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Heart|Natural|IGI

0.51ct K VVS1 Heart Natural Diamond

VG • K/VVS1 • IGI 815656546

Shape and cutting style on the report: Heart brilliant

Certificate IGI 815656546

Diamond specifications and retailer prices

From $723 AUD
As of November 5, 2026
Save $1,915 AUD (73%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: $2,639 AUD at NZ Jewellers · As of November 5, 2026
View at NZ Jewellers

About this 0.51ct natural heart diamond

This 0.51ct natural heart sits in the half to three-quarter carat band, graded K colour (faint-tinted) and VVS1 clarity (very-very-slightly-included), with a very-good cut grade and certified by IGI 815656546. Listed at 14 retailers as of November 5, 2026, with prices from $723 to $2,639, a $1,915 spread on the same certified stone. NZ Jewellers lists it at $2,639. 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

0.51
Carat
K
Colour
VVS1
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishExcellent
SymmetryVery Good
FluorescenceNone
Crown angle36.6°
Pavilion angle39.8°
OriginNatural
Grading LabIGI
CertificateIGI 815656546
Dimensions4.85 × 5.52 × 3.28 mm
L/W Ratio1.14
Girdle conditionFaceted
Top View
4.85 mm5.52 mm0.51 ctK / VVS1
OriginNatural
CutVery Good
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateIGI 815656546
Side View
Table 62.0%Crown 36.6°Girdle: MED-THKPavilion 39.8°Culet: NoneDepth 59.4%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 5
Current: $2,639 AUD|Low: $723 AUD|High: $2,697 AUD|Avg: $1,203 AUD|-2.2%
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
November 6, 2026
Retailer 11$723 AUD
Retailer 12$841 AUD
Retailer 3$908 AUD
Retailer 6$915 AUD
Retailer 13$953 AUD
Retailer 10$971 AUD
Retailer 7$1,026 AUD
Retailer 5$1,041 AUD
Retailer 9$1,121 AUD
Retailer 8$1,128 AUD
Retailer 2$1,269 AUD
Retailer 14$1,301 AUD
Retailer 4$1,947 AUD
NZ Jewellers$2,639 AUD

20 data points across 14 retailers

14 retailers$723 AUD to $2,639 AUD

A
Cheapest Retailer
-
$723 AUD
B+
Retailer 2
-
$841 AUD
View
B+
Retailer 3
-
$908 AUD
View
Retailer 4
-
$915 AUD
View
Price last confirmed 8 days ago
B+
Retailer 5
-
$953 AUD
View
B+
Retailer 6
-
$971 AUD
View
B+
Retailer 7
-
$1,026 AUD
View
B+
Retailer 8
-
$1,041 AUD
View
B
Retailer 9
-
$1,121 AUD
View
B
Retailer 10
-
$1,128 AUD
View
B
Retailer 11
-
$1,269 AUD
View
B
Retailer 12
-
$1,301 AUD
View
B
Retailer 13
-
$1,947 AUD
View
Most Expensive
B
NZ Jewellers
ded4e909-7d96-476c-a6dc-e9de723693ce · Nov 5
$2,639 AUD
$1,813 USD
View
13 more retailers have this diamond
Prices start from $723 AUDSave up to $1,915 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
0.51ct Heart
$723 AUD