1.00
Star length50%
Lower girdle80%
Top View
5.17 mm5.15 mm0.53 ctI / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 5493426353
Side View
Table 57.0%Crown 34.5°Girdle: MED-STKPavilion 41.4°Culet: NoneDepth 62.9%

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 4
Current: €1,962 EUR|Low: €436 EUR|High: €1,962 EUR|Avg: €853 EUR
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
November 6, 2026
Retailer 8€523 EUR
Retailer 6€564 EUR
Retailer 3€567 EUR
Retailer 9€611 EUR
Retailer 11€611 EUR
Retailer 10€654 EUR
Retailer 12€700 EUR
Retailer 2€761 EUR
Retailer 5€882 EUR
Retailer 4€941 EUR
Retailer 7€1,446 EUR
NZ Jewellers€1,962 EUR

42 data points across 12 retailers

10 retailers€523 EUR to €1,446 EUR

A
Cheapest Retailer
-
€523 EUR
Final sale: no returns
A
Retailer 2
-
€564 EUR
View
A
Retailer 3
-
€590 EUR
View
Retailer 4
-
€611 EUR
View
Price last confirmed 8 days ago
A
Retailer 5
-
€611 EUR
View
Retailer 6
-
€654 EUR
View
Price last confirmed 10 days ago
B+
Retailer 7
-
€761 EUR
View
B+
Retailer 8
-
€882 EUR
View
B
Retailer 9
-
€1,446 EUR
View
Most Expensive
NZ Jewellers
cafe6a60-ad8a-4dd9-a063-d242175ebeae · Oct 27
€1,962 EUR
$2,191 USD
View
Price last confirmed 10 days ago
9 more retailers have this diamond
Prices start from €523 EURSave up to €923 EUR

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
€523 EUR