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Heart|Natural|IGI

5.03ct H SI1 Heart Natural Diamond

VG • H/SI1 • IGI 716503425

Shape and cutting style on the report: Heart brilliant

Certificate IGI 716503425

Diamond specifications and retailer prices

From £44,131 GBP
$59,131 USD
As of October 30, 2026
Save £25,139 GBP (36%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: £69,270 GBP at MOH London · As of October 29, 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 H colour (near-colourless) and SI1 clarity (slightly-included), with a very-good cut grade and certified by IGI 716503425. Listed at 11 retailers as of October 29, 2026, with prices from £44,131 to £69,270, a £25,139 spread on the same certified stone. MOH London lists it at £69,270. 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
H
Colour
SI1
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.8°
Pavilion angle41.6°
OriginNatural
Grading LabIGI
CertificateIGI 716503425
Dimensions10.42 × 11.64 × 7.13 mm
L/W Ratio1.12
Girdle conditionFaceted
Culet sizePointed
Top View
10.42 mm11.64 mm5.03 ctH / SI1
OriginNatural
CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI 716503425
Side View
Table 63.0%Crown 36.8°Girdle: STK-VTKPavilion 41.6°Culet: NoneDepth 61.3%

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: Oct 30
Current: £69,270 GBP|Low: £44,131 GBP|High: £69,731 GBP|Avg: £51,078 GBP|-0.7%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
October 30, 2026
Retailer 3£44,131 GBP
Retailer 9£45,955 GBP
Retailer 7£46,129 GBP
Retailer 2£47,051 GBP
Retailer 11£47,108 GBP
Retailer 4£48,697 GBP
Retailer 5£50,726 GBP
Retailer 10£52,690 GBP
Retailer 6£52,755 GBP
Retailer 8£54,784 GBP
MOH London£69,270 GBP

16 data points across 11 retailers

11 retailers£44,131 GBP to £69,270 GBP

A
Cheapest Retailer
-
£44,131 GBP
$59,131 USD
Retailer 2
-
£45,955 GBP
$61,575 USD
View
Price last confirmed 12 days ago
Retailer 3
-
£46,129 GBP
View
Price last confirmed 7 days ago
A
Retailer 4
-
£47,051 GBP
View
B+
Retailer 5
-
£47,108 GBP
$63,120 USD
View
B+
Retailer 6
-
£48,697 GBP
$65,249 USD
View
B+
Retailer 7
-
£50,726 GBP
$67,967 USD
View
Retailer 8
-
£52,690 GBP
ZAR 1,140,532 ZAR
View
Price last confirmed 20 days ago
B+
Retailer 9
-
£52,755 GBP
$70,686 USD
View
Retailer 10
-
£54,784 GBP
$73,405 USD
View
Price last confirmed 12 days ago
Most Expensive
B
MOH London
43A69A942 · Oct 29
£69,270 GBP
View
10 more retailers have this diamond
Prices start from £44,131 GBPSave up to £25,139 GBP

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
5.03ct Heart
£44,131 GBP