CaratHunter
Plans
Heart|Natural|GIA

1.51ct E I1 Heart Natural Diamond

E/I1 • GIA 6501153894

Certificate GIA 6501153894

Diamond specifications and retailer prices

From £5,950 GBP
$7,973 USD
As of October 27, 2026
7 retailers carry this diamond
Most expensive: £6,807 GBP at NZ Jewellers · As of October 21, 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 E colour (colourless) and I1 clarity (included) and certified by GIA 6501153894. Listed at 7 retailers as of October 27, 2026. 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
E
Colour
I1
Clarity
-
Cut

Specifications

Cut
PolishVery Good
SymmetryVery Good
FluorescenceMedium
OriginNatural
Grading LabGIA
CertificateGIA 6501153894
Dimensions7.25 × 7.75 × 4.27 mm
L/W Ratio1.07
Top View
7.25 mm7.75 mm1.51 ctE / I1
OriginNatural
PolishVery Good
SymmetryVery Good
FluorescenceMedium
CertificateGIA 6501153894
Side View
Table 59.0%CrownGirdlePavilionCulet: NoneDepth 55.0%

Caratlytics Score

How it works →
B
Good
Decent quality, room for better deals
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 27
Current: £4,574 GBP|Low: £2,662 GBP|High: £5,950 GBP|Avg: £4,020 GBP|+1.9%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
October 23, 2026
Retailer 7£2,662 GBP
Retailer 5£3,247 GBP
Retailer 2£3,687 GBP
Retailer 4£3,687 GBP
Retailer 3£4,254 GBP
Retailer 1£4,574 GBP
Retailer 6£5,950 GBP

13 data points across 7 retailers

7 retailers

Retailer 1
-
£3,247 GBP
$4,350 USD
Price last confirmed 9 days ago
Retailer 2
-
£3,687 GBP
$4,940 USD
View
Price last confirmed 10 days ago
Retailer 3
-
£3,687 GBP
$4,940 USD
View
Price last confirmed 10 days ago
Retailer 4
-
£4,254 GBP
$5,700 USD
View
Price last confirmed 11 days ago
Retailer 5
-
£4,574 GBP
€5,837 EUR
View
Price last confirmed 9 days ago
B
Retailer 6
-
£5,950 GBP
$7,973 USD
View
Most Expensive
NZ Jewellers
9125a088-f101-4980-8977-917c84521fe6 · Oct 21
£6,807 GBP
$9,120 USD
View
Price last confirmed 11 days ago
6 more retailers have this diamond
Prices start from £5,950 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
1.51ct Heart
£5,950 GBP