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Heart|Natural|GIA

0.80ct K SI2 Heart Natural Diamond

EX • K/SI2 • GIA 7311720625

Certificate GIA 7311720625

Diamond specifications and retailer prices

From £574 GBP
As of November 6, 2026
Save £1,284 GBP (69%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: £1,857 GBP at NZ Jewellers · As of November 5, 2026
View at NZ Jewellers

About this 0.8ct natural heart diamond

This 0.8ct natural heart sits in the just-under-one-carat band, graded K colour (faint-tinted) and SI2 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 7311720625. Listed at 13 retailers as of November 5, 2026, with prices from £574 to £1,857, a £1,284 spread on the same certified stone. NZ Jewellers lists it at £1,857. 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
K
Colour
SI2
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryGood
FluorescenceMedium
OriginNatural
Grading LabGIA
CertificateGIA 7311720625
Dimensions5.01 × 6.31 × 3.92 mm
L/W Ratio1.26
Top View
5.01 mm6.31 mm0.80 ctK / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryGood
FluorescenceMedium
CertificateGIA 7311720625
Side View
Table 57.0%CrownGirdle: NULPavilionCulet: NoneDepth 62.0%

Caratlytics Score

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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: £793 GBP|Low: £564 GBP|High: £1,411 GBP|Avg: £934 GBP
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
November 6, 2026
Retailer 4£574 GBP
Retailer 1£793 GBP
Retailer 5£794 GBP
Retailer 7£835 GBP
Retailer 6£879 GBP
Retailer 2£884 GBP
Retailer 9£966 GBP
Retailer 8£1,110 GBP
Retailer 3£1,393 GBP

39 data points across 9 retailers

13 retailers£574 GBP to £1,857 GBP

A
Cheapest Retailer
-
£574 GBP
B+
Retailer 2
-
£745 GBP
View
Retailer 3
-
£761 GBP
View
Price last confirmed 8 days ago
B+
Retailer 4
-
£761 GBP
View
B+
Retailer 5
-
£790 GBP
View
B+
Retailer 6
-
£793 GBP
View
B+
Retailer 7
-
£794 GBP
View
B
Retailer 8
-
£879 GBP
View
B
Retailer 9
-
£879 GBP
View
B
Retailer 10
-
£884 GBP
View
B
Retailer 11
-
£1,085 GBP
View
B
Retailer 12
-
£1,393 GBP
View
Most Expensive
C
NZ Jewellers
6ec3c679-2e35-4def-b2c4-08cdd4e91821 · Nov 5
£1,857 GBP
$2,486 USD
View
12 more retailers have this diamond
Prices start from £574 GBPSave up to £1,284 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
£574 GBP