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Heart|Natural|GIA

1.50ct J SI1 Heart Natural Diamond

EX • J/SI1 • GIA 7533786664

Certificate GIA 7533786664

Diamond specifications and retailer prices

From £1,999 GBP
As of November 6, 2026
Save £2,366 GBP (54%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: £4,559 GBP at NZ Jewellers · As of October 18, 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 J colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 7533786664. Listed at 17 retailers as of November 4, 2026, with a 118% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. 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
J
Colour
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishVery Good
SymmetryVery Good
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 7533786664
Dimensions7.00 × 8.00 × 4.51 mm
L/W Ratio1.14
Girdle conditionFaceted
Culet sizeNone
Key to symbols
Feather, Cloud, Crystal, Needle, Natural
Top View
7.00 mm8.00 mm1.50 ctJ / SI1
OriginNatural
CutExcellent
PolishVery Good
SymmetryVery Good
FluorescenceNone
CertificateGIA 7533786664
Side View
Table 59.0%CrownGirdle: THK-VTKPavilionCulet: NoneDepth 56.4%

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: £4,559 GBP|Low: £1,979 GBP|High: £4,559 GBP|Avg: £2,886 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
November 6, 2026
Retailer 11£1,999 GBP
Retailer 9£2,025 GBP
Retailer 2£2,115 GBP
Retailer 4£2,616 GBP
Retailer 13£2,616 GBP
Retailer 7£2,708 GBP
Retailer 3£2,725 GBP
Retailer 6£2,773 GBP
Retailer 5£2,823 GBP
Retailer 12£3,019 GBP
Retailer 8£3,193 GBP
Retailer 10£4,365 GBP
NZ Jewellers£4,559 GBP

35 data points across 13 retailers

17 retailers£1,999 GBP to £4,365 GBP

A
Cheapest Retailer
-
£1,999 GBP
A
Retailer 2
-
£2,025 GBP
View
A
Retailer 3
-
£2,115 GBP
View
B+
Retailer 4
-
£2,465 GBP
View
B+
Retailer 5
-
£2,465 GBP
View
Retailer 6
-
£2,616 GBP
View
Price last confirmed 22 days ago
Retailer 7
-
£2,616 GBP
View
Price last confirmed 20 days ago
B+
Retailer 8
-
£2,708 GBP
View
Retailer 9
-
£2,717 GBP
View
Price last confirmed 22 days ago
B+
Retailer 10
-
£2,725 GBP
View
B+
Retailer 11
-
£2,773 GBP
View
Retailer 12
-
£2,823 GBP
View
Price last confirmed 30 days ago
B+
Retailer 13
-
£2,912 GBP
View
Retailer 14
-
£3,019 GBP
View
Price last confirmed 19 days ago
B+
Retailer 15
-
£3,193 GBP
View
B
Retailer 16
-
£4,365 GBP
View
Most Expensive
NZ Jewellers
5df4de20-f5ed-474a-99fd-bef6ca848ee7 · Oct 18
£4,559 GBP
$6,102 USD
View
Price last confirmed 20 days ago
16 more retailers have this diamond
Prices start from £1,999 GBPSave up to £2,366 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
£1,999 GBP