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Heart|Natural|GIA

0.76ct J SI1 Heart Natural Diamond

ID • J/SI1 • GIA 6545739906

Certificate GIA 6545739906

Diamond specifications and retailer prices

From £400 GBP
As of November 6, 2026
Save £1,369 GBP (77%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: £1,769 GBP at NZ Jewellers · As of November 5, 2026
View at NZ Jewellers

About this 0.76ct natural heart diamond

This 0.76ct natural heart sits in the just-under-one-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 6545739906. Listed at 12 retailers as of November 5, 2026, with prices from £400 to £1,769, a £1,369 spread on the same certified stone. NZ Jewellers lists it at £1,769. 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

0.76
Carat
J
Colour
SI1
Clarity
Ideal
Cut (retailer stated)

Specifications

Cut (retailer stated)Ideal
PolishExcellent
SymmetryVery Good
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 6545739906
Dimensions5.50 × 6.39 × 3.65 mm
L/W Ratio1.16
Top View
5.50 mm6.39 mm0.76 ctJ / SI1
OriginNatural
CutIdeal
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateGIA 6545739906
Side View
Table 56.0%CrownGirdle: MediumPavilionCulet: NoneDepth 57.1%

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: £1,769 GBP|Low: £391 GBP|High: £1,769 GBP|Avg: £780 GBP|+1.2%
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
November 6, 2026
Retailer 3£400 GBP
Retailer 2£418 GBP
Retailer 9£564 GBP
Retailer 12£573 GBP
Retailer 10£655 GBP
Retailer 11£663 GBP
Retailer 6£666 GBP
Retailer 5£795 GBP
Retailer 4£838 GBP
Retailer 7£842 GBP
Retailer 8£1,031 GBP
NZ Jewellers£1,769 GBP

35 data points across 12 retailers

12 retailers£400 GBP to £1,769 GBP

A
Cheapest Retailer
-
£400 GBP
Final sale: no returns
A
Retailer 2
-
£418 GBP
View
A
Retailer 3
-
£564 GBP
View
A
Retailer 4
-
£573 GBP
View
A
Retailer 5
-
£655 GBP
View
B+
Retailer 6
-
£663 GBP
View
B+
Retailer 7
-
£666 GBP
View
B+
Retailer 8
-
£795 GBP
View
Retailer 9
-
£838 GBP
View
Price last confirmed 34 days ago
B+
Retailer 10
-
£842 GBP
View
B+
Retailer 11
-
£1,031 GBP
View
Most Expensive
B
NZ Jewellers
8ef830f1-5158-4dad-b167-0d9c2b7732ce · Nov 5
£1,769 GBP
$2,368 USD
View
11 more retailers have this diamond
Prices start from £400 GBPSave up to £1,369 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
0.76ct Heart
£400 GBP