Heart|Natural|GIA

1.50ct D SI2 Heart Natural Diamond

ID • D/SI2 • GIA 6545519761

Certificate GIA 6545519761

Diamond specifications and retailer prices

From £3,478 GBP
As of November 6, 2026
Save £4,286 GBP (55%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: £7,764 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 6545519761. Listed at 15 retailers as of November 5, 2026, with prices from £3,478 to £7,764, a £4,286 spread on the same certified stone. NZ Jewellers lists it at £7,764. 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
Ideal
Cut (retailer stated)

Specifications

Cut (retailer stated)Ideal
PolishVery Good
SymmetryExcellent
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 6545519761
Dimensions7.87 × 6.50 × 4.76 mm
L/W Ratio1.21
Top View
7.87 mm6.50 mm1.50 ctD / SI2
OriginNatural
CutIdeal
PolishVery Good
SymmetryExcellent
FluorescenceNone
CertificateGIA 6545519761
Side View
Table 63.0%CrownGirdle: Very ThickPavilionCulet: NoneDepth 60.4%

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 6
Current: £7,764 GBP|Low: £3,204 GBP|High: £7,764 GBP|Avg: £4,711 GBP|+1.0%
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 6, 2026
Retailer 12£3,478 GBP
Retailer 4£3,527 GBP
Retailer 17£3,845 GBP
Retailer 5£4,109 GBP
Retailer 13£4,205 GBP
Retailer 14£4,205 GBP
Retailer 15£4,205 GBP
Retailer 2£4,350 GBP
Retailer 3£4,399 GBP
Retailer 7£4,692 GBP
Retailer 8£4,692 GBP
Retailer 6£4,849 GBP
Retailer 16£4,852 GBP
Retailer 9£4,859 GBP
Retailer 10£5,044 GBP
Retailer 11£6,839 GBP
NZ Jewellers£7,764 GBP

35 data points across 17 retailers

15 retailers£3,478 GBP to £7,764 GBP

A
Cheapest Retailer
-
£3,478 GBP
A
Retailer 2
-
£3,527 GBP
View
A
Retailer 3
-
£3,845 GBP
View
Final sale: no returns
A
Retailer 4
-
£4,109 GBP
View
A
Retailer 5
-
£4,205 GBP
View
A
Retailer 6
-
£4,205 GBP
View
A
Retailer 7
-
£4,350 GBP
View
B+
Retailer 8
-
£4,399 GBP
View
B+
Retailer 9
-
£4,692 GBP
View
B+
Retailer 10
-
£4,692 GBP
View
B+
Retailer 11
-
£4,849 GBP
View
B+
Retailer 12
-
£4,852 GBP
View
B+
Retailer 13
-
£5,044 GBP
View
B
Retailer 14
-
£6,839 GBP
View
Most Expensive
B
NZ Jewellers
fc3eb3b4-052e-4c7f-9ce5-96ae64480a2d · Nov 5
£7,764 GBP
$10,392 USD
View
14 more retailers have this diamond
Prices start from £3,478 GBPSave up to £4,286 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
£3,478 GBP