Round|Natural|IGI

1.21ct M IF Round Natural Diamond

EX • M/IF • IGI 523201890

Shape and cutting style on the report: Round brilliant

Certificate IGI 523201890

Diamond specifications and retailer prices

From $1,915 SGD
As of November 6, 2026
Save $3,252 SGD (63%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: $5,167 SGD at NZ Jewellers · As of November 5, 2026
View at NZ Jewellers

About this 1.21ct natural round diamond

This 1.21ct natural round sits in the classic one-carat band, graded M colour (faint-tinted) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI 523201890. Listed at 11 retailers as of November 5, 2026, with prices from $1,915 to $5,167, a $3,252 spread on the same certified stone. NZ Jewellers lists it at $5,167. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.21
Carat
M
Colour
IF
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
Crown angle35.4°
Pavilion angle40.9°
OriginNatural
Grading LabIGI
CertificateIGI 523201890
Dimensions6.78 × 6.81 × 4.21 mm
L/W Ratio1.00
Girdle conditionFaceted
Culet sizePointed
Cert comments
IDEAL CUT ROUND BRILLIANT Minor graining
Top View
6.78 mm6.81 mm1.21 ctM / IF
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateIGI 523201890
Side View
Table 58.5%Crown 35.4°GirdlePavilion 40.9°Culet: NoneDepth 62.0%

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: $5,167 SGD|Low: $1,913 SGD|High: $5,167 SGD|Avg: $2,604 SGD
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
November 6, 2026
Retailer 2$1,915 SGD
Retailer 6$2,118 SGD
Retailer 10$2,118 SGD
Retailer 3$2,210 SGD
Retailer 8$2,216 SGD
Retailer 11$2,291 SGD
Retailer 9$2,445 SGD
Retailer 5$2,585 SGD
Retailer 4$2,871 SGD
Retailer 7$3,017 SGD
NZ Jewellers$5,167 SGD

37 data points across 11 retailers

11 retailers$1,915 SGD to $5,167 SGD

A
Cheapest Retailer
-
$1,915 SGD
A
Retailer 2
-
$1,963 SGD
View
A
Retailer 3
-
$2,118 SGD
View
A
Retailer 4
-
$2,210 SGD
View
A
Retailer 5
-
$2,216 SGD
View
A
Retailer 6
-
$2,291 SGD
View
A
Retailer 7
-
$2,445 SGD
View
A
Retailer 8
-
$2,585 SGD
View
A
Retailer 9
-
$2,871 SGD
View
B+
Retailer 10
-
$3,017 SGD
View
Most Expensive
B
NZ Jewellers
c7801b19-7fbf-4829-a097-3a750cf755c2 · Nov 5
$5,167 SGD
$4,045 USD
View
10 more retailers have this diamond
Prices start from $1,915 SGDSave up to $3,252 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
1.21ct Round
$1,915 SGD