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Heart|Natural|GIA

0.80ct J SI1 Heart Natural Diamond

EX • J/SI1 • GIA 7566229336

Certificate GIA 7566229336

Diamond specifications and retailer prices

From £671 GBP
As of November 4, 2026
Save £423 GBP (39%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: £1,094 GBP at Wholesale Diamonds Direct · As of November 6, 2026
View at Wholesale Diamonds Direct

About this 0.8ct natural heart diamond

This 0.8ct 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 7566229336. Listed at 10 retailers as of November 4, 2026, with prices from £671 to £1,094, a £423 spread on the same certified stone. Wholesale Diamonds Direct lists it at £1,094. 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

0.80
Carat
J
Colour
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.05°
Pavilion angle40.22°
OriginNatural
Grading LabGIA
CertificateGIA 7566229336
Dimensions5.55 × 6.42 × 3.84 mm
L/W Ratio1.16
Culet sizeNone
Top View
5.55 mm6.42 mm0.80 ctJ / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 7566229336
Side View
Table 57.0%Crown 33.05°Girdle: STK-VTKPavilion 40.22°Culet: NoneDepth 59.7%

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 4
Current: £842 GBP|Low: £671 GBP|High: £1,094 GBP|Avg: £819 GBP
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Wholesale Diamonds Direct
November 6, 2026
Retailer 5£671 GBP
Retailer 3£695 GBP
Retailer 2£770 GBP
Retailer 4£835 GBP
Retailer 1£842 GBP
Wholesale Diamonds Direct£1,094 GBP

43 data points across 6 retailers

10 retailers£671 GBP to £1,094 GBP

A
Cheapest Retailer
-
£671 GBP
A
Retailer 2
-
£680 GBP
View
A
Retailer 3
-
£695 GBP
View
B+
Retailer 4
-
£721 GBP
View
B+
Retailer 5
-
£731 GBP
View
B+
Retailer 6
-
£740 GBP
View
B+
Retailer 7
-
£770 GBP
View
B+
Retailer 8
-
£835 GBP
View
B+
Retailer 9
-
£842 GBP
View
Most Expensive
B
Wholesale Diamonds Direct
398470007 · Nov 6
£1,094 GBP
$1,464 USD
View
9 more retailers have this diamond
Prices start from £671 GBPSave up to £423 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
0.80ct Heart
£671 GBP