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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 $2,511 AUD
As of November 5, 2026
Save $3,916 AUD (61%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: $6,427 AUD 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 $2,511 to $6,427, a $3,916 spread on the same certified stone. NZ Jewellers lists it at $6,427. 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: $6,427 AUD|Low: $2,511 AUD|High: $6,427 AUD|Avg: $3,763 AUD
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$2,511 AUD
Retailer 2$2,860 AUD
Retailer 6$3,074 AUD
Retailer 8$3,216 AUD
Retailer 10$3,547 AUD
Retailer 9$3,550 AUD
Retailer 5$3,751 AUD
Retailer 3$3,910 AUD
Retailer 7$5,371 AUD
NZ Jewellers$6,427 AUD

39 data points across 10 retailers

12 retailers$2,511 AUD to $6,427 AUD

A
Cheapest Retailer
-
$2,511 AUD
A
Retailer 2
-
$2,860 AUD
View
A
Retailer 3
-
$3,074 AUD
View
A
Retailer 4
-
$3,120 AUD
View
A
Retailer 5
-
$3,216 AUD
View
A
Retailer 6
-
$3,271 AUD
View
B+
Retailer 7
-
$3,547 AUD
View
B+
Retailer 8
-
$3,550 AUD
View
B+
Retailer 9
-
$3,751 AUD
View
B+
Retailer 10
-
$3,910 AUD
View
B
Retailer 11
-
$5,371 AUD
View
Most Expensive
B
NZ Jewellers
d5506a46-e10b-4442-9b36-a04de41f301c · Nov 5
$6,427 AUD
$4,499 USD
View
11 more retailers have this diamond
Prices start from $2,511 AUDSave up to $3,916 AUD

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
$2,511 AUD