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1.60ct K SI2 Round Natural Diamond

EX • K/SI2 • IGI 667434109

Shape and cutting style on the report: Round brilliant

Certificate IGI 667434109

Diamond specifications and retailer prices

From $3,223 NZD
As of November 6, 2026
Save $3,941 NZD (55%) vs most expensive(unlock to see where)
4 retailers carry this diamond
Most expensive: $7,164 NZD at MOH London · As of November 4, 2026
View at MOH London

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 667434109. Listed at 4 retailers as of November 4, 2026, with prices from $3,223 to $7,164, a $3,941 spread on the same certified stone. MOH London lists it at $7,164. 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

1.60
Carat
K
Colour
SI2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle31.6°
Pavilion angle41.5°
OriginNatural
Grading LabIGI
CertificateIGI 667434109
Dimensions7.60 × 7.63 × 4.57 mm
L/W Ratio1.00
Culet sizePointed
Top View
7.60 mm7.63 mm1.60 ctK / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI 667434109
Side View
Table 60.0%Crown 31.6°Girdle: MediumPavilion 41.5°Culet: NoneDepth 60.1%

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: $7,164 NZD|Low: $3,223 NZD|High: $7,270 NZD|Avg: $5,130 NZD|-0.3%
MOH London
Retailer 2
Retailer 3
Retailer 4
November 6, 2026
Retailer 2$3,223 NZD
Retailer 4$4,106 NZD
Retailer 3$4,956 NZD
MOH London$7,164 NZD

45 data points across 4 retailers

4 retailers$3,223 NZD to $7,164 NZD

A
Cheapest Retailer
-
$3,223 NZD
A
Retailer 2
-
$4,106 NZD
View
A
Retailer 3
-
$4,956 NZD
View
Most Expensive
B+
MOH London
20195F563 · Nov 4
$7,164 NZD
£3,171 GBP
View
3 more retailers have this diamond
Prices start from $3,223 NZDSave up to $3,941 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
$3,223 NZD