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Heart|Natural|IGI

3.03ct I SI1 Heart Natural Diamond

VG • I/SI1 • IGI 656476294

Shape and cutting style on the report: Heart brilliant

Certificate IGI 656476294

Diamond specifications and retailer prices

From £9,539 GBP
₹1,217,309 INR
As of November 1, 2026
Save £7,725 GBP (45%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: £17,265 GBP at MOH London · As of November 1, 2026
View at MOH London

About this 3.03ct natural heart diamond

This 3.03ct natural heart sits in the three to five carat band, graded I colour (near-colourless) and SI1 clarity (slightly-included), with a very-good cut grade and certified by IGI 656476294. Listed at 13 retailers as of November 1, 2026, with prices from £9,539 to £17,265, a £7,725 spread on the same certified stone. MOH London lists it at £17,265. 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

3.03
Carat
I
Colour
SI1
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle37.1°
Pavilion angle39.5°
OriginNatural
Grading LabIGI
CertificateIGI 656476294
Dimensions8.49 × 9.80 × 5.95 mm
L/W Ratio1.15
Girdle conditionFaceted
Culet sizePointed
Top View
8.49 mm9.80 mm3.03 ctI / SI1
OriginNatural
CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI 656476294
Side View
Table 57.0%Crown 37.1°Girdle: STK-VTKPavilion 39.5°Culet: NoneDepth 60.7%

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 1
Current: £17,265 GBP|Low: £9,520 GBP|High: £18,112 GBP|Avg: £13,398 GBP|-4.4%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
November 2, 2026
Retailer 6£9,539 GBP
Retailer 5£11,159 GBP
Retailer 4£11,218 GBP
Retailer 2£11,815 GBP
Retailer 12£11,949 GBP
Retailer 3£12,202 GBP
Retailer 8£12,281 GBP
Retailer 13£13,016 GBP
Retailer 7£13,219 GBP
Retailer 10£13,727 GBP
Retailer 9£14,330 GBP
Retailer 11£15,661 GBP
MOH London£17,265 GBP

26 data points across 13 retailers

13 retailers£9,539 GBP to £17,265 GBP

A
Cheapest Retailer
-
£9,539 GBP
₹1,217,309 INR
B+
Retailer 2
-
£11,159 GBP
$14,952 USD
View
B+
Retailer 3
-
£11,218 GBP
$15,031 USD
View
A
Retailer 4
-
£11,815 GBP
View
B+
Retailer 5
-
£11,949 GBP
$16,010 USD
View
Retailer 6
-
£12,202 GBP
$16,350 USD
View
Price last confirmed 7 days ago
A
Retailer 7
-
£12,281 GBP
View
Retailer 8
-
£13,016 GBP
$17,440 USD
View
Price last confirmed 7 days ago
A
Retailer 9
-
£13,219 GBP
$17,712 USD
View
B+
Retailer 10
-
£13,727 GBP
$18,393 USD
View
B+
Retailer 11
-
£14,330 GBP
ZAR 310,194 ZAR
View
B+
Retailer 12
-
£15,661 GBP
$20,984 USD
View
Most Expensive
B+
MOH London
1D3F5E132 · Nov 1
£17,265 GBP
View
12 more retailers have this diamond
Prices start from £9,539 GBPSave up to £7,725 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
3.03ct Heart
£9,539 GBP