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0.61ct K SI1 Round Natural Diamond

EX • K/SI1 • IGI 815656688

Shape and cutting style on the report: Round brilliant

Certificate IGI 815656688

Diamond specifications and retailer prices

From $370 USD
As of November 4, 2026
Save $1,187 USD (76%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: $1,557 USD at NZ Jewellers · As of November 4, 2026
View at NZ Jewellers

About this 0.61ct natural round diamond

This 0.61ct 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 815656688. Listed at 16 retailers as of November 4, 2026, with prices from $370 to $1,557, a $1,187 spread on the same certified stone. NZ Jewellers lists it at $1,557. 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

0.61
Carat
K
Color
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
Crown angle33.5°
Pavilion angle40.1°
OriginNatural
Grading LabIGI
CertificateIGI 815656688
Dimensions5.43 × 5.46 × 3.31 mm
L/W Ratio1.01
Girdle conditionFaceted
Top View
5.43 mm5.46 mm0.61 ctK / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateIGI 815656688
Side View
Table 57.0%Crown 33.5°Girdle: MED-STKPavilion 40.1°Culet: NoneDepth 60.8%

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 4
Current: $1,557 USD|Low: $370 USD|High: $1,589 USD|Avg: $612 USD|-2.0%
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
Retailer 15
Retailer 16
November 6, 2026
Retailer 4$370 USD
Retailer 12$371 USD
Retailer 13$405 USD
Retailer 3$437 USD
Retailer 8$443 USD
Retailer 10$468 USD
Retailer 9$509 USD
Retailer 14$520 USD
Retailer 2$521 USD
Retailer 7$572 USD
Retailer 16$609 USD
Retailer 5$620 USD
Retailer 15$628 USD
Retailer 11$652 USD
Retailer 6$944 USD
NZ Jewellers$1,557 USD

16 data points across 16 retailers

16 retailers$370 USD to $1,557 USD

A
Cheapest Retailer
-
$370 USD
A
Retailer 2
-
$371 USD
View
A
Retailer 3
-
$405 USD
View
A
Retailer 4
-
$437 USD
View
Retailer 5
-
$443 USD
View
Price last confirmed 8 days ago
A
Retailer 6
-
$468 USD
View
B+
Retailer 7
-
$509 USD
View
A
Retailer 8
-
$520 USD
View
A
Retailer 9
-
$521 USD
View
A
Retailer 10
-
$572 USD
View
B+
Retailer 11
-
$609 USD
View
B+
Retailer 12
-
$620 USD
View
B+
Retailer 13
-
$628 USD
View
B+
Retailer 14
-
$652 USD
View
B
Retailer 15
-
$944 USD
View
Most Expensive
B
NZ Jewellers
accb2352-1995-4bcf-b280-309c6701135f · Nov 4
$1,557 USD
View
15 more retailers have this diamond
Prices start from $370 USDSave up to $1,187 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
0.61ct Round
$370 USD