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Heart|Natural|GIA

1.50ct H SI2 Heart Natural Diamond

ID • H/SI2 • GIA 1389853124

Certificate GIA 1389853124

Diamond specifications and retailer prices

From £2,563 GBP
As of November 6, 2026
Save £3,152 GBP (55%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: £5,715 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 SI2 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 1389853124. Listed at 19 retailers as of November 5, 2026, with prices from £2,563 to £5,715, a £3,152 spread on the same certified stone. NZ Jewellers lists it at £5,715. 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
H
Colour
SI2
Clarity
Ideal
Cut (retailer stated)

Specifications

Cut (retailer stated)Ideal
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 1389853124
Dimensions6.74 × 8.05 × 4.45 mm
L/W Ratio1.19
Culet sizeNone
Key to symbols
Feather, Crystal, Pinpoint
Top View
6.74 mm8.05 mm1.50 ctH / SI2
OriginNatural
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 1389853124
Side View
Table 59.0%CrownGirdle: STK-VTKPavilionCulet: NoneDepth 55.2%

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: £2,593 GBP|Low: £2,543 GBP|High: £5,287 GBP|Avg: £3,261 GBP|-1.9%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
November 6, 2026
Retailer 6£2,563 GBP
Retailer 1£2,593 GBP
Retailer 8£2,633 GBP
Retailer 9£2,938 GBP
Retailer 10£3,027 GBP
Retailer 7£3,117 GBP
Retailer 3£3,258 GBP
Retailer 2£3,280 GBP
Retailer 4£3,322 GBP
Retailer 5£5,210 GBP

44 data points across 10 retailers

19 retailers£2,563 GBP to £5,715 GBP

A
Cheapest Retailer
-
£2,563 GBP
A
Retailer 2
-
£2,593 GBP
View
Retailer 3
-
£2,633 GBP
View
Price last confirmed 10 days ago
A
Retailer 4
-
£2,801 GBP
View
A
Retailer 5
-
£2,886 GBP
View
A
Retailer 6
-
£3,027 GBP
View
Final sale: no returns
A
Retailer 7
-
£3,117 GBP
View
B+
Retailer 8
-
£3,258 GBP
View
Retailer 9
-
£3,280 GBP
View
Price last confirmed 21 days ago
B+
Retailer 10
-
£3,280 GBP
View
B+
Retailer 11
-
£3,280 GBP
View
A
Retailer 12
-
£3,322 GBP
View
B+
Retailer 13
-
£3,377 GBP
View
B+
Retailer 14
-
£3,391 GBP
View
B+
Retailer 15
-
£3,428 GBP
View
B+
Retailer 16
-
£3,785 GBP
View
B
Retailer 17
-
£5,000 GBP
View
B
Retailer 18
-
£5,210 GBP
View
Most Expensive
B
NZ Jewellers
8e9c0087-33cd-4911-827a-358d8597468e · Nov 5
£5,715 GBP
$7,649 USD
View
18 more retailers have this diamond
Prices start from £2,563 GBPSave up to £3,152 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
£2,563 GBP