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Heart|Natural|GIA

1.50ct J SI1 Heart Natural Diamond

EX • J/SI1 • GIA 6552611003

Certificate GIA 6552611003

Diamond specifications and retailer prices

From £2,115 GBP
As of November 6, 2026
Save £769 GBP (27%) vs most expensive(unlock to see where)
8 retailers carry this diamond
Most expensive: £2,884 GBP at GemTrove · As of November 6, 2026
View at GemTrove

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 6552611003. Listed at 8 retailers as of November 6, 2026, with prices from £2,115 to £2,884, a £769 spread on the same certified stone. GemTrove lists it at £2,884. 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
PolishExcellent
SymmetryVery Good
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 6552611003
Dimensions7.32 × 7.91 × 4.53 mm
L/W Ratio1.08
Culet sizeNone
Key to symbols
Twinning Wisp, Feather, Indented Natural, Needle
Top View
7.32 mm7.91 mm1.50 ctJ / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateGIA 6552611003
Side View
Table 57.0%CrownGirdle: MED-THKPavilionCulet: NoneDepth 57.3%

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: £2,115 GBP|Low: £1,889 GBP|High: £2,883 GBP|Avg: £2,350 GBP|-1.8%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
November 6, 2026
Retailer 1£2,115 GBP
Retailer 4£2,115 GBP
Retailer 3£2,138 GBP
Retailer 7£2,170 GBP
Retailer 2£2,243 GBP
Retailer 6£2,461 GBP
Retailer 5£2,510 GBP

42 data points across 7 retailers

8 retailers£2,115 GBP to £2,884 GBP

A
Cheapest Retailer
-
£2,115 GBP
A
Retailer 2
-
£2,115 GBP
View
A
Retailer 3
-
£2,138 GBP
View
Final sale: no returns
A
Retailer 4
-
£2,170 GBP
View
A
Retailer 5
-
£2,243 GBP
View
A
Retailer 6
-
£2,461 GBP
View
A
Retailer 7
-
£2,510 GBP
View
Most Expensive
B+
GemTrove
GT-N-01269814-98 · Nov 6
£2,884 GBP
A$5,938 AUD
View
7 more retailers have this diamond
Prices start from £2,115 GBPSave up to £769 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
£2,115 GBP