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Round|Natural|IGI

1.30ct J IF Round Natural Diamond

EX • J/IF • IGI 645414303

Shape and cutting style on the report: Round brilliant

Certificate IGI 645414303

Diamond specifications and retailer prices

From $3,813 SGD
As of November 4, 2026
Save $3,797 SGD (50%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: $7,610 SGD at NZ Jewellers · As of November 5, 2026
View at NZ Jewellers

About this 1.3ct natural round diamond

This 1.3ct natural round sits in the one-and-a-quarter to one-and-a-half carat band, graded J colour (near-colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI 645414303. Listed at 16 retailers as of November 4, 2026, with prices from $3,813 to $7,610, a $3,797 spread on the same certified stone. NZ Jewellers lists it at $7,610. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.30
Carat
J
Colour
IF
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.5°
Pavilion angle41.3°
OriginNatural
Grading LabIGI
CertificateIGI 645414303
Dimensions6.91 × 6.96 × 4.41 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizePointed
Top View
6.91 mm6.96 mm1.30 ctJ / IF
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI 645414303
Side View
Table 56.0%Crown 36.5°Girdle: MediumPavilion 41.3°Culet: NoneDepth 63.5%

Caratlytics Score

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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 4
Current: $4,547 SGD|Low: $3,736 SGD|High: $7,392 SGD|Avg: $5,034 SGD|-0.8%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
November 6, 2026
Retailer 5$3,813 SGD
Retailer 8$4,031 SGD
Retailer 9$4,536 SGD
Retailer 1$4,547 SGD
Retailer 4$4,878 SGD
Retailer 2$5,070 SGD
Retailer 7$5,152 SGD
Retailer 3$5,331 SGD
Retailer 6$7,304 SGD

40 data points across 9 retailers

16 retailers$3,813 SGD to $7,610 SGD

A
Cheapest Retailer
-
$3,813 SGD
A
Retailer 2
-
$3,878 SGD
View
A
Retailer 3
-
$4,031 SGD
View
Final sale: no returns
A
Retailer 4
-
$4,216 SGD
View
A
Retailer 5
-
$4,277 SGD
View
Retailer 6
-
$4,368 SGD
View
Price last confirmed 8 days ago
A
Retailer 7
-
$4,368 SGD
View
A
Retailer 8
-
$4,536 SGD
View
A
Retailer 9
-
$4,547 SGD
View
A
Retailer 10
-
$4,552 SGD
View
A
Retailer 11
-
$4,878 SGD
View
A
Retailer 12
-
$5,041 SGD
View
A
Retailer 13
-
$5,070 SGD
View
A
Retailer 14
-
$5,331 SGD
View
B
Retailer 15
-
$7,304 SGD
View
Most Expensive
B
NZ Jewellers
96faee36-dbd8-4084-9f26-cf2b0b786fe9 · Nov 5
$7,610 SGD
$5,938 USD
View
15 more retailers have this diamond
Prices start from $3,813 SGDSave up to $3,797 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
1.30ct Round
$3,813 SGD