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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 $1,812 USD
As of November 6, 2026
Save $2,215 USD (55%) vs most expensive(unlock to see where)
4 retailers carry this diamond
Most expensive: $4,027 USD 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 $1,812 to $4,027, a $2,215 spread on the same certified stone. MOH London lists it at $4,027. 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
Color
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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Price History

Last verified: Nov 6
Current: $4,027 USD|Low: $1,812 USD|High: $4,087 USD|Avg: $2,884 USD|-0.3%
MOH London
Retailer 2
Retailer 3
Retailer 4
November 6, 2026
Retailer 2$1,812 USD
Retailer 4$2,308 USD
Retailer 3$2,786 USD
MOH London$4,027 USD

45 data points across 4 retailers

4 retailers$1,812 USD to $4,027 USD

A
Cheapest Retailer
-
$1,812 USD
A
Retailer 2
-
$2,308 USD
View
A
Retailer 3
-
$2,786 USD
View
Most Expensive
B+
MOH London
20195F563 · Nov 4
$4,027 USD
£3,171 GBP
View
3 more retailers have this diamond
Prices start from $1,812 USDSave up to $2,215 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
1.60ct Round
$1,812 USD