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Round|Natural|IGI

1.21ct J VS1 Round Natural Diamond

EX • J/VS1 • IGI 573303518

Shape and cutting style on the report: Round brilliant

Certificate IGI 573303518

Diamond specifications and retailer prices

From $4,001 NZD
As of November 6, 2026
Save $3,739 NZD (48%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: $8,924 NZD at NZ Jewellers · As of September 26, 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 573303518. Listed at 18 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 angle35.6°
Pavilion angle41°
OriginNatural
Grading LabIGI
CertificateIGI 573303518
Dimensions6.83 × 6.81 × 4.22 mm
L/W Ratio1.00
Girdle conditionFaceted
Culet sizePointed
Cert comments
IDEAL CUT ROUND BRILLIANT
Top View
6.83 mm6.81 mm1.21 ctJ / VS1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI 573303518
Side View
Table 58.0%Crown 35.6°Girdle: MediumPavilion 41°Culet: NoneDepth 61.9%

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: $4,122 NZD|Low: $4,001 NZD|High: $8,211 NZD|Avg: $4,855 NZD|-6.2%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
November 6, 2026
Retailer 3$4,001 NZD
Retailer 12$4,005 NZD
Retailer 10$4,032 NZD
Retailer 4$4,089 NZD
Retailer 1$4,122 NZD
Retailer 11$4,169 NZD
Retailer 2$4,683 NZD
Retailer 5$4,742 NZD
Retailer 6$5,074 NZD
Retailer 7$5,406 NZD
Retailer 9$5,513 NZD
Retailer 8$7,741 NZD

24 data points across 12 retailers

18 retailers$4,001 NZD to $7,741 NZD

A
Cheapest Retailer
-
$4,001 NZD
A
Retailer 2
-
$4,005 NZD
View
A
Retailer 3
-
$4,032 NZD
View
A
Retailer 4
-
$4,089 NZD
View
Final sale: no returns
A
Retailer 5
-
$4,122 NZD
View
A
Retailer 6
-
$4,169 NZD
View
Retailer 7
-
$4,268 NZD
View
Price last confirmed 44 days ago
B+
Retailer 8
-
$4,683 NZD
View
A
Retailer 9
-
$4,742 NZD
View
Retailer 10
-
$4,779 NZD
View
Price last confirmed 37 days ago
Retailer 11
-
$4,963 NZD
View
Price last confirmed 39 days ago
Retailer 12
-
$4,975 NZD
View
Price last confirmed 46 days ago
B+
Retailer 13
-
$5,074 NZD
View
B+
Retailer 14
-
$5,406 NZD
View
B+
Retailer 15
-
$5,513 NZD
View
Retailer 16
-
$5,515 NZD
View
Price last confirmed 39 days ago
B
Retailer 17
-
$7,741 NZD
View
Most Expensive
NZ Jewellers
0f475f16-e417-4635-bb49-ad59d5e3332c · Sep 26
$8,924 NZD
$4,947 USD
View
Price last confirmed 41 days ago
17 more retailers have this diamond
Prices start from $4,001 NZDSave up to $3,739 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
$4,001 NZD