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1.21ct K VS1 Round Natural Diamond

EX • K/VS1 • IGI 830630947

Shape and cutting style on the report: Round brilliant

Certificate IGI 830630947

Diamond specifications and retailer prices

From $2,245 SGD
As of November 5, 2026
Save $3,501 SGD (61%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: $5,747 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 K colour (faint-tinted) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI 830630947. Listed at 12 retailers as of November 5, 2026, with prices from $2,245 to $5,747, a $3,501 spread on the same certified stone. NZ Jewellers lists it at $5,747. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.21
Carat
K
Colour
VS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.5°
Pavilion angle40.6°
OriginNatural
Grading LabIGI
CertificateIGI 830630947
Dimensions6.69 × 6.75 × 4.26 mm
L/W Ratio1.01
Girdle conditionFaceted
Top View
6.69 mm6.75 mm1.21 ctK / VS1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI 830630947
Side View
Table 57.0%Crown 36.5°Girdle: MED-STKPavilion 40.6°Culet: NoneDepth 63.4%

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 5
Current: $5,747 SGD|Low: $2,245 SGD|High: $5,747 SGD|Avg: $3,365 SGD
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
November 6, 2026
Retailer 4$2,245 SGD
Retailer 2$2,557 SGD
Retailer 6$2,749 SGD
Retailer 8$2,875 SGD
Retailer 10$3,172 SGD
Retailer 9$3,174 SGD
Retailer 5$3,354 SGD
Retailer 3$3,496 SGD
Retailer 7$4,803 SGD
NZ Jewellers$5,747 SGD

39 data points across 10 retailers

12 retailers$2,245 SGD to $5,747 SGD

A
Cheapest Retailer
-
$2,245 SGD
A
Retailer 2
-
$2,557 SGD
View
A
Retailer 3
-
$2,749 SGD
View
A
Retailer 4
-
$2,790 SGD
View
A
Retailer 5
-
$2,875 SGD
View
A
Retailer 6
-
$2,925 SGD
View
B+
Retailer 7
-
$3,172 SGD
View
B+
Retailer 8
-
$3,174 SGD
View
B+
Retailer 9
-
$3,354 SGD
View
B+
Retailer 10
-
$3,496 SGD
View
B
Retailer 11
-
$4,803 SGD
View
Most Expensive
B
NZ Jewellers
d5506a46-e10b-4442-9b36-a04de41f301c · Nov 5
$5,747 SGD
$4,499 USD
View
11 more retailers have this diamond
Prices start from $2,245 SGDSave up to $3,501 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
$2,245 SGD