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0.52ct K SI1 Round Natural Diamond

EX • K/SI1 • IGI 578335651

Shape and cutting style on the report: Round brilliant

Certificate IGI 578335651

Diamond specifications and retailer prices

From $371 USD
As of November 6, 2026
Save $936 USD (72%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: $1,307 USD at NZ Jewellers · As of November 4, 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 K colour (faint-tinted) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI 578335651. Listed at 12 retailers as of November 4, 2026, with prices from $371 to $1,307, a $936 spread on the same certified stone. NZ Jewellers lists it at $1,307. 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
K
Color
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
Crown angle35.1°
Pavilion angle41.1°
OriginNatural
Grading LabIGI
CertificateIGI 578335651
Dimensions5.13 × 5.18 × 3.22 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizePointed
Cert comments
IDEAL CUT ROUND BRILLIANT
Top View
5.13 mm5.18 mm0.52 ctK / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateIGI 578335651
Side View
Table 57.0%Crown 35.1°GirdlePavilion 41.1°Culet: NoneDepth 62.5%

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: $1,307 USD|Low: $362 USD|High: $1,307 USD|Avg: $523 USD
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
November 6, 2026
Retailer 2$371 USD
Retailer 7$375 USD
Retailer 3$388 USD
Retailer 10$390 USD
Retailer 5$400 USD
Retailer 11$418 USD
Retailer 8$447 USD
Retailer 6$523 USD
Retailer 4$547 USD
Retailer 9$665 USD
NZ Jewellers$1,307 USD

35 data points across 11 retailers

12 retailers$371 USD to $1,307 USD

A
Cheapest Retailer
-
$371 USD
A
Retailer 2
-
$375 USD
View
A
Retailer 3
-
$388 USD
View
A
Retailer 4
-
$390 USD
View
B+
Retailer 5
-
$400 USD
View
B+
Retailer 6
-
$418 USD
View
A
Retailer 7
-
$447 USD
View
B+
Retailer 8
-
$523 USD
View
B+
Retailer 9
-
$547 USD
View
B+
Retailer 10
-
$586 USD
View
B+
Retailer 11
-
$665 USD
View
Most Expensive
C
NZ Jewellers
1d8f46cf-dd71-464d-8113-816e7a7612b8 · Nov 4
$1,307 USD
View
11 more retailers have this diamond
Prices start from $371 USDSave up to $936 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
$371 USD