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Heart|Natural|IGI

0.78ct I VVS1 Heart Natural Diamond

VG • I/VVS1 • IGI 746533246

Shape and cutting style on the report: Heart brilliant

Certificate IGI 746533246

Diamond specifications and retailer prices

From £579 GBP
As of November 6, 2026
Save £634 GBP (52%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: £1,970 GBP at NZ Jewellers · As of September 30, 2026
View at NZ Jewellers

About this 0.78ct natural heart diamond

This 0.78ct natural heart sits in the just-under-one-carat band, graded I colour (near-colourless) and VVS1 clarity (very-very-slightly-included), with a very-good cut grade and certified by IGI 746533246. Listed at 15 retailers as of November 2, 2026, with a 109% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. 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

0.78
Carat
I
Colour
VVS1
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.3°
Pavilion angle43.2°
OriginNatural
Grading LabIGI
CertificateIGI 746533246
Dimensions5.38 × 6.31 × 3.93 mm
L/W Ratio1.17
Girdle conditionFaceted
Culet sizePointed
Top View
5.38 mm6.31 mm0.78 ctI / VVS1
OriginNatural
CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI 746533246
Side View
Table 62.0%Crown 36.3°Girdle: MED-THKPavilion 43.2°Culet: NoneDepth 62.3%

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: £786 GBP|Low: £531 GBP|High: £1,242 GBP|Avg: £759 GBP|+7.8%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
November 7, 2026
Retailer 4£579 GBP
Retailer 2£628 GBP
Retailer 6£665 GBP
Retailer 11£669 GBP
Retailer 10£682 GBP
Retailer 3£725 GBP
Retailer 9£746 GBP
Retailer 7£761 GBP
Retailer 1£786 GBP
Retailer 5£988 GBP
Retailer 8£1,213 GBP

44 data points across 11 retailers

15 retailers£579 GBP to £1,213 GBP

A
Cheapest Retailer
-
£579 GBP
Final sale: no returns
Retailer 2
-
£628 GBP
View
Price last confirmed 37 days ago
Retailer 3
-
£628 GBP
View
Price last confirmed 22 days ago
Retailer 4
-
£652 GBP
View
Price last confirmed 37 days ago
A
Retailer 5
-
£665 GBP
View
A
Retailer 6
-
£669 GBP
View
A
Retailer 7
-
£682 GBP
View
Retailer 8
-
£725 GBP
View
Price last confirmed 62 days ago
Retailer 9
-
£725 GBP
View
Price last confirmed 39 days ago
A
Retailer 10
-
£746 GBP
View
A
Retailer 11
-
£761 GBP
View
A
Retailer 12
-
£786 GBP
View
B+
Retailer 13
-
£988 GBP
View
B+
Retailer 14
-
£1,213 GBP
View
Most Expensive
NZ Jewellers
f8a50659-06dc-4974-beb7-3addf9473ae1 · Sep 30
£1,970 GBP
$2,637 USD
View
Price last confirmed 37 days ago
14 more retailers have this diamond
Prices start from £579 GBPSave up to £634 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
0.78ct Heart
£579 GBP