CaratHunter
Plans
Heart|Natural|IGI

1.03ct I VS1 Heart Natural Diamond

VG • I/VS1 • IGI 743536110

Shape and cutting style on the report: Heart brilliant

Certificate IGI 743536110

Diamond specifications and retailer prices

From £1,214 GBP
As of November 4, 2026
Save £1,152 GBP (49%) vs most expensive(unlock to see where)
9 retailers carry this diamond
Most expensive: £3,637 GBP at NZ Jewellers · As of September 25, 2026
View at NZ Jewellers

About this 1.03ct natural heart diamond

This 1.03ct natural heart sits in the classic one-carat band, graded I colour (near-colourless) and VS1 clarity (very-slightly-included), with a very-good cut grade and certified by IGI 743536110. Listed at 9 retailers as of November 4, 2026, with a 95% 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

1.03
Carat
I
Colour
VS1
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle37.1°
Pavilion angle39.4°
OriginNatural
Grading LabIGI
CertificateIGI 743536110
Dimensions6.10 × 7.01 × 4.14 mm
L/W Ratio1.15
Girdle conditionFaceted
Culet sizePointed
Top View
6.10 mm7.01 mm1.03 ctI / VS1
OriginNatural
CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI 743536110
Side View
Table 59.0%Crown 37.1°Girdle: MED-STKPavilion 39.4°Culet: NoneDepth 59.1%

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 4
Current: £1,372 GBP|Low: £1,210 GBP|High: £2,644 GBP|Avg: £1,660 GBP|+0.2%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
November 5, 2026
Retailer 5£1,214 GBP
Retailer 8£1,250 GBP
Retailer 1£1,372 GBP
Retailer 3£1,374 GBP
Retailer 6£1,475 GBP
Retailer 2£1,653 GBP
Retailer 7£2,118 GBP
Retailer 4£2,366 GBP

37 data points across 8 retailers

9 retailers£1,214 GBP to £2,366 GBP

A
Cheapest Retailer
-
£1,214 GBP
A
Retailer 2
-
£1,250 GBP
View
Final sale: no returns
A
Retailer 3
-
£1,372 GBP
View
A
Retailer 4
-
£1,374 GBP
View
A
Retailer 5
-
£1,475 GBP
View
B+
Retailer 6
-
£1,653 GBP
View
B+
Retailer 7
-
£2,118 GBP
View
B+
Retailer 8
-
£2,366 GBP
View
Most Expensive
NZ Jewellers
331d1501-fe68-43e6-ba24-4b45771c3935 · Sep 25
£3,637 GBP
$4,895 USD
View
Price last confirmed 41 days ago
8 more retailers have this diamond
Prices start from £1,214 GBPSave up to £1,152 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
1.03ct Heart
£1,214 GBP