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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 $2,908 AUD
As of November 5, 2026
Save $2,716 AUD (48%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: $6,816 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 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: $3,537 AUD|Low: $2,508 AUD|High: $5,925 AUD|Avg: $3,658 AUD|+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$2,908 AUD
Retailer 11$3,010 AUD
Retailer 10$3,037 AUD
Retailer 8$3,238 AUD
Retailer 2$3,343 AUD
Retailer 3$3,343 AUD
Retailer 1$3,537 AUD
Retailer 4$3,697 AUD
Retailer 5$3,928 AUD
Retailer 6$3,992 AUD
Retailer 7$5,624 AUD

29 data points across 11 retailers

17 retailers$2,908 AUD to $5,624 AUD

A
Cheapest Retailer
-
$2,908 AUD
A
Retailer 2
-
$3,037 AUD
View
Retailer 3
-
$3,186 AUD
View
Price last confirmed 102 days ago
A
Retailer 4
-
$3,238 AUD
View
Retailer 5
-
$3,260 AUD
View
Price last confirmed 56 days ago
Retailer 6
-
$3,260 AUD
View
Price last confirmed 44 days ago
Retailer 7
-
$3,343 AUD
View
Price last confirmed 19 days ago
Retailer 8
-
$3,343 AUD
View
Price last confirmed 21 days ago
A
Retailer 9
-
$3,537 AUD
View
A
Retailer 10
-
$3,697 AUD
View
Retailer 11
-
$3,761 AUD
View
Price last confirmed 60 days ago
Retailer 12
-
$3,761 AUD
View
Price last confirmed 45 days ago
B+
Retailer 13
-
$3,928 AUD
View
B+
Retailer 14
-
$3,992 AUD
View
B
Retailer 15
-
$5,624 AUD
View
Retailer 16
-
$6,816 AUD
View
Price last confirmed 57 days ago
Most Expensive
NZ Jewellers
059d0d0d-9d10-4ba7-a3a4-3129d5ebbee9 · Sep 21
$6,816 AUD
$4,683 USD
View
Price last confirmed 46 days ago
16 more retailers have this diamond
Prices start from $2,908 AUDSave up to $2,716 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
$2,908 AUD