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Heart|Natural|HRD

0.81ct I SI1 Heart Natural Diamond

I/SI1 • HRD 200000069420

Certificate HRD 200000069420

Diamond specifications and retailer prices

From £1,138 GBP
€1,452 EUR
As of November 2, 2026
Save £334 GBP (23%) vs most expensive(unlock to see where)
2 retailers carry this diamond
Most expensive: £1,472 GBP at Yorxs · As of November 2, 2026
View at Yorxs

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) and certified by HRD 200000069420. Listed at 2 retailers as of November 2, 2026, with prices from £1,138 to £1,472, a £334 spread on the same certified stone. Yorxs lists it at £1,472. Cut grade matters more than carat or clarity for visible brilliance. If you can shift budget toward an Excellent or Ideal cut, do it before chasing higher colour or clarity.

The 4Cs

0.81
Carat
I
Colour
SI1
Clarity
-
Cut

Specifications

Cut
PolishVery Good
SymmetryGood
FluorescenceNone
OriginNatural
Grading LabHRD
CertificateHRD 200000069420
Dimensions6.21 × 6.13 × 2.63 mm
L/W Ratio1.01
Top View
6.21 mm6.13 mm0.81 ctI / SI1
OriginNatural
PolishVery Good
SymmetryGood
FluorescenceNone
CertificateHRD 200000069420
Side View
Table 67.0%CrownGirdlePavilionCuletDepth 42.9%

Caratlytics Score

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C
Average
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Price History

Last verified: Nov 2
Current: £1,138 GBP|Low: £1,138 GBP|High: £1,472 GBP|Avg: £1,298 GBP
Retailer 1
Yorxs
November 2, 2026
Retailer 1£1,138 GBP
Yorxs£1,472 GBP

16 data points across 2 retailers

2 retailers£1,138 GBP to £1,472 GBP

C
Cheapest Retailer
-
£1,138 GBP
€1,452 EUR
Most Expensive
C
Yorxs
430644878 · Nov 2
£1,472 GBP
€1,878 EUR
View
1 more retailer has this diamond
Prices start from £1,138 GBPSave up to £334 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.

C
0.81ct Heart
£1,138 GBP