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Heart|Natural|IGI

1.21ct I VVS1 Heart Natural Diamond

VG • I/VVS1 • IGI 828654399

Shape and cutting style on the report: Heart brilliant

Certificate IGI 828654399

Diamond specifications and retailer prices

From $3,136 AUD
As of November 6, 2026
Save $5,660 AUD (64%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: $8,796 AUD at NZ Jewellers · As of November 5, 2026
View at NZ Jewellers

About this 1.21ct natural heart diamond

This 1.21ct natural heart sits in the classic one-carat band, graded I colour (near-colourless) and VVS1 clarity (very-very-slightly-included), with a very-good cut grade and certified by IGI 828654399. Listed at 18 retailers as of November 5, 2026, with prices from $3,136 to $8,796, a $5,660 spread on the same certified stone. NZ Jewellers lists it at $8,796. Cut grade matters more than carat or clarity for visible brilliance. If you can shift budget toward an Excellent or Ideal cut, do it before chasing higher colour or clarity.

The 4Cs

1.21
Carat
I
Colour
VVS1
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceFaint
Crown angle31.4°
Pavilion angle37.9°
OriginNatural
Grading LabIGI
CertificateIGI 828654399
Dimensions6.80 × 7.59 × 4.10 mm
L/W Ratio1.12
Girdle conditionFaceted
Top View
6.80 mm7.59 mm1.21 ctI / VVS1
OriginNatural
CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateIGI 828654399
Side View
Table 61.0%Crown 31.4°Girdle: MED-THKPavilion 37.9°Culet: NoneDepth 54.0%

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: $8,796 AUD|Low: $3,136 AUD|High: $8,897 AUD|Avg: $4,706 AUD|-1.1%
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
Retailer 15
Retailer 16
Retailer 17
Retailer 18
November 7, 2026
Retailer 16$3,136 AUD
Retailer 5$3,640 AUD
Retailer 17$3,832 AUD
Retailer 14$3,882 AUD
Retailer 8$3,896 AUD
Retailer 9$4,024 AUD
Retailer 13$4,117 AUD
Retailer 2$4,132 AUD
Retailer 7$4,180 AUD
Retailer 6$4,208 AUD
Retailer 10$4,237 AUD
Retailer 12$4,369 AUD
Retailer 3$4,855 AUD
Retailer 18$4,921 AUD
Retailer 4$5,142 AUD
Retailer 15$6,183 AUD
Retailer 11$6,999 AUD
NZ Jewellers$8,796 AUD

15 data points across 18 retailers

18 retailers$3,136 AUD to $8,796 AUD

A
Cheapest Retailer
-
$3,136 AUD
A
Retailer 2
-
$3,640 AUD
View
A
Retailer 3
-
$3,832 AUD
View
A
Retailer 4
-
$3,882 AUD
View
A
Retailer 5
-
$3,896 AUD
View
A
Retailer 6
-
$4,024 AUD
View
B+
Retailer 7
-
$4,117 AUD
View
B+
Retailer 8
-
$4,132 AUD
View
B+
Retailer 9
-
$4,180 AUD
View
B+
Retailer 10
-
$4,208 AUD
View
Retailer 11
-
$4,237 AUD
View
Price last confirmed 9 days ago
B+
Retailer 12
-
$4,369 AUD
View
B+
Retailer 13
-
$4,855 AUD
View
B+
Retailer 14
-
$4,921 AUD
View
B+
Retailer 15
-
$5,142 AUD
View
B
Retailer 16
-
$6,183 AUD
View
B
Retailer 17
-
$6,999 AUD
View
Most Expensive
B
NZ Jewellers
87859d3a-9d96-4ddb-a828-5c3e9342b0ef · Nov 5
$8,796 AUD
$6,044 USD
View
17 more retailers have this diamond
Prices start from $3,136 AUDSave up to $5,660 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 Heart
$3,136 AUD