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Round|Natural|IGI

1.00ct I IF Round Natural Diamond

EX • I/IF • IGI 839689459

Shape and cutting style on the report: Round brilliant

Certificate IGI 839689459

Diamond specifications and retailer prices

From $4,147 NZD
As of November 5, 2026
Save $5,593 NZD (57%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: $9,739 NZD at NZ Jewellers · As of November 5, 2026
View at NZ Jewellers

About this 1ct natural round diamond

This 1ct natural round sits in the classic one-carat band, graded I colour (near-colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI 839689459. Listed at 17 retailers as of November 5, 2026, with prices from $4,147 to $9,739, a $5,593 spread on the same certified stone. NZ Jewellers lists it at $9,739. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.00
Carat
I
Colour
IF
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle32.8°
Pavilion angle41.5°
OriginNatural
Grading LabIGI
CertificateIGI 839689459
Dimensions6.52 × 6.55 × 3.89 mm
L/W Ratio1.00
Girdle conditionFaceted
Top View
6.52 mm6.55 mm1.00 ctI / IF
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI 839689459
Side View
Table 62.0%Crown 32.8°Girdle: MED-STKPavilion 41.5°Culet: NoneDepth 59.5%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 5
Current: $9,739 NZD|Low: $4,147 NZD|High: $9,739 NZD|Avg: $5,494 NZD
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
Retailer 15
Retailer 16
Retailer 17
November 6, 2026
Retailer 10$4,147 NZD
Retailer 16$4,172 NZD
Retailer 17$4,300 NZD
Retailer 7$4,435 NZD
Retailer 4$4,598 NZD
Retailer 3$4,659 NZD
Retailer 8$4,659 NZD
Retailer 6$4,837 NZD
Retailer 9$4,904 NZD
Retailer 2$4,988 NZD
Retailer 15$5,376 NZD
Retailer 11$5,456 NZD
Retailer 12$5,685 NZD
Retailer 13$5,778 NZD
Retailer 5$6,722 NZD
Retailer 14$8,138 NZD
NZ Jewellers$9,739 NZD

17 data points across 17 retailers

17 retailers$4,147 NZD to $9,739 NZD

A
Cheapest Retailer
-
$4,147 NZD
A
Retailer 2
-
$4,172 NZD
View
A
Retailer 3
-
$4,300 NZD
View
Final sale: no returns
A
Retailer 4
-
$4,435 NZD
View
A
Retailer 5
-
$4,598 NZD
View
Retailer 6
-
$4,659 NZD
View
Price last confirmed 8 days ago
A
Retailer 7
-
$4,659 NZD
View
A
Retailer 8
-
$4,837 NZD
View
A
Retailer 9
-
$4,904 NZD
View
A
Retailer 10
-
$4,988 NZD
View
A
Retailer 11
-
$5,376 NZD
View
A
Retailer 12
-
$5,456 NZD
View
A
Retailer 13
-
$5,685 NZD
View
A
Retailer 14
-
$5,778 NZD
View
B+
Retailer 15
-
$6,722 NZD
View
B+
Retailer 16
-
$8,138 NZD
View
Most Expensive
B
NZ Jewellers
c49beb51-eaf6-4818-88cf-2fda20285fa5 · Nov 5
$9,739 NZD
$5,475 USD
View
16 more retailers have this diamond
Prices start from $4,147 NZDSave up to $5,593 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
1.00ct Round
$4,147 NZD