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Round|Natural|IGI

1.20ct M SI1 Round Natural Diamond

EX • M/SI1 • IGI 425073127

Shape and cutting style on the report: Round brilliant

Certificate IGI 425073127

Diamond specifications and retailer prices

From $1,109 SGD
As of November 6, 2026
Save $2,344 SGD (68%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: $3,453 SGD at NZ Jewellers · As of November 5, 2026
View at NZ Jewellers

About this 1.2ct natural round diamond

This 1.2ct natural round sits in the classic one-carat band, graded M colour (faint-tinted) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI 425073127. Listed at 14 retailers as of November 5, 2026, with prices from $1,109 to $3,453, a $2,344 spread on the same certified stone. NZ Jewellers lists it at $3,453. 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

1.20
Carat
M
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.7°
Pavilion angle40°
OriginNatural
Grading LabIGI
CertificateIGI 425073127
Dimensions6.76 × 6.80 × 4.19 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizePointed
Cert comments
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Top View
6.76 mm6.80 mm1.20 ctM / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI 425073127
Side View
Table 54.5%Crown 35.7°Girdle: MED-STKPavilion 40°Culet: NoneDepth 61.8%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 6
Current: $3,453 SGD|Low: $1,109 SGD|High: $3,453 SGD|Avg: $1,694 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
Retailer 14
November 6, 2026
Retailer 2$1,109 SGD
Retailer 3$1,355 SGD
Retailer 7$1,391 SGD
Retailer 5$1,415 SGD
Retailer 12$1,415 SGD
Retailer 6$1,470 SGD
Retailer 4$1,586 SGD
Retailer 13$1,590 SGD
Retailer 11$1,634 SGD
Retailer 10$1,644 SGD
Retailer 9$1,727 SGD
Retailer 8$1,922 SGD
Retailer 14$2,120 SGD
NZ Jewellers$3,453 SGD

38 data points across 14 retailers

14 retailers$1,109 SGD to $3,453 SGD

A
Cheapest Retailer
-
$1,109 SGD
B+
Retailer 2
-
$1,355 SGD
View
A
Retailer 3
-
$1,391 SGD
View
Retailer 4
-
$1,415 SGD
View
Price last confirmed 12 days ago
B+
Retailer 5
-
$1,415 SGD
View
B+
Retailer 6
-
$1,470 SGD
View
B+
Retailer 7
-
$1,586 SGD
View
B+
Retailer 8
-
$1,590 SGD
View
B+
Retailer 9
-
$1,634 SGD
View
B+
Retailer 10
-
$1,644 SGD
View
B+
Retailer 11
-
$1,727 SGD
View
B+
Retailer 12
-
$1,922 SGD
View
B+
Retailer 13
-
$2,120 SGD
View
Most Expensive
B
NZ Jewellers
8721241d-33f3-4f5b-921a-9a0e1ce9782c · Nov 5
$3,453 SGD
$2,703 USD
View
13 more retailers have this diamond
Prices start from $1,109 SGDSave up to $2,344 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
1.20ct Round
$1,109 SGD