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 $1,911 USD
As of November 6, 2026
Save $1,836 USD (49%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: $4,737 USD 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
Color
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
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 6
Current: $1,911 USD|Low: $1,909 USD|High: $3,803 USD|Avg: $2,397 USD|-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$1,911 USD
Retailer 2$1,937 USD
Retailer 8$1,995 USD
Retailer 9$2,102 USD
Retailer 10$2,165 USD
Retailer 6$2,357 USD
Retailer 3$2,463 USD
Retailer 5$2,618 USD
Retailer 4$2,717 USD
Retailer 7$3,747 USD

34 data points across 10 retailers

14 retailers$1,911 USD to $3,747 USD

A
Cheapest Retailer
-
$1,911 USD
A
Retailer 2
-
$1,937 USD
View
A
Retailer 3
-
$1,995 USD
View
A
Retailer 4
-
$2,102 USD
View
Retailer 5
-
$2,145 USD
View
Price last confirmed 30 days ago
A
Retailer 6
-
$2,165 USD
View
A
Retailer 7
-
$2,357 USD
View
Retailer 8
-
$2,370 USD
View
Price last confirmed 38 days ago
A
Retailer 9
-
$2,463 USD
View
Retailer 10
-
$2,475 USD
View
Price last confirmed 30 days ago
A
Retailer 11
-
$2,618 USD
View
A
Retailer 12
-
$2,717 USD
View
B
Retailer 13
-
$3,747 USD
View
Most Expensive
NZ Jewellers
cc7705a2-a196-408d-8802-f0c4b19ed7da · Sep 28
$4,737 USD
View
Price last confirmed 39 days ago
13 more retailers have this diamond
Prices start from $1,911 USDSave up to $1,836 USD

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
$1,911 USD