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Round|Natural|IGI

1.00ct J IF Round Natural Diamond

EX • J/IF • IGI 680566575

Shape and cutting style on the report: Round brilliant

Certificate IGI 680566575

Diamond specifications and retailer prices

From $3,399 NZD
As of November 6, 2026
Save $3,266 NZD (49%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: $8,427 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 J colour (near-colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI 680566575. Listed at 14 retailers as of November 4, 2026, with a 96% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. 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
SymmetryExcellent
FluorescenceNone
Crown angle35.8°
Pavilion angle40.6°
OriginNatural
Grading LabIGI
CertificateIGI 680566575
Dimensions6.41 × 6.38 × 3.99 mm
L/W Ratio1.00
Girdle conditionFaceted
Culet sizePointed
Cert comments
IDEAL CUT ROUND BRILLIANT
Top View
6.41 mm6.38 mm1.00 ctJ / IF
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI 680566575
Side View
Table 56.0%Crown 35.8°Girdle: MED-STKPavilion 40.6°Culet: NoneDepth 62.3%

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: $3,399 NZD|Low: $3,396 NZD|High: $6,765 NZD|Avg: $4,265 NZD|-7.0%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
November 6, 2026
Retailer 1$3,399 NZD
Retailer 2$3,446 NZD
Retailer 8$3,549 NZD
Retailer 9$3,739 NZD
Retailer 10$3,851 NZD
Retailer 6$4,193 NZD
Retailer 3$4,381 NZD
Retailer 5$4,657 NZD
Retailer 4$4,833 NZD
Retailer 7$6,666 NZD

34 data points across 10 retailers

14 retailers$3,399 NZD to $6,666 NZD

A
Cheapest Retailer
-
$3,399 NZD
A
Retailer 2
-
$3,446 NZD
View
A
Retailer 3
-
$3,549 NZD
View
A
Retailer 4
-
$3,739 NZD
View
Retailer 5
-
$3,816 NZD
View
Price last confirmed 30 days ago
A
Retailer 6
-
$3,851 NZD
View
A
Retailer 7
-
$4,193 NZD
View
Retailer 8
-
$4,216 NZD
View
Price last confirmed 38 days ago
A
Retailer 9
-
$4,381 NZD
View
Retailer 10
-
$4,403 NZD
View
Price last confirmed 30 days ago
A
Retailer 11
-
$4,657 NZD
View
A
Retailer 12
-
$4,833 NZD
View
B
Retailer 13
-
$6,666 NZD
View
Most Expensive
NZ Jewellers
cc7705a2-a196-408d-8802-f0c4b19ed7da · Sep 28
$8,427 NZD
$4,737 USD
View
Price last confirmed 39 days ago
13 more retailers have this diamond
Prices start from $3,399 NZDSave up to $3,266 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
$3,399 NZD