Round|Natural|IGI

0.52ct J SI2 Round Natural Diamond

EX • J/SI2 • IGI 800673096

Shape and cutting style on the report: Round brilliant

Certificate IGI 800673096

Diamond specifications and retailer prices

From $401 USD
£316 GBP
As of October 24, 2026
Save $221 USD (36%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: $1,404 USD at NZ Jewellers · As of October 23, 2026
View at NZ Jewellers

About this 0.52ct natural round diamond

This 0.52ct 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 IGI 800673096. Listed at 11 retailers as of October 24, 2026, with a 55% 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

0.52
Carat
J
Color
SI2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.7°
Pavilion angle40.7°
OriginNatural
Grading LabIGI
CertificateIGI 800673096
Dimensions5.14 × 5.17 × 3.19 mm
L/W Ratio1.01
Girdle conditionFaceted
Cert comments
IDEAL CUT ROUND BRILLIANT
Top View
5.14 mm5.17 mm0.52 ctJ / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI 800673096
Side View
Table 56.0%Crown 35.7°Girdle: THN-MEDPavilion 40.7°Culet: NoneDepth 62.1%

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: Oct 24
Current: $1,404 USD|Low: $366 USD|High: $1,404 USD|Avg: $699 USD|+15.7%
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
October 24, 2026
Retailer 7$366 USD
Retailer 3$401 USD
Retailer 5$517 USD
Retailer 6$531 USD
Retailer 2$623 USD
Retailer 4$851 USD
NZ Jewellers$1,404 USD

35 data points across 7 retailers

11 retailers$401 USD to $623 USD

Retailer 1
-
$366 USD
Price last confirmed 21 days ago
Retailer 2
-
$366 USD
View
Price last confirmed 8 days ago
A
Retailer 3
-
$401 USD
£316 GBP
View
Retailer 4
-
$409 USD
View
Price last confirmed 8 days ago
Retailer 5
-
$433 USD
View
Price last confirmed 31 days ago
B+
Retailer 6
-
$517 USD
View
B+
Retailer 7
-
$531 USD
View
B+
Retailer 8
-
$623 USD
€593 EUR
View
Retailer 9
-
$851 USD
£670 GBP
View
Price last confirmed 9 days ago
Retailer 10
-
$1,404 USD
View
Price last confirmed 24 days ago
Most Expensive
NZ Jewellers
63e01a88-32e2-495a-a664-38ab84bc6b17 · Oct 23
$1,404 USD
View
Price last confirmed 7 days ago
10 more retailers have this diamond
Prices start from $401 USDSave up to $221 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
0.52ct Round
$401 USD