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Heart|Natural|GIA

1.50ct D SI2 Heart Natural Diamond

EX • D/SI2 • GIA 7418878736

Certificate GIA 7418878736

Diamond specifications and retailer prices

From £3,603 GBP
As of November 4, 2026
Save £4,024 GBP (53%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: £7,627 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 D colour (colourless) and SI2 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 7418878736. Listed at 10 retailers as of November 4, 2026, with prices from £3,603 to £7,627, a £4,024 spread on the same certified stone. NZ Jewellers lists it at £7,627. SI-grade stones are eye-clean roughly 60 to 70% of the time at this carat range. Check the inclusion plot on the cert and ask the retailer for high-resolution video before buying.

The 4Cs

1.50
Carat
D
Colour
SI2
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryVery Good
FluorescenceStrong
OriginNatural
Grading LabGIA
CertificateGIA 7418878736
Dimensions6.57 × 7.90 × 4.57 mm
L/W Ratio1.20
Top View
6.57 mm7.90 mm1.50 ctD / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceStrong
CertificateGIA 7418878736
Side View
Table 59.0%CrownGirdle: THN-VTKPavilionCulet: NoneDepth 57.9%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 4
Current: £7,627 GBP|Low: £3,594 GBP|High: £7,627 GBP|Avg: £4,882 GBP
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
November 6, 2026
Retailer 4£3,594 GBP
Retailer 9£3,603 GBP
Retailer 8£4,132 GBP
Retailer 12£4,132 GBP
Retailer 13£4,132 GBP
Retailer 2£4,306 GBP
Retailer 10£4,349 GBP
Retailer 11£4,616 GBP
Retailer 14£4,767 GBP
Retailer 3£5,029 GBP
Retailer 6£5,337 GBP
Retailer 5£5,437 GBP
Retailer 7£6,700 GBP
NZ Jewellers£7,627 GBP

43 data points across 14 retailers

10 retailers£3,603 GBP to £7,627 GBP

A
Cheapest Retailer
-
£3,603 GBP
A
Retailer 2
-
£4,132 GBP
View
Retailer 3
-
£4,132 GBP
View
Price last confirmed 8 days ago
A
Retailer 4
-
£4,132 GBP
View
A
Retailer 5
-
£4,306 GBP
View
B+
Retailer 6
-
£4,616 GBP
View
B+
Retailer 7
-
£4,767 GBP
View
Retailer 8
-
£5,029 GBP
View
Price last confirmed 14 days ago
B
Retailer 9
-
£6,700 GBP
View
Most Expensive
B
NZ Jewellers
fa5bd0d7-80a0-4fca-a068-e68f3a025769 · Nov 5
£7,627 GBP
$10,209 USD
View
9 more retailers have this diamond
Prices start from £3,603 GBPSave up to £4,024 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
£3,603 GBP