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Heart|Natural|IGI

1.20ct H VVS1 Heart Natural Diamond

VG • H/VVS1 • IGI 646466608

Shape and cutting style on the report: Heart brilliant

Certificate IGI 646466608

Diamond specifications and retailer prices

From £3,870 GBP
As of November 6, 2026
Save £2,408 GBP (38%) vs most expensive(unlock to see where)
2 retailers carry this diamond
Most expensive: £6,278 GBP at MOH London · As of November 4, 2026
View at MOH London

About this 1.2ct natural heart diamond

This 1.2ct natural heart sits in the classic one-carat band, graded H colour (near-colourless) and VVS1 clarity (very-very-slightly-included), with a very-good cut grade and certified by IGI 646466608. Listed at 2 retailers as of November 4, 2026, with prices from £3,870 to £6,278, a £2,408 spread on the same certified stone. MOH London lists it at £6,278. 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

1.20
Carat
H
Colour
VVS1
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishExcellent
SymmetryVery Good
FluorescenceNone
Crown angle34.9°
Pavilion angle37.8°
OriginNatural
Grading LabIGI
CertificateIGI 646466608
Dimensions6.43 × 7.47 × 4.21 mm
L/W Ratio1.16
Girdle conditionFaceted
Culet sizePointed
Top View
6.43 mm7.47 mm1.20 ctH / VVS1
OriginNatural
CutVery Good
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateIGI 646466608
Side View
Table 59.0%Crown 34.9°Girdle: MED-THKPavilion 37.8°Culet: NoneDepth 56.4%

Caratlytics Score

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B
Good
Decent quality, room for better deals
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 6
Current: £6,278 GBP|Low: £3,490 GBP|High: £6,370 GBP|Avg: £4,528 GBP|-0.3%
MOH London
Retailer 2
Retailer 3
Retailer 4
November 6, 2026
Retailer 3£3,490 GBP
Retailer 2£3,870 GBP
Retailer 4£4,371 GBP
MOH London£6,278 GBP

41 data points across 4 retailers

2 retailers£3,870 GBP to £6,278 GBP

B
Cheapest Retailer
-
£3,870 GBP
Most Expensive
B
MOH London
917DD67F8 · Nov 4
£6,278 GBP
View
1 more retailer has this diamond
Prices start from £3,870 GBPSave up to £2,408 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
1.20ct Heart
£3,870 GBP