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Heart|Natural|IGI

0.51ct J SI2 Heart Natural Diamond

VG • J/SI2 • IGI 692555249

Shape and cutting style on the report: Heart brilliant

Certificate IGI 692555249

Diamond specifications and retailer prices

From $581 NZD
As of November 6, 2026
Save $2,477 NZD (81%) vs most expensive(unlock to see where)
7 retailers carry this diamond
Most expensive: $3,058 NZD 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 J colour (near-colourless) and SI2 clarity (slightly-included), with a very-good cut grade and certified by IGI 692555249. Listed at 7 retailers as of November 5, 2026, with prices from $581 to $3,058, a $2,477 spread on the same certified stone. NZ Jewellers lists it at $3,058. 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
J
Colour
SI2
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishExcellent
SymmetryGood
FluorescenceNone
Crown angle37.4°
Pavilion angle38.8°
OriginNatural
Grading LabIGI
CertificateIGI 692555249
Dimensions4.95 × 5.33 × 3.27 mm
L/W Ratio1.08
Girdle conditionFaceted
Culet sizePointed
Top View
4.95 mm5.33 mm0.51 ctJ / SI2
OriginNatural
CutVery Good
PolishExcellent
SymmetryGood
FluorescenceNone
CertificateIGI 692555249
Side View
Table 58.0%Crown 37.4°Girdle: STK-VTKPavilion 38.8°Culet: NoneDepth 61.4%

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: $3,058 NZD|Low: $581 NZD|High: $3,074 NZD|Avg: $1,362 NZD|-0.5%
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
November 6, 2026
Retailer 2$581 NZD
Retailer 3$947 NZD
Retailer 7$1,034 NZD
Retailer 6$1,115 NZD
Retailer 4$1,201 NZD
Retailer 5$1,838 NZD
NZ Jewellers$3,058 NZD

41 data points across 7 retailers

7 retailers$581 NZD to $3,058 NZD

A
Cheapest Retailer
-
$581 NZD
B+
Retailer 2
-
$947 NZD
View
B+
Retailer 3
-
$1,034 NZD
View
B
Retailer 4
-
$1,115 NZD
View
B
Retailer 5
-
$1,201 NZD
View
B
Retailer 6
-
$1,838 NZD
View
Most Expensive
C
NZ Jewellers
5ac3dc76-81b0-4384-afab-08a1ae7e9ff7 · Nov 5
$3,058 NZD
$1,695 USD
View
6 more retailers have this diamond
Prices start from $581 NZDSave up to $2,477 NZD

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
$581 NZD