Heart|Natural|IGI

1.51ct K VVS1 Heart Natural Diamond

EX • K/VVS1 • IGI 747549366

Shape and cutting style on the report: Heart brilliant

Certificate IGI 747549366

Diamond specifications and retailer prices

From £1,724 GBP
As of November 2, 2026
Save £1,599 GBP (48%) vs most expensive(unlock to see where)
7 retailers carry this diamond
Most expensive: £3,966 GBP at NZ Jewellers · As of October 30, 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 VVS1 clarity (very-very-slightly-included), with a top-tier cut grade and certified by IGI 747549366. Listed at 7 retailers as of November 2, 2026, with a 93% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.51
Carat
K
Colour
VVS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.2°
Pavilion angle41.9°
OriginNatural
Grading LabIGI
CertificateIGI 747549366
Dimensions7.23 × 7.97 × 4.62 mm
L/W Ratio1.10
Girdle conditionFaceted
Culet sizePointed
Top View
7.23 mm7.97 mm1.51 ctK / VVS1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI 747549366
Side View
Table 64.0%Crown 36.2°Girdle: MED-STKPavilion 41.9°Culet: NoneDepth 58.0%

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: £3,966 GBP|Low: £1,724 GBP|High: £4,006 GBP|Avg: £2,339 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£1,724 GBP
Retailer 8£1,824 GBP
Retailer 4£1,827 GBP
Retailer 6£1,897 GBP
Retailer 7£1,972 GBP
Retailer 5£1,984 GBP
Retailer 9£2,201 GBP
Retailer 3£3,323 GBP
NZ Jewellers£3,966 GBP

30 data points across 9 retailers

7 retailers£1,724 GBP to £3,323 GBP

A
Cheapest Retailer
-
£1,724 GBP
A
Retailer 2
-
£1,827 GBP
View
A
Retailer 3
-
£1,897 GBP
View
A
Retailer 4
-
£1,972 GBP
View
Retailer 5
-
£1,984 GBP
View
Price last confirmed 8 days ago
B+
Retailer 6
-
£3,323 GBP
View
Most Expensive
NZ Jewellers
fe6be002-5fee-44c9-b90b-96e6677bf235 · Oct 30
£3,966 GBP
$5,308 USD
View
Price last confirmed 7 days ago
6 more retailers have this diamond
Prices start from £1,724 GBPSave up to £1,599 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
£1,724 GBP