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0.53ct K SI1 Round Natural Diamond

EX • K/SI1 • IGI 839661124

Shape and cutting style on the report: Round brilliant

Certificate IGI 839661124

Diamond specifications and retailer prices

From $380 USD
As of November 6, 2026
Save $784 USD (67%) vs most expensive(unlock to see where)
9 retailers carry this diamond
Most expensive: $1,164 USD at NZ Jewellers · As of November 4, 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 K colour (faint-tinted) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI 839661124. Listed at 9 retailers as of November 4, 2026, with prices from $380 to $1,164, a $784 spread on the same certified stone. NZ Jewellers lists it at $1,164. 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
K
Color
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.4°
Pavilion angle40.8°
OriginNatural
Grading LabIGI
CertificateIGI 839661124
Dimensions5.20 × 5.25 × 3.18 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizeNone
Cert comments
IDEAL CUT ROUND BRILLIANT
Top View
5.20 mm5.25 mm0.53 ctK / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI 839661124
Side View
Table 57.0%Crown 33.4°Girdle: MediumPavilion 40.8°Culet: NoneDepth 60.7%

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: $1,164 USD|Low: $380 USD|High: $1,164 USD|Avg: $550 USD
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
November 6, 2026
Retailer 6$380 USD
Retailer 2$390 USD
Retailer 3$397 USD
Retailer 4$419 USD
Retailer 9$434 USD
Retailer 5$471 USD
Retailer 8$572 USD
Retailer 7$701 USD
NZ Jewellers$1,164 USD

17 data points across 9 retailers

9 retailers$380 USD to $1,164 USD

A
Cheapest Retailer
-
$380 USD
A
Retailer 2
-
$390 USD
View
A
Retailer 3
-
$397 USD
View
B+
Retailer 4
-
$419 USD
View
A
Retailer 5
-
$434 USD
View
B+
Retailer 6
-
$471 USD
View
B+
Retailer 7
-
$572 USD
View
B+
Retailer 8
-
$701 USD
View
Most Expensive
B
NZ Jewellers
f1919088-4781-4111-96c9-aeb1edc503f5 · Nov 4
$1,164 USD
View
8 more retailers have this diamond
Prices start from $380 USDSave up to $784 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
$380 USD