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Round|Natural|IGI

1.00ct J IF Round Natural Diamond

EX • J/IF • IGI 811689190

Shape and cutting style on the report: Round brilliant

Certificate IGI 811689190

Diamond specifications and retailer prices

From $3,081 NZD
As of November 6, 2026
Save $5,488 NZD (64%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: $8,569 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 J colour (near-colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI 811689190. Listed at 16 retailers as of November 5, 2026, with prices from $3,081 to $8,569, a $5,488 spread on the same certified stone. NZ Jewellers lists it at $8,569. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.00
Carat
J
Colour
IF
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
Crown angle35.2°
Pavilion angle41.6°
OriginNatural
Grading LabIGI
CertificateIGI 811689190
Dimensions6.28 × 6.37 × 4.01 mm
L/W Ratio1.01
Girdle conditionFaceted
Top View
6.28 mm6.37 mm1.00 ctJ / IF
OriginNatural
CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateIGI 811689190
Side View
Table 59.0%Crown 35.2°Girdle: MED-STKPavilion 41.6°Culet: NoneDepth 63.4%

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 6
Current: $8,569 NZD|Low: $3,081 NZD|High: $8,569 NZD|Avg: $4,616 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
November 6, 2026
Retailer 2$3,081 NZD
Retailer 11$3,513 NZD
Retailer 14$3,620 NZD
Retailer 9$3,737 NZD
Retailer 4$3,782 NZD
Retailer 3$4,088 NZD
Retailer 6$4,099 NZD
Retailer 5$4,287 NZD
Retailer 12$4,549 NZD
Retailer 10$4,698 NZD
Retailer 15$4,728 NZD
Retailer 8$4,819 NZD
Retailer 7$5,949 NZD
Retailer 13$7,160 NZD
NZ Jewellers$8,569 NZD

29 data points across 15 retailers

16 retailers$3,081 NZD to $8,569 NZD

A
Cheapest Retailer
-
$3,081 NZD
A
Retailer 2
-
$3,513 NZD
View
A
Retailer 3
-
$3,620 NZD
View
A
Retailer 4
-
$3,737 NZD
View
A
Retailer 5
-
$3,782 NZD
View
Final sale: no returns
A
Retailer 6
-
$4,088 NZD
View
A
Retailer 7
-
$4,099 NZD
View
A
Retailer 8
-
$4,148 NZD
View
A
Retailer 9
-
$4,287 NZD
View
A
Retailer 10
-
$4,549 NZD
View
A
Retailer 11
-
$4,698 NZD
View
B+
Retailer 12
-
$4,728 NZD
View
A
Retailer 13
-
$4,819 NZD
View
B+
Retailer 14
-
$5,949 NZD
View
B
Retailer 15
-
$7,160 NZD
View
Most Expensive
B
NZ Jewellers
ae31ed70-5468-4f17-8e74-24f0cd9eaf8c · Nov 5
$8,569 NZD
$4,817 USD
View
15 more retailers have this diamond
Prices start from $3,081 NZDSave up to $5,488 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
$3,081 NZD