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Round|Natural|IGI

1.00ct M I1 Round Natural Diamond

EX • M/I1 • IGI 634413621

Shape and cutting style on the report: Round brilliant

Certificate IGI 634413621

Diamond specifications and retailer prices

From $1,788 NZD
As of November 5, 2026
5 retailers carry this diamond
Most expensive: $3,976 NZD at NZ Jewellers · As of September 28, 2026
View at NZ Jewellers

About this 1ct natural round diamond

This 1ct natural round sits in the classic one-carat band, graded M colour (faint-tinted) and I1 clarity (included), with a top-tier cut grade and certified by IGI 634413621. Listed at 5 retailers as of November 5, 2026. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.00
Carat
M
Colour
I1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.5°
Pavilion angle41°
OriginNatural
Grading LabIGI
CertificateIGI 634413621
Dimensions6.29 × 6.36 × 3.99 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizePointed
Top View
6.29 mm6.36 mm1.00 ctM / I1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI 634413621
Side View
Table 59.0%Crown 36.5°Girdle: Slightly ThickPavilion 41°Culet: NoneDepth 63.0%

Caratlytics Score

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B+
Very Good
Strong quality and value balance
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Price History

Last verified: Nov 5
Current: $1,788 NZD|Low: $1,268 NZD|High: $1,804 NZD|Avg: $1,526 NZD|+2.1%
Retailer 1
Retailer 2
Retailer 3
November 5, 2026
Retailer 2$1,268 NZD
Retailer 3$1,525 NZD
Retailer 1$1,788 NZD

20 data points across 3 retailers

5 retailers

Retailer 1
-
$1,268 NZD
Price last confirmed 29 days ago
Retailer 2
-
$1,316 NZD
View
Price last confirmed 38 days ago
Retailer 3
-
$1,462 NZD
View
Price last confirmed 38 days ago
B+
Retailer 4
-
$1,788 NZD
View
Most Expensive
NZ Jewellers
0f748773-30de-4de3-b4bb-31d80441c5db · Sep 28
$3,976 NZD
$2,235 USD
View
Price last confirmed 39 days ago
4 more retailers have this diamond
Prices start from $1,788 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.

B+
1.00ct Round
$1,788 NZD