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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 $3,228 AUD
As of November 6, 2026
Save $3,017 AUD (48%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: $7,200 AUD 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: $3,326 AUD|Low: $3,228 AUD|High: $6,625 AUD|Avg: $3,917 AUD|-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$3,228 AUD
Retailer 12$3,231 AUD
Retailer 10$3,253 AUD
Retailer 4$3,299 AUD
Retailer 1$3,326 AUD
Retailer 11$3,363 AUD
Retailer 2$3,778 AUD
Retailer 5$3,826 AUD
Retailer 6$4,094 AUD
Retailer 7$4,362 AUD
Retailer 9$4,448 AUD
Retailer 8$6,245 AUD

24 data points across 12 retailers

18 retailers$3,228 AUD to $6,245 AUD

A
Cheapest Retailer
-
$3,228 AUD
A
Retailer 2
-
$3,231 AUD
View
A
Retailer 3
-
$3,253 AUD
View
A
Retailer 4
-
$3,299 AUD
View
Final sale: no returns
A
Retailer 5
-
$3,326 AUD
View
A
Retailer 6
-
$3,363 AUD
View
Retailer 7
-
$3,443 AUD
View
Price last confirmed 43 days ago
B+
Retailer 8
-
$3,778 AUD
View
A
Retailer 9
-
$3,826 AUD
View
Retailer 10
-
$3,855 AUD
View
Price last confirmed 36 days ago
Retailer 11
-
$4,004 AUD
View
Price last confirmed 38 days ago
Retailer 12
-
$4,014 AUD
View
Price last confirmed 45 days ago
B+
Retailer 13
-
$4,094 AUD
View
B+
Retailer 14
-
$4,362 AUD
View
B+
Retailer 15
-
$4,448 AUD
View
Retailer 16
-
$4,449 AUD
View
Price last confirmed 38 days ago
B
Retailer 17
-
$6,245 AUD
View
Most Expensive
NZ Jewellers
0f475f16-e417-4635-bb49-ad59d5e3332c · Sep 26
$7,200 AUD
$4,947 USD
View
Price last confirmed 40 days ago
17 more retailers have this diamond
Prices start from $3,228 AUDSave up to $3,017 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
$3,228 AUD