Round|Natural|IGI

1.66ct M I1 Round Natural Diamond

EX • M/I1 • IGI 425057781

Shape and cutting style on the report: Round brilliant

Certificate IGI 425057781

Diamond specifications and retailer prices

From $5,904 NZD
€3,117 EUR
As of November 5, 2026
1 retailer carries this diamond
Only listing: $5,904 NZD at Yorxs
Only one retailer lists this diamond right now, and it is shown above, so there is nothing to unlock. Similar diamonds are carried by several retailers.
View at Yorxs

About this 1.66ct natural round diamond

This 1.66ct natural round sits in the one-and-a-half to two carat band, graded M colour (faint-tinted) and I1 clarity (included), with a top-tier cut grade and certified by IGI 425057781. Listed at a single retailer as of November 5, 2026. If it later appears at another store, Carat Hunter will surface the price comparison automatically. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.66
Carat
M
Colour
I1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.5°
Pavilion angle41.1°
OriginNatural
Grading LabIGI
CertificateIGI 425057781
Dimensions7.50 × 7.52 × 4.72 mm
L/W Ratio1.00
Culet sizeNone
Cert comments
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Top View
7.50 mm7.52 mm1.66 ctM / I1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI 425057781
Side View
Table 55.5%Crown 33.5°Girdle: Slightly ThickPavilion 41.1°CuletDepth 62.8%

Caratlytics Score

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B
Good
Decent quality, room for better deals
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Price History

Last verified: Nov 5
Current: $5,904 NZD|Low: $5,836 NZD|High: $5,976 NZD|Avg: $5,913 NZD|+1.0%
November 5, 2026
Yorxs$5,904 NZD

20 data points across 1 retailer

1 retailer

B
Yorxs
596850450 · Nov 5
$5,904 NZD
€3,117 EUR
View

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B
1.66ct Round
$5,904 NZD