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Round|Natural|IGI

1.21ct J VS1 Round Natural Diamond

EX • J/VS1 • IGI 670479205

Shape and cutting style on the report: Round brilliant

Certificate IGI 670479205

Diamond specifications and retailer prices

From $3,788 NZD
As of November 5, 2026
Save $3,539 NZD (48%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: $8,875 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 670479205. Listed at 16 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 angle36.4°
Pavilion angle40.6°
OriginNatural
Grading LabIGI
CertificateIGI 670479205
Dimensions6.75 × 6.71 × 4.25 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizePointed
Top View
6.75 mm6.71 mm1.21 ctJ / VS1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI 670479205
Side View
Table 57.0%Crown 36.4°Girdle: Slightly ThickPavilion 40.6°Culet: NoneDepth 63.1%

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: $8,875 NZD|Low: $3,678 NZD|High: $9,088 NZD|Avg: $5,109 NZD
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
November 5, 2026
Retailer 11$3,788 NZD
Retailer 9$3,842 NZD
Retailer 10$3,871 NZD
Retailer 3$3,933 NZD
Retailer 4$4,245 NZD
Retailer 12$4,245 NZD
Retailer 7$4,609 NZD
Retailer 2$4,811 NZD
Retailer 5$5,118 NZD
Retailer 6$5,202 NZD
Retailer 8$7,327 NZD
NZ Jewellers$8,875 NZD

36 data points across 12 retailers

16 retailers$3,788 NZD to $7,327 NZD

A
Cheapest Retailer
-
$3,788 NZD
A
Retailer 2
-
$3,842 NZD
View
A
Retailer 3
-
$3,871 NZD
View
Final sale: no returns
A
Retailer 4
-
$3,933 NZD
View
Retailer 5
-
$4,135 NZD
View
Price last confirmed 103 days ago
Retailer 6
-
$4,245 NZD
View
Price last confirmed 45 days ago
Retailer 7
-
$4,245 NZD
View
Price last confirmed 13 days ago
Retailer 8
-
$4,245 NZD
View
Price last confirmed 12 days ago
A
Retailer 9
-
$4,609 NZD
View
B+
Retailer 10
-
$4,811 NZD
View
Retailer 11
-
$4,898 NZD
View
Price last confirmed 46 days ago
B+
Retailer 12
-
$5,118 NZD
View
B+
Retailer 13
-
$5,202 NZD
View
B
Retailer 14
-
$7,327 NZD
View
Retailer 15
-
$8,875 NZD
View
Price last confirmed 15 days ago
Most Expensive
NZ Jewellers
a1a93c35-1056-4c3f-84cc-3e49603e7c18 · Sep 21
$8,875 NZD
$4,920 USD
View
Price last confirmed 46 days ago
15 more retailers have this diamond
Prices start from $3,788 NZDSave up to $3,539 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
$3,788 NZD