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Heart|Natural|GIA

0.80ct I SI1 Heart Natural Diamond

EX • I/SI1 • GIA 1437540321

Certificate GIA 1437540321

Diamond specifications and retailer prices

From £1,487 GBP
$1,995 USD
As of November 1, 2026
Save £1,697 GBP (53%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: £3,184 GBP at MOH London · As of November 2, 2026
View at MOH London

About this 0.8ct natural heart diamond

This 0.8ct natural heart sits in the just-under-one-carat band, graded I 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 1437540321. Listed at 18 retailers as of November 1, 2026, with prices from £1,487 to £3,184, a £1,697 spread on the same certified stone. MOH London lists it at £3,184. 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
I
Colour
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 1437540321
Dimensions5.21 × 5.03 × 3.43 mm
L/W Ratio1.04
Culet sizeNone
Top View
5.21 mm5.03 mm0.80 ctI / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 1437540321
Side View
Table 60.0%CrownGirdle: MED-VTKPavilionCulet: NoneDepth 68.1%

Caratlytics Score

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B
Good
Decent quality, room for better deals
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 1
Current: £3,184 GBP|Low: £1,393 GBP|High: £3,222 GBP|Avg: £2,019 GBP|-1.2%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
November 2, 2026
Retailer 4£1,487 GBP
Retailer 9£1,505 GBP
Retailer 13£1,519 GBP
Retailer 6£1,588 GBP
Retailer 12£1,601 GBP
Retailer 5£1,646 GBP
Retailer 3£1,654 GBP
Retailer 11£1,867 GBP
Retailer 8£1,942 GBP
Retailer 14£2,237 GBP
Retailer 7£2,268 GBP
Retailer 2£2,291 GBP
Retailer 10£2,707 GBP
MOH London£3,184 GBP

37 data points across 14 retailers

18 retailers£1,487 GBP to £3,184 GBP

B
Cheapest Retailer
-
£1,487 GBP
$1,995 USD
B
Retailer 2
-
£1,505 GBP
$2,020 USD
View
B
Retailer 3
-
£1,519 GBP
$2,039 USD
View
Final sale: no returns
B
Retailer 4
-
£1,588 GBP
$2,131 USD
View
B
Retailer 5
-
£1,601 GBP
$2,149 USD
View
Retailer 6
-
£1,646 GBP
$2,209 USD
View
Price last confirmed 26 days ago
B
Retailer 7
-
£1,654 GBP
$2,220 USD
View
B
Retailer 8
-
£1,686 GBP
$2,263 USD
View
B
Retailer 9
-
£1,833 GBP
$2,460 USD
View
B
Retailer 10
-
£1,833 GBP
$2,460 USD
View
B
Retailer 11
-
£1,867 GBP
$2,505 USD
View
B
Retailer 12
-
£1,893 GBP
$2,540 USD
View
B
Retailer 13
-
£1,942 GBP
View
Retailer 14
-
£2,237 GBP
A$4,619 AUD
View
Price last confirmed 26 days ago
B
Retailer 15
-
£2,268 GBP
€2,899 EUR
View
B
Retailer 16
-
£2,291 GBP
View
B
Retailer 17
-
£2,707 GBP
ZAR 58,679 ZAR
View
Most Expensive
B
MOH London
9BA31688C · Nov 2
£3,184 GBP
View
17 more retailers have this diamond
Prices start from £1,487 GBPSave up to £1,697 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.

B
0.80ct Heart
£1,487 GBP