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Heart|Natural|IGI

1.51ct K VVS2 Heart Natural Diamond

VG • K/VVS2 • IGI 737518974

Shape and cutting style on the report: Heart brilliant

Certificate IGI 737518974

Diamond specifications and retailer prices

From £1,831 GBP
As of November 2, 2026
Save £2,262 GBP (55%) vs most expensive(unlock to see where)
7 retailers carry this diamond
Most expensive: £4,093 GBP at NZ Jewellers · As of November 3, 2026
View at NZ Jewellers

About this 1.51ct natural heart diamond

This 1.51ct natural heart sits in the one-and-a-half to two carat band, graded K colour (faint-tinted) and VVS2 clarity (very-very-slightly-included), with a very-good cut grade and certified by IGI 737518974. Listed at 7 retailers as of November 2, 2026, with prices from £1,831 to £4,093, a £2,262 spread on the same certified stone. NZ Jewellers lists it at £4,093. 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

1.51
Carat
K
Colour
VVS2
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.3°
Pavilion angle41.8°
OriginNatural
Grading LabIGI
CertificateIGI 737518974
Dimensions6.87 × 8.09 × 4.71 mm
L/W Ratio1.18
Girdle conditionFaceted
Culet sizePointed
Top View
6.87 mm8.09 mm1.51 ctK / VVS2
OriginNatural
CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI 737518974
Side View
Table 61.0%Crown 34.3°Girdle: MED-THKPavilion 41.8°Culet: NoneDepth 58.2%

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 2
Current: £4,093 GBP|Low: £1,830 GBP|High: £4,133 GBP|Avg: £2,485 GBP|-1.0%
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
November 2, 2026
Retailer 2£1,831 GBP
Retailer 4£1,883 GBP
Retailer 6£1,957 GBP
Retailer 7£2,032 GBP
Retailer 5£2,033 GBP
Retailer 9£2,319 GBP
Retailer 8£2,377 GBP
Retailer 3£3,430 GBP
NZ Jewellers£4,093 GBP

31 data points across 9 retailers

7 retailers£1,831 GBP to £4,093 GBP

A
Cheapest Retailer
-
£1,831 GBP
A
Retailer 2
-
£1,883 GBP
View
A
Retailer 3
-
£1,957 GBP
View
A
Retailer 4
-
£2,032 GBP
View
A
Retailer 5
-
£2,033 GBP
View
B+
Retailer 6
-
£3,430 GBP
View
Most Expensive
B
NZ Jewellers
c9f8969f-37e9-47a4-a555-01e821920009 · Nov 3
£4,093 GBP
$5,478 USD
View
6 more retailers have this diamond
Prices start from £1,831 GBPSave up to £2,262 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
1.51ct Heart
£1,831 GBP