Round|Natural|IGI

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 $1,758 USD
As of November 5, 2026
Save $2,741 USD (61%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: $4,499 USD 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 $1,758 to $4,499, a $2,741 spread on the same certified stone. NZ Jewellers lists it at $4,499. 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
Color
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: $4,499 USD|Low: $1,758 USD|High: $4,499 USD|Avg: $2,634 USD
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$1,758 USD
Retailer 2$2,002 USD
Retailer 6$2,152 USD
Retailer 8$2,251 USD
Retailer 10$2,483 USD
Retailer 9$2,485 USD
Retailer 5$2,626 USD
Retailer 3$2,737 USD
Retailer 7$3,760 USD
NZ Jewellers$4,499 USD

39 data points across 10 retailers

12 retailers$1,758 USD to $4,499 USD

A
Cheapest Retailer
-
$1,758 USD
A
Retailer 2
-
$2,002 USD
View
A
Retailer 3
-
$2,152 USD
View
A
Retailer 4
-
$2,184 USD
View
A
Retailer 5
-
$2,251 USD
View
A
Retailer 6
-
$2,290 USD
View
B+
Retailer 7
-
$2,483 USD
View
B+
Retailer 8
-
$2,485 USD
View
B+
Retailer 9
-
$2,626 USD
View
B+
Retailer 10
-
$2,737 USD
View
B
Retailer 11
-
$3,760 USD
View
Most Expensive
B
NZ Jewellers
d5506a46-e10b-4442-9b36-a04de41f301c · Nov 5
$4,499 USD
View
11 more retailers have this diamond
Prices start from $1,758 USDSave up to $2,741 USD

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
$1,758 USD