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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 $409 USD
As of November 6, 2026
Save $1,292 USD (76%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: $1,701 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 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 $409 to $1,701, a $1,292 spread on the same certified stone. NZ Jewellers lists it at $1,701. 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
Color
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: $1,701 USD|Low: $378 USD|High: $1,724 USD|Avg: $686 USD|-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$409 USD
Retailer 6$444 USD
Retailer 7$478 USD
Retailer 3$479 USD
Retailer 9$512 USD
Retailer 2$527 USD
Retailer 10$556 USD
Retailer 5$574 USD
Retailer 4$669 USD
Retailer 11$1,027 USD
NZ Jewellers$1,701 USD

35 data points across 11 retailers

11 retailers$409 USD to $1,701 USD

B+
Cheapest Retailer
-
$409 USD
Final sale: no returns
A
Retailer 2
-
$444 USD
View
A
Retailer 3
-
$478 USD
View
Retailer 4
-
$479 USD
View
Price last confirmed 8 days ago
A
Retailer 5
-
$512 USD
View
A
Retailer 6
-
$527 USD
View
B+
Retailer 7
-
$556 USD
View
B+
Retailer 8
-
$574 USD
View
B+
Retailer 9
-
$669 USD
View
B
Retailer 10
-
$1,027 USD
View
Most Expensive
C
NZ Jewellers
0971bbf3-e5f1-4a8c-a6d6-bd5342f273d4 · Nov 5
$1,701 USD
View
10 more retailers have this diamond
Prices start from $409 USDSave up to $1,292 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
$409 USD