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Round|Natural|IGI

1.21ct J VS1 Round Natural Diamond

EX • J/VS1 • IGI 642424260

Shape and cutting style on the report: Round brilliant

Certificate IGI 642424260

Diamond specifications and retailer prices

From $3,604 NZD
As of November 5, 2026
Save $3,366 NZD (48%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: $8,448 NZD at NZ Jewellers · As of September 21, 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 J colour (near-colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI 642424260. Listed at 17 retailers as of November 4, 2026, with a 93% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.21
Carat
J
Colour
VS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.8°
Pavilion angle40.7°
OriginNatural
Grading LabIGI
CertificateIGI 642424260
Dimensions6.79 × 6.83 × 4.23 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizePointed
Cert comments
IDEAL CUT ROUND BRILLIANT
Top View
6.79 mm6.83 mm1.21 ctJ / VS1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI 642424260
Side View
Table 55.0%Crown 34.8°Girdle: MED-STKPavilion 40.7°Culet: NoneDepth 62.2%

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: $4,383 NZD|Low: $3,108 NZD|High: $7,344 NZD|Avg: $4,529 NZD|+1.6%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
November 6, 2026
Retailer 9$3,604 NZD
Retailer 11$3,730 NZD
Retailer 10$3,765 NZD
Retailer 8$4,014 NZD
Retailer 2$4,144 NZD
Retailer 3$4,144 NZD
Retailer 1$4,383 NZD
Retailer 4$4,582 NZD
Retailer 5$4,869 NZD
Retailer 6$4,948 NZD
Retailer 7$6,970 NZD

28 data points across 11 retailers

17 retailers$3,604 NZD to $6,970 NZD

A
Cheapest Retailer
-
$3,604 NZD
A
Retailer 2
-
$3,765 NZD
View
Retailer 3
-
$3,949 NZD
View
Price last confirmed 103 days ago
A
Retailer 4
-
$4,014 NZD
View
Retailer 5
-
$4,041 NZD
View
Price last confirmed 57 days ago
Retailer 6
-
$4,041 NZD
View
Price last confirmed 45 days ago
Retailer 7
-
$4,144 NZD
View
Price last confirmed 20 days ago
Retailer 8
-
$4,144 NZD
View
Price last confirmed 22 days ago
A
Retailer 9
-
$4,383 NZD
View
A
Retailer 10
-
$4,582 NZD
View
Retailer 11
-
$4,661 NZD
View
Price last confirmed 61 days ago
Retailer 12
-
$4,661 NZD
View
Price last confirmed 46 days ago
B+
Retailer 13
-
$4,869 NZD
View
B+
Retailer 14
-
$4,948 NZD
View
B
Retailer 15
-
$6,970 NZD
View
Retailer 16
-
$8,448 NZD
View
Price last confirmed 58 days ago
Most Expensive
NZ Jewellers
059d0d0d-9d10-4ba7-a3a4-3129d5ebbee9 · Sep 21
$8,448 NZD
$4,683 USD
View
Price last confirmed 46 days ago
16 more retailers have this diamond
Prices start from $3,604 NZDSave up to $3,366 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
$3,604 NZD