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Round|Natural|IGI

1.60ct K SI2 Round Natural Diamond

EX • K/SI2 • IGI 572330913

Shape and cutting style on the report: Round brilliant

Certificate IGI 572330913

Diamond specifications and retailer prices

From $4,091 NZD
As of November 6, 2026
Save $3,889 NZD (49%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: $9,866 NZD at NZ Jewellers · As of September 25, 2026
View at NZ Jewellers

About this 1.6ct natural round diamond

This 1.6ct natural round sits in the one-and-a-half to two carat band, graded K colour (faint-tinted) and SI2 clarity (slightly-included), with a top-tier cut grade and certified by IGI 572330913. Listed at 14 retailers as of November 4, 2026, with a 95% 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

1.60
Carat
K
Colour
SI2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.1°
Pavilion angle40.5°
OriginNatural
Grading LabIGI
CertificateIGI 572330913
Dimensions7.62 × 7.59 × 4.53 mm
L/W Ratio1.00
Girdle conditionFaceted
Culet sizeNone
Cert comments
IDEAL CUT ROUND BRILLIANT
Top View
7.62 mm7.59 mm1.60 ctK / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI 572330913
Side View
Table 59.0%Crown 34.1°Girdle: MediumPavilion 40.5°Culet: NoneDepth 59.5%

Caratlytics Score

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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: $6,029 NZD|Low: $4,091 NZD|High: $8,364 NZD|Avg: $5,260 NZD|-4.9%
Retailer 1
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 12$4,091 NZD
Retailer 7$4,154 NZD
Retailer 2$4,305 NZD
Retailer 9$4,568 NZD
Retailer 11$4,568 NZD
Retailer 10$4,778 NZD
Retailer 8$4,817 NZD
Retailer 3$5,271 NZD
Retailer 4$5,614 NZD
Retailer 5$5,666 NZD
Retailer 1$6,029 NZD
Retailer 6$7,980 NZD

30 data points across 12 retailers

14 retailers$4,091 NZD to $7,980 NZD

A
Cheapest Retailer
-
$4,091 NZD
A
Retailer 2
-
$4,154 NZD
View
A
Retailer 3
-
$4,305 NZD
View
A
Retailer 4
-
$4,568 NZD
View
Retailer 5
-
$4,568 NZD
View
Price last confirmed 8 days ago
Retailer 6
-
$4,719 NZD
View
Price last confirmed 42 days ago
A
Retailer 7
-
$4,778 NZD
View
A
Retailer 8
-
$4,817 NZD
View
A
Retailer 9
-
$5,271 NZD
View
Retailer 10
-
$5,445 NZD
View
Price last confirmed 45 days ago
A
Retailer 11
-
$5,666 NZD
View
A
Retailer 12
-
$6,029 NZD
View
B+
Retailer 13
-
$7,980 NZD
View
Most Expensive
NZ Jewellers
94bafca9-eb32-4367-82f1-4883e889e0c6 · Sep 25
$9,866 NZD
$5,546 USD
View
Price last confirmed 42 days ago
13 more retailers have this diamond
Prices start from $4,091 NZDSave up to $3,889 NZD

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
1.60ct Round
$4,091 NZD