Heart|Natural|GIA

1.50ct H SI1 Heart Natural Diamond

VG • H/SI1 • GIA 7421090080

Certificate GIA 7421090080

Diamond specifications and retailer prices

From £3,157 GBP
As of November 6, 2026
Save £3,284 GBP (51%) vs most expensive(unlock to see where)
21 retailers carry this diamond
Most expensive: £6,441 GBP at NZ Jewellers · As of November 5, 2026
View at NZ Jewellers

About this 1.5ct natural heart diamond

This 1.5ct natural heart sits in the one-and-a-half to two carat band, graded H colour (near-colourless) and SI1 clarity (slightly-included), with a very-good cut grade stated by the retailer rather than the lab and certified by GIA 7421090080. Listed at 21 retailers as of November 5, 2026, with prices from £3,157 to £6,441, a £3,284 spread on the same certified stone. NZ Jewellers lists it at £6,441. 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

1.50
Carat
H
Colour
SI1
Clarity
Very Good
Cut (retailer stated)

Specifications

Cut (retailer stated)Very Good
PolishExcellent
SymmetryVery Good
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 7421090080
Dimensions7.65 × 7.15 × 4.22 mm
L/W Ratio1.07
Top View
7.65 mm7.15 mm1.50 ctH / SI1
OriginNatural
CutVery Good
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateGIA 7421090080
Side View
Table 57.0%CrownGirdle: MED-VTKPavilionCulet: NoneDepth 59.0%

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 6
Current: £4,046 GBP|Low: £3,412 GBP|High: £5,958 GBP|Avg: £4,128 GBP|+1.7%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
November 6, 2026
Retailer 6£3,412 GBP
Retailer 9£3,525 GBP
Retailer 2£3,640 GBP
Retailer 8£3,697 GBP
Retailer 7£3,727 GBP
Retailer 1£4,046 GBP
Retailer 5£4,395 GBP
Retailer 3£4,510 GBP
Retailer 4£5,872 GBP

40 data points across 9 retailers

21 retailers£3,157 GBP to £6,441 GBP

A
Cheapest Retailer
-
£3,157 GBP
B+
Retailer 2
-
£3,224 GBP
View
B+
Retailer 3
-
£3,278 GBP
View
B+
Retailer 4
-
£3,412 GBP
View
Final sale: no returns
B+
Retailer 5
-
£3,482 GBP
View
Retailer 6
-
£3,586 GBP
View
Price last confirmed 12 days ago
B+
Retailer 7
-
£3,640 GBP
View
Retailer 8
-
£3,697 GBP
View
Price last confirmed 9 days ago
B+
Retailer 9
-
£3,697 GBP
View
B+
Retailer 10
-
£3,697 GBP
View
Retailer 11
-
£3,727 GBP
View
Price last confirmed 29 days ago
B+
Retailer 12
-
£3,774 GBP
View
B+
Retailer 13
-
£3,810 GBP
View
B+
Retailer 14
-
£3,821 GBP
View
B+
Retailer 15
-
£4,046 GBP
View
B
Retailer 16
-
£4,096 GBP
View
B
Retailer 17
-
£4,265 GBP
View
B+
Retailer 18
-
£4,510 GBP
View
B
Retailer 19
-
£5,502 GBP
View
B
Retailer 20
-
£5,872 GBP
View
Most Expensive
B
NZ Jewellers
a8afc315-3038-4e80-8642-ae347daaa6bd · Nov 5
£6,441 GBP
$8,621 USD
View
20 more retailers have this diamond
Prices start from £3,157 GBPSave up to £3,284 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
1.50ct Heart
£3,157 GBP