CaratHunter
Plans
Round|Natural|IGI

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 $2,198 SGD
As of November 5, 2026
Save $3,417 SGD (61%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: $5,615 SGD 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 $2,198 to $5,615, a $3,417 spread on the same certified stone. NZ Jewellers lists it at $5,615. 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 5
Current: $2,498 SGD|Low: $2,198 SGD|High: $4,762 SGD|Avg: $3,179 SGD|-1.9%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
November 6, 2026
Retailer 3$2,198 SGD
Retailer 1$2,498 SGD
Retailer 7$2,810 SGD
Retailer 6$3,104 SGD
Retailer 4$3,278 SGD
Retailer 2$3,421 SGD
Retailer 5$4,693 SGD

41 data points across 7 retailers

11 retailers$2,198 SGD to $5,615 SGD

A
Cheapest Retailer
-
$2,198 SGD
A
Retailer 2
-
$2,498 SGD
View
A
Retailer 3
-
$2,686 SGD
View
A
Retailer 4
-
$2,810 SGD
View
B+
Retailer 5
-
$2,862 SGD
View
B+
Retailer 6
-
$3,099 SGD
View
B+
Retailer 7
-
$3,104 SGD
View
B+
Retailer 8
-
$3,278 SGD
View
B+
Retailer 9
-
$3,421 SGD
View
B
Retailer 10
-
$4,693 SGD
View
Most Expensive
B
NZ Jewellers
3c70d52b-20c1-4940-87e6-d516f0da60f4 · Nov 2
$5,615 SGD
$4,396 USD
View
10 more retailers have this diamond
Prices start from $2,198 SGDSave up to $3,417 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
$2,198 SGD