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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 $2,441 SGD
As of November 6, 2026
Save $2,345 SGD (49%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: $6,051 SGD 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
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 6
Current: $2,441 SGD|Low: $2,438 SGD|High: $4,858 SGD|Avg: $3,062 SGD|-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$2,441 SGD
Retailer 2$2,474 SGD
Retailer 8$2,548 SGD
Retailer 9$2,685 SGD
Retailer 10$2,765 SGD
Retailer 6$3,011 SGD
Retailer 3$3,146 SGD
Retailer 5$3,344 SGD
Retailer 4$3,470 SGD
Retailer 7$4,786 SGD

34 data points across 10 retailers

14 retailers$2,441 SGD to $4,786 SGD

A
Cheapest Retailer
-
$2,441 SGD
A
Retailer 2
-
$2,474 SGD
View
A
Retailer 3
-
$2,548 SGD
View
A
Retailer 4
-
$2,685 SGD
View
Retailer 5
-
$2,740 SGD
View
Price last confirmed 30 days ago
A
Retailer 6
-
$2,765 SGD
View
A
Retailer 7
-
$3,011 SGD
View
Retailer 8
-
$3,027 SGD
View
Price last confirmed 38 days ago
A
Retailer 9
-
$3,146 SGD
View
Retailer 10
-
$3,161 SGD
View
Price last confirmed 30 days ago
A
Retailer 11
-
$3,344 SGD
View
A
Retailer 12
-
$3,470 SGD
View
B
Retailer 13
-
$4,786 SGD
View
Most Expensive
NZ Jewellers
cc7705a2-a196-408d-8802-f0c4b19ed7da · Sep 28
$6,051 SGD
$4,737 USD
View
Price last confirmed 39 days ago
13 more retailers have this diamond
Prices start from $2,441 SGDSave up to $2,345 SGD

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
$2,441 SGD