Heart|Natural|IGI

0.80ct I SI1 Heart Natural Diamond

VG • I/SI1 • IGI 566320172

Shape and cutting style on the report: Heart brilliant

Certificate IGI 566320172

Diamond specifications and retailer prices

From £797 GBP
$1,070 USD
As of November 1, 2026
Save £727 GBP (48%) vs most expensive(unlock to see where)
7 retailers carry this diamond
Most expensive: £1,525 GBP at MOH London · As of November 2, 2026
View at MOH London

About this 0.8ct natural heart diamond

This 0.8ct natural heart sits in the just-under-one-carat band, graded I colour (near-colourless) and SI1 clarity (slightly-included), with a very-good cut grade and certified by IGI 566320172. Listed at 7 retailers as of November 1, 2026, with prices from £797 to £1,525, a £727 spread on the same certified stone. MOH London lists it at £1,525. 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

0.80
Carat
I
Colour
SI1
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishVery Good
SymmetryGood
FluorescenceNone
Crown angle41°
Pavilion angle39.5°
OriginNatural
Grading LabIGI
CertificateIGI 566320172
Dimensions5.43 × 6.42 × 3.89 mm
L/W Ratio1.18
Girdle conditionFaceted
Culet sizePointed
Top View
5.43 mm6.42 mm0.80 ctI / SI1
OriginNatural
CutVery Good
PolishVery Good
SymmetryGood
FluorescenceNone
CertificateIGI 566320172
Side View
Table 60.5%Crown 41°Girdle: THN-THKPavilion 39.5°Culet: NoneDepth 60.6%

Caratlytics Score

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

Price History

Last verified: Nov 1
Current: £1,525 GBP|Low: £797 GBP|High: £1,544 GBP|Avg: £1,030 GBP|-1.2%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
November 2, 2026
Retailer 8£797 GBP
Retailer 4£832 GBP
Retailer 5£882 GBP
Retailer 6£933 GBP
Retailer 2£965 GBP
Retailer 7£1,141 GBP
Retailer 3£1,231 GBP
MOH London£1,525 GBP

27 data points across 8 retailers

7 retailers£797 GBP to £1,525 GBP

B+
Cheapest Retailer
-
£797 GBP
$1,070 USD
Retailer 2
-
£832 GBP
$1,117 USD
View
Price last confirmed 17 days ago
B+
Retailer 3
-
£882 GBP
$1,183 USD
View
B+
Retailer 4
-
£933 GBP
$1,251 USD
View
B
Retailer 5
-
£965 GBP
View
B
Retailer 6
-
£1,231 GBP
ZAR 26,696 ZAR
View
Most Expensive
B
MOH London
2F04AE5BA · Nov 2
£1,525 GBP
View
6 more retailers have this diamond
Prices start from £797 GBPSave up to £727 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.

B+
0.80ct Heart
£797 GBP