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Heart|Natural|IGI

0.51ct J VS2 Heart Natural Diamond

VG • J/VS2 • IGI 574334276

Shape and cutting style on the report: Cushion brilliant

Certificate IGI 574334276

Diamond specifications and retailer prices

From $438 AUD
£242 GBP
As of November 2, 2026
Save $407 AUD (48%) vs most expensive(unlock to see where)
4 retailers carry this diamond
Most expensive: $991 AUD at MOH London · As of October 17, 2026
View at MOH London

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 VS2 clarity (very-slightly-included), with a very-good cut grade and certified by IGI 574334276. Listed at 4 retailers as of October 29, 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. 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
VS2
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishVery Good
SymmetryVery Good
FluorescenceFaint
Crown angle39.4°
Pavilion angle34.5°
OriginNatural
Grading LabIGI
CertificateIGI 574334276
Dimensions5.00 × 4.10 × 2.85 mm
L/W Ratio1.22
Girdle conditionFaceted
Culet sizePointed
Top View
5.00 mm4.10 mm0.51 ctJ / VS2
OriginNatural
CutVery Good
PolishVery Good
SymmetryVery Good
FluorescenceFaint
CertificateIGI 574334276
Side View
Table 61.0%Crown 39.4°Girdle: MED-THKPavilion 34.5°Culet: NoneDepth 69.5%

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 2
Current: $991 AUD|Low: $430 AUD|High: $996 AUD|Avg: $714 AUD|+0.4%
MOH London
Retailer 2
Retailer 3
November 2, 2026
Retailer 2$438 AUD
Retailer 3$723 AUD
MOH London$991 AUD

41 data points across 3 retailers

4 retailers$438 AUD to $844 AUD

A
Cheapest Retailer
-
$438 AUD
£242 GBP
Retailer 2
-
$723 AUD
€484 EUR
View
Price last confirmed 7 days ago
B
Retailer 3
-
$844 AUD
£467 GBP
View
Most Expensive
MOH London
C80355C7A · Oct 17
$991 AUD
£548 GBP
View
Price last confirmed 15 days ago
3 more retailers have this diamond
Prices start from $438 AUDSave up to $407 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
$438 AUD