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Heart|Natural|IGI

0.51ct E SI2 Heart Natural Diamond

VG • E/SI2 • IGI 790616518

Shape and cutting style on the report: Heart brilliant

Certificate IGI 790616518

Diamond specifications and retailer prices

From €366 EUR
As of November 6, 2026
Save €1,157 EUR (76%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: €1,524 EUR 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 E colour (colourless) and SI2 clarity (slightly-included), with a very-good cut grade and certified by IGI 790616518. Listed at 11 retailers as of November 5, 2026, with prices from €366 to €1,524, a €1,157 spread on the same certified stone. NZ Jewellers lists it at €1,524. 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
E
Colour
SI2
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishVery Good
SymmetryGood
FluorescenceFaint
Crown angle37°
Pavilion angle41.3°
OriginNatural
Grading LabIGI
CertificateIGI 790616518
Dimensions5.06 × 5.04 × 3.19 mm
L/W Ratio1.00
Girdle conditionFaceted
Culet sizePointed
Top View
5.06 mm5.04 mm0.51 ctE / SI2
OriginNatural
CutVery Good
PolishVery Good
SymmetryGood
FluorescenceFaint
CertificateIGI 790616518
Side View
Table 62.0%Crown 37°Girdle: STK-VTKPavilion 41.3°Culet: NoneDepth 63.3%

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: €1,524 EUR|Low: €339 EUR|High: €1,544 EUR|Avg: €614 EUR|-1.3%
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
November 6, 2026
Retailer 8€366 EUR
Retailer 6€398 EUR
Retailer 7€428 EUR
Retailer 3€429 EUR
Retailer 9€459 EUR
Retailer 2€472 EUR
Retailer 10€498 EUR
Retailer 5€514 EUR
Retailer 4€599 EUR
Retailer 11€920 EUR
NZ Jewellers€1,524 EUR

35 data points across 11 retailers

11 retailers€366 EUR to €1,524 EUR

B+
Cheapest Retailer
-
€366 EUR
Final sale: no returns
A
Retailer 2
-
€398 EUR
View
A
Retailer 3
-
€428 EUR
View
Retailer 4
-
€429 EUR
View
Price last confirmed 8 days ago
A
Retailer 5
-
€459 EUR
View
A
Retailer 6
-
€472 EUR
View
B+
Retailer 7
-
€498 EUR
View
B+
Retailer 8
-
€514 EUR
View
B+
Retailer 9
-
€599 EUR
View
B
Retailer 10
-
€920 EUR
View
Most Expensive
C
NZ Jewellers
0971bbf3-e5f1-4a8c-a6d6-bd5342f273d4 · Nov 5
€1,524 EUR
$1,701 USD
View
10 more retailers have this diamond
Prices start from €366 EURSave up to €1,157 EUR

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
€366 EUR