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Heart|Natural|IGI

5.03ct I SI1 Heart Natural Diamond

VG • I/SI1 • IGI 561285121

Shape and cutting style on the report: Heart brilliant

Certificate IGI 561285121

Diamond specifications and retailer prices

From €57,117 EUR
£50,245 GBP
As of November 2, 2026
Save €30,547 EUR (35%) vs most expensive(unlock to see where)
2 retailers carry this diamond
Most expensive: €87,664 EUR at MOH London · As of November 1, 2026
View at MOH London

About this 5.03ct natural heart diamond

This 5.03ct natural heart sits in the over five carat band, graded I colour (near-colourless) and SI1 clarity (slightly-included), with a very-good cut grade and certified by IGI 561285121. Listed at 2 retailers as of November 1, 2026, with prices from €57,117 to €87,664, a €30,547 spread on the same certified stone. MOH London lists it at €87,664. 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

5.03
Carat
I
Color
SI1
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishExcellent
SymmetryVery Good
FluorescenceNone
Crown angle32.8°
Pavilion angle47°
OriginNatural
Grading LabIGI
CertificateIGI 561285121
Dimensions10.45 × 11.85 × 6.98 mm
L/W Ratio1.13
Girdle conditionFaceted
Culet sizePointed
Top View
10.45 mm11.85 mm5.03 ctI / SI1
OriginNatural
CutVery Good
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateIGI 561285121
Side View
Table 55.5%Crown 32.8°Girdle: THN-VTKPavilion 47°Culet: NoneDepth 58.9%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 2
Current: €87,664 EUR|Low: €55,230 EUR|High: €88,720 EUR|Avg: €66,983 EUR|-0.1%
MOH London
Retailer 2
Retailer 3
November 2, 2026
Retailer 3€55,230 EUR
Retailer 2€57,117 EUR
MOH London€87,664 EUR

28 data points across 3 retailers

2 retailers€57,117 EUR to €87,664 EUR

B+
Cheapest Retailer
-
€57,117 EUR
£50,245 GBP
Most Expensive
B
MOH London
B71BBFA63 · Nov 1
€87,664 EUR
£77,117 GBP
View
1 more retailer has this diamond
Prices start from €57,117 EURSave up to €30,547 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.

B+
5.03ct Heart
€57,117 EUR