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Heart|Natural|IGI

1.20ct J VS1 Heart Natural Diamond

VG • J/VS1 • IGI 692539726

Shape and cutting style on the report: Heart brilliant

Certificate IGI 692539726

Diamond specifications and retailer prices

From £1,125 GBP
As of November 2, 2026
Save £1,747 GBP (61%) vs most expensive(unlock to see where)
6 retailers carry this diamond
Most expensive: £2,873 GBP at NZ Jewellers · As of November 3, 2026
View at NZ Jewellers

About this 1.2ct natural heart diamond

This 1.2ct natural heart sits in the classic one-carat band, graded J colour (near-colourless) and VS1 clarity (very-slightly-included), with a very-good cut grade and certified by IGI 692539726. Listed at 6 retailers as of November 2, 2026, with prices from £1,125 to £2,873, a £1,747 spread on the same certified stone. NZ Jewellers lists it at £2,873. 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
J
Colour
VS1
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.5°
Pavilion angle43.6°
OriginNatural
Grading LabIGI
CertificateIGI 692539726
Dimensions6.18 × 7.46 × 4.52 mm
L/W Ratio1.21
Girdle conditionFaceted
Culet sizePointed
Top View
6.18 mm7.46 mm1.20 ctJ / VS1
OriginNatural
CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI 692539726
Side View
Table 60.0%Crown 35.5°Girdle: MED-THKPavilion 43.6°Culet: NoneDepth 60.6%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 2
Current: £2,873 GBP|Low: £1,124 GBP|High: £2,954 GBP|Avg: £1,640 GBP|-2.8%
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
November 2, 2026
Retailer 3£1,125 GBP
Retailer 6£1,178 GBP
Retailer 4£1,180 GBP
Retailer 5£1,232 GBP
Retailer 8£1,555 GBP
Retailer 7£1,562 GBP
Retailer 2£2,064 GBP
NZ Jewellers£2,873 GBP

30 data points across 8 retailers

6 retailers£1,125 GBP to £2,873 GBP

A
Cheapest Retailer
-
£1,125 GBP
A
Retailer 2
-
£1,178 GBP
View
A
Retailer 3
-
£1,180 GBP
View
A
Retailer 4
-
£1,232 GBP
View
B+
Retailer 5
-
£2,064 GBP
View
Most Expensive
B
NZ Jewellers
40799828-b9cf-41f7-b5f8-1d820d043bfc · Nov 3
£2,873 GBP
$3,845 USD
View
5 more retailers have this diamond
Prices start from £1,125 GBPSave up to £1,747 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
1.20ct Heart
£1,125 GBP