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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 $322 USD
As of November 6, 2026
Save $1,373 USD (81%) vs most expensive(unlock to see where)
7 retailers carry this diamond
Most expensive: $1,695 USD 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 $322 to $1,695, a $1,373 spread on the same certified stone. NZ Jewellers lists it at $1,695. 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
Color
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: $1,695 USD|Low: $322 USD|High: $1,704 USD|Avg: $755 USD|-0.5%
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
November 6, 2026
Retailer 2$322 USD
Retailer 3$525 USD
Retailer 7$573 USD
Retailer 6$618 USD
Retailer 4$666 USD
Retailer 5$1,019 USD
NZ Jewellers$1,695 USD

41 data points across 7 retailers

7 retailers$322 USD to $1,695 USD

A
Cheapest Retailer
-
$322 USD
B+
Retailer 2
-
$525 USD
View
B+
Retailer 3
-
$573 USD
View
B
Retailer 4
-
$618 USD
View
B
Retailer 5
-
$666 USD
View
B
Retailer 6
-
$1,019 USD
View
Most Expensive
C
NZ Jewellers
5ac3dc76-81b0-4384-afab-08a1ae7e9ff7 · Nov 5
$1,695 USD
View
6 more retailers have this diamond
Prices start from $322 USDSave up to $1,373 USD

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
$322 USD