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Round|Natural|IGI

1.30ct M SI1 Round Natural Diamond

EX • M/SI1 • IGI 644482852

Shape and cutting style on the report: Round brilliant

Certificate IGI 644482852

Diamond specifications and retailer prices

From $2,031 SGD
As of November 1, 2026
Save $1,098 SGD (35%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: $5,634 SGD at NZ Jewellers · As of September 26, 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 M colour (faint-tinted) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI 644482852. Listed at 13 retailers as of November 1, 2026, with a 54% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. 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
M
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.2°
Pavilion angle40.6°
OriginNatural
Grading LabIGI
CertificateIGI 644482852
Dimensions7.00 × 7.08 × 4.27 mm
L/W Ratio1.01
Girdle conditionPARTLY FACETED
Culet sizePointed
Cert comments
IDEAL CUT ROUND BRILLIANT
Top View
7.00 mm7.08 mm1.30 ctM / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI 644482852
Side View
Table 60.0%Crown 36.2°Girdle: MED-STKPavilion 40.6°Culet: NoneDepth 60.6%

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 1
Current: $2,271 SGD|Low: $2,031 SGD|High: $3,755 SGD|Avg: $2,568 SGD|-1.4%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
November 6, 2026
Retailer 5$2,031 SGD
Retailer 7$2,104 SGD
Retailer 10$2,244 SGD
Retailer 1$2,271 SGD
Retailer 9$2,322 SGD
Retailer 6$2,382 SGD
Retailer 8$2,484 SGD
Retailer 4$2,819 SGD
Retailer 3$3,129 SGD
Retailer 2$3,755 SGD

40 data points across 10 retailers

13 retailers$2,031 SGD to $3,129 SGD

A
Cheapest Retailer
-
$2,031 SGD
A
Retailer 2
-
$2,104 SGD
View
A
Retailer 3
-
$2,271 SGD
View
Retailer 4
-
$2,309 SGD
View
Price last confirmed 29 days ago
Retailer 5
-
$2,309 SGD
View
Price last confirmed 21 days ago
B+
Retailer 6
-
$2,322 SGD
View
B+
Retailer 7
-
$2,382 SGD
View
Retailer 8
-
$2,417 SGD
View
Price last confirmed 22 days ago
B+
Retailer 9
-
$2,484 SGD
View
Retailer 10
-
$2,666 SGD
View
Price last confirmed 28 days ago
B+
Retailer 11
-
$2,819 SGD
View
B
Retailer 12
-
$3,129 SGD
View
Most Expensive
NZ Jewellers
a750e670-a474-4328-8b35-0c131e10cc91 · Sep 26
$5,634 SGD
$4,411 USD
View
Price last confirmed 40 days ago
12 more retailers have this diamond
Prices start from $2,031 SGDSave up to $1,098 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
$2,031 SGD