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1.30ct K SI2 Round Natural Diamond

EX • K/SI2 • IGI 723579389

Shape and cutting style on the report: Round brilliant

Certificate IGI 723579389

Diamond specifications and retailer prices

From $1,487 SGD
As of November 5, 2026
Save $3,103 SGD (68%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: $4,589 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 K colour (faint-tinted) and SI2 clarity (slightly-included), with a top-tier cut grade and certified by IGI 723579389. Listed at 13 retailers as of November 5, 2026, with prices from $1,487 to $4,589, a $3,103 spread on the same certified stone. NZ Jewellers lists it at $4,589. SI-grade stones are eye-clean roughly 60 to 70% of the time at this carat range. Check the inclusion plot on the cert and ask the retailer for high-resolution video before buying.

The 4Cs

1.30
Carat
K
Colour
SI2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.2°
Pavilion angle40.6°
OriginNatural
Grading LabIGI
CertificateIGI 723579389
Dimensions7.01 × 6.95 × 4.34 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizePointed
Cert comments
IDEAL CUT ROUND BRILLIANT
Top View
7.01 mm6.95 mm1.30 ctK / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI 723579389
Side View
Table 56.0%Crown 36.2°Girdle: MED-STKPavilion 40.6°Culet: NoneDepth 62.1%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Nov 5
Current: $4,589 SGD|Low: $1,487 SGD|High: $4,589 SGD|Avg: $2,245 SGD
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
November 6, 2026
Retailer 7$1,487 SGD
Retailer 4$1,744 SGD
Retailer 10$1,744 SGD
Retailer 2$1,825 SGD
Retailer 3$1,881 SGD
Retailer 11$1,881 SGD
Retailer 5$1,956 SGD
Retailer 13$1,968 SGD
Retailer 12$2,171 SGD
Retailer 6$2,197 SGD
Retailer 9$2,556 SGD
Retailer 8$3,288 SGD
NZ Jewellers$4,589 SGD

41 data points across 13 retailers

13 retailers$1,487 SGD to $4,589 SGD

A
Cheapest Retailer
-
$1,487 SGD
A
Retailer 2
-
$1,744 SGD
View
A
Retailer 3
-
$1,744 SGD
View
A
Retailer 4
-
$1,825 SGD
View
Retailer 5
-
$1,881 SGD
View
Price last confirmed 8 days ago
A
Retailer 6
-
$1,881 SGD
View
A
Retailer 7
-
$1,956 SGD
View
A
Retailer 8
-
$1,968 SGD
View
B+
Retailer 9
-
$2,171 SGD
View
A
Retailer 10
-
$2,197 SGD
View
A
Retailer 11
-
$2,556 SGD
View
B+
Retailer 12
-
$3,288 SGD
View
Most Expensive
B
NZ Jewellers
8466b8dc-a2a6-4b65-bbc3-0a714fdfbfd0 · Nov 5
$4,589 SGD
$3,593 USD
View
12 more retailers have this diamond
Prices start from $1,487 SGDSave up to $3,103 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
$1,487 SGD