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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 $3,056 AUD
As of November 5, 2026
Save $2,855 AUD (48%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: $7,161 AUD 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: $7,161 AUD|Low: $2,968 AUD|High: $7,332 AUD|Avg: $4,122 AUD
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$3,056 AUD
Retailer 9$3,100 AUD
Retailer 10$3,123 AUD
Retailer 3$3,173 AUD
Retailer 4$3,425 AUD
Retailer 12$3,425 AUD
Retailer 7$3,719 AUD
Retailer 2$3,882 AUD
Retailer 5$4,129 AUD
Retailer 6$4,197 AUD
Retailer 8$5,912 AUD
NZ Jewellers$7,161 AUD

36 data points across 12 retailers

16 retailers$3,056 AUD to $5,912 AUD

A
Cheapest Retailer
-
$3,056 AUD
A
Retailer 2
-
$3,100 AUD
View
A
Retailer 3
-
$3,123 AUD
View
Final sale: no returns
A
Retailer 4
-
$3,173 AUD
View
Retailer 5
-
$3,336 AUD
View
Price last confirmed 102 days ago
Retailer 6
-
$3,425 AUD
View
Price last confirmed 44 days ago
Retailer 7
-
$3,425 AUD
View
Price last confirmed 12 days ago
Retailer 8
-
$3,425 AUD
View
Price last confirmed 11 days ago
A
Retailer 9
-
$3,719 AUD
View
B+
Retailer 10
-
$3,882 AUD
View
Retailer 11
-
$3,951 AUD
View
Price last confirmed 45 days ago
B+
Retailer 12
-
$4,129 AUD
View
B+
Retailer 13
-
$4,197 AUD
View
B
Retailer 14
-
$5,912 AUD
View
Retailer 15
-
$7,161 AUD
View
Price last confirmed 14 days ago
Most Expensive
NZ Jewellers
a1a93c35-1056-4c3f-84cc-3e49603e7c18 · Sep 21
$7,161 AUD
$4,920 USD
View
Price last confirmed 46 days ago
15 more retailers have this diamond
Prices start from $3,056 AUDSave up to $2,855 AUD

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
$3,056 AUD