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Heart|Natural|GIA

0.81ct I SI1 Heart Natural Diamond

EX • I/SI1 • GIA 2408533563

Certificate GIA 2408533563

Diamond specifications and retailer prices

From £1,385 GBP
$1,859 USD
As of November 1, 2026
Save £1,581 GBP (53%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: £2,966 GBP at MOH London · As of November 1, 2026
View at MOH London

About this 0.81ct natural heart diamond

This 0.81ct 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 2408533563. Listed at 18 retailers as of November 1, 2026, with prices from £1,385 to £2,966, a £1,581 spread on the same certified stone. MOH London lists it at £2,966. 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

0.81
Carat
I
Colour
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 2408533563
Dimensions5.22 × 5.17 × 3.52 mm
L/W Ratio1.01
Top View
5.22 mm5.17 mm0.81 ctI / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 2408533563
Side View
Table 59.0%CrownGirdle: MED-THKPavilionCulet: NoneDepth 68.1%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 1
Current: £2,966 GBP|Low: £1,297 GBP|High: £3,002 GBP|Avg: £1,947 GBP|-1.0%
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
November 2, 2026
Retailer 4£1,385 GBP
Retailer 8£1,405 GBP
Retailer 13£1,416 GBP
Retailer 5£1,479 GBP
Retailer 12£1,505 GBP
Retailer 10£1,534 GBP
Retailer 11£1,739 GBP
Retailer 7£1,842 GBP
Retailer 3£2,082 GBP
Retailer 6£2,113 GBP
Retailer 2£2,134 GBP
Retailer 9£2,521 GBP
MOH London£2,966 GBP

39 data points across 13 retailers

18 retailers£1,385 GBP to £2,966 GBP

B+
Cheapest Retailer
-
£1,385 GBP
$1,859 USD
B
Retailer 2
-
£1,405 GBP
$1,885 USD
View
B
Retailer 3
-
£1,416 GBP
$1,900 USD
View
Final sale: no returns
B
Retailer 4
-
£1,479 GBP
$1,985 USD
View
B
Retailer 5
-
£1,505 GBP
$2,020 USD
View
B
Retailer 6
-
£1,534 GBP
$2,058 USD
View
B
Retailer 7
-
£1,557 GBP
$2,090 USD
View
B
Retailer 8
-
£1,578 GBP
$2,117 USD
View
B
Retailer 9
-
£1,714 GBP
$2,300 USD
View
B
Retailer 10
-
£1,714 GBP
$2,300 USD
View
B
Retailer 11
-
£1,739 GBP
$2,334 USD
View
B
Retailer 12
-
£1,774 GBP
$2,380 USD
View
B
Retailer 13
-
£1,842 GBP
View
Retailer 14
-
£2,082 GBP
A$4,298 AUD
View
Price last confirmed 26 days ago
B
Retailer 15
-
£2,113 GBP
€2,701 EUR
View
B
Retailer 16
-
£2,134 GBP
View
B
Retailer 17
-
£2,521 GBP
ZAR 54,663 ZAR
View
Most Expensive
B
MOH London
42B5ADD21 · Nov 1
£2,966 GBP
View
17 more retailers have this diamond
Prices start from £1,385 GBPSave up to £1,581 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+
0.81ct Heart
£1,385 GBP