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Heart|Natural|HRD

0.81ct I SI2 Heart Natural Diamond

EX • I/SI2 • HRD 170003090078

Certificate HRD 170003090078

Diamond specifications and retailer prices

From £1,357 GBP
As of November 6, 2026
Save £429 GBP (24%) vs most expensive(unlock to see where)
2 retailers carry this diamond
Most expensive: £1,786 GBP at MOH London · As of November 4, 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 SI2 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by HRD 170003090078. Listed at 2 retailers as of November 4, 2026, with prices from £1,357 to £1,786, a £429 spread on the same certified stone. MOH London lists it at £1,786. 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
SI2
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishVery Good
SymmetryGood
FluorescenceMedium
OriginNatural
Grading LabHRD
CertificateHRD 170003090078
Dimensions5.71 × 5.73 × 3.11 mm
L/W Ratio1.00
Girdle conditionFaceted
Top View
5.71 mm5.73 mm0.81 ctI / SI2
OriginNatural
CutExcellent
PolishVery Good
SymmetryGood
FluorescenceMedium
CertificateHRD 170003090078
Side View
Table 64.0%CrownGirdle: Extremely ThickPavilionCulet: NoneDepth 54.3%

Caratlytics Score

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B
Good
Decent quality, room for better deals
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Price History

Last verified: Nov 6
Current: £1,786 GBP|Low: £1,065 GBP|High: £1,809 GBP|Avg: £1,406 GBP|-1.3%
MOH London
Retailer 2
Retailer 3
November 6, 2026
Retailer 3£1,065 GBP
Retailer 2£1,357 GBP
MOH London£1,786 GBP

19 data points across 3 retailers

2 retailers£1,357 GBP to £1,786 GBP

B
Cheapest Retailer
-
£1,357 GBP
Most Expensive
C
MOH London
5FEA5F9B2 · Nov 4
£1,786 GBP
View
1 more retailer has this diamond
Prices start from £1,357 GBPSave up to £429 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
£1,357 GBP