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1.21ct K VS1 Round Natural Diamond

EX • K/VS1 • IGI 816643819

Shape and cutting style on the report: Round brilliant

Certificate IGI 816643819

Diamond specifications and retailer prices

From $3,049 NZD
As of November 6, 2026
Save $4,771 NZD (61%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: $7,820 NZD at NZ Jewellers · As of November 2, 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 816643819. Listed at 11 retailers as of November 2, 2026, with prices from $3,049 to $7,820, a $4,771 spread on the same certified stone. NZ Jewellers lists it at $7,820. 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°
Pavilion angle40.6°
OriginNatural
Grading LabIGI
CertificateIGI 816643819
Dimensions6.76 × 6.81 × 4.24 mm
L/W Ratio1.01
Girdle conditionFaceted
Cert comments
IDEAL CUT ROUND BRILLIANT
Top View
6.76 mm6.81 mm1.21 ctK / VS1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI 816643819
Side View
Table 57.0%Crown 36°Girdle: MED-STKPavilion 40.6°CuletDepth 62.5%

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: $3,049 NZD|Low: $3,049 NZD|High: $6,632 NZD|Avg: $4,418 NZD|-2.6%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
November 6, 2026
Retailer 1$3,049 NZD
Retailer 2$3,480 NZD
Retailer 7$3,914 NZD
Retailer 6$4,323 NZD
Retailer 4$4,565 NZD
Retailer 3$4,764 NZD
Retailer 5$6,536 NZD

41 data points across 7 retailers

11 retailers$3,049 NZD to $7,820 NZD

A
Cheapest Retailer
-
$3,049 NZD
A
Retailer 2
-
$3,480 NZD
View
A
Retailer 3
-
$3,741 NZD
View
A
Retailer 4
-
$3,914 NZD
View
B+
Retailer 5
-
$3,987 NZD
View
B+
Retailer 6
-
$4,316 NZD
View
B+
Retailer 7
-
$4,323 NZD
View
B+
Retailer 8
-
$4,565 NZD
View
B+
Retailer 9
-
$4,764 NZD
View
B
Retailer 10
-
$6,536 NZD
View
Most Expensive
B
NZ Jewellers
3c70d52b-20c1-4940-87e6-d516f0da60f4 · Nov 2
$7,820 NZD
$4,396 USD
View
10 more retailers have this diamond
Prices start from $3,049 NZDSave up to $4,771 NZD

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
$3,049 NZD