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Heart|Natural|GIA

1.50ct F SI1 Heart Natural Diamond

EX • F/SI1 • GIA 2557119730

Certificate GIA 2557119730

Diamond specifications and retailer prices

From £3,100 GBP
$4,160 USD
As of November 1, 2026
Save £3,224 GBP (51%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: £6,324 GBP at NZ Jewellers · As of October 30, 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 F colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 2557119730. Listed at 18 retailers as of October 30, 2026, with prices from £3,100 to £6,324, a £3,224 spread on the same certified stone. NZ Jewellers lists it at £6,324. 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
F
Colour
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle37.53°
Pavilion angle44.09°
OriginNatural
Grading LabGIA
CertificateGIA 2557119730
Dimensions6.72 × 7.86 × 4.85 mm
L/W Ratio1.17
Top View
6.72 mm7.86 mm1.50 ctF / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 2557119730
Side View
Table 61.0%Crown 37.53°Girdle: Very ThickPavilion 44.09°Culet: NoneDepth 61.7%

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 1
Current: £6,324 GBP|Low: £3,100 GBP|High: £6,520 GBP|Avg: £4,182 GBP|-3.0%
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
Retailer 15
Retailer 16
Retailer 17
November 2, 2026
Retailer 5£3,100 GBP
Retailer 3£3,166 GBP
Retailer 16£3,327 GBP
Retailer 6£3,350 GBP
Retailer 10£3,396 GBP
Retailer 15£3,420 GBP
Retailer 12£3,610 GBP
Retailer 2£3,631 GBP
Retailer 7£3,742 GBP
Retailer 8£3,742 GBP
Retailer 13£3,743 GBP
Retailer 9£3,772 GBP
Retailer 11£4,108 GBP
Retailer 4£4,189 GBP
Retailer 17£4,462 GBP
Retailer 14£5,782 GBP
NZ Jewellers£6,324 GBP

29 data points across 17 retailers

18 retailers£3,100 GBP to £6,324 GBP

A
Cheapest Retailer
-
£3,100 GBP
$4,160 USD
A
Retailer 2
-
£3,166 GBP
$4,248 USD
View
A
Retailer 3
-
£3,327 GBP
$4,464 USD
View
A
Retailer 4
-
£3,350 GBP
$4,496 USD
View
Final sale: no returns
A
Retailer 5
-
£3,396 GBP
View
A
Retailer 6
-
£3,420 GBP
$4,590 USD
View
A
Retailer 7
-
£3,610 GBP
View
A
Retailer 8
-
£3,631 GBP
$4,872 USD
View
B+
Retailer 9
-
£3,742 GBP
$5,022 USD
View
B+
Retailer 10
-
£3,742 GBP
$5,022 USD
View
B+
Retailer 11
-
£3,743 GBP
$5,023 USD
View
Retailer 12
-
£3,772 GBP
A$7,788 AUD
View
Price last confirmed 23 days ago
B+
Retailer 13
-
£3,870 GBP
$5,193 USD
View
B+
Retailer 14
-
£4,108 GBP
€5,250 EUR
View
B+
Retailer 15
-
£4,189 GBP
$5,621 USD
View
B+
Retailer 16
-
£4,462 GBP
ZAR 96,738 ZAR
View
B+
Retailer 17
-
£5,782 GBP
View
Most Expensive
B
NZ Jewellers
37343123-731b-4b94-9eb7-a04980f02144 · Oct 30
£6,324 GBP
$8,487 USD
View
17 more retailers have this diamond
Prices start from £3,100 GBPSave up to £3,224 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
£3,100 GBP