Heart|Natural|GIA

0.81ct D SI1 Heart Natural Diamond

ID • D/SI1 • GIA 6552621350

Certificate GIA 6552621350

Diamond specifications and retailer prices

From €1,197 EUR
A$2,058 AUD
As of November 2, 2026
20 retailers carry this diamond
Most expensive: €2,426 EUR at NZ Jewellers · As of September 30, 2026
View at NZ Jewellers

About this 0.81ct natural heart diamond

This 0.81ct natural heart sits in the just-under-one-carat band, graded D colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 6552621350. Listed at 20 retailers as of November 2, 2026. 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
D
Colour
SI1
Clarity
Ideal
Cut (retailer stated)

Specifications

Cut (retailer stated)Ideal
PolishExcellent
SymmetryExcellent
FluorescenceFaint
OriginNatural
Grading LabGIA
CertificateGIA 6552621350
Dimensions5.67 × 6.44 × 3.79 mm
L/W Ratio1.14
Girdle conditionFaceted
Culet sizeNone
Key to symbols
Feather, Crystal
Top View
5.67 mm6.44 mm0.81 ctD / SI1
OriginNatural
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateGIA 6552621350
Side View
Table 61.0%CrownGirdle: VTN-VTKPavilionCulet: NoneDepth 58.8%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Nov 2
Current: €1,084 EUR|Low: €705 EUR|High: €1,840 EUR|Avg: €1,087 EUR|-1.1%
Retailer 1
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
October 23, 2026
Retailer 8€746 EUR
Retailer 13€855 EUR
Retailer 11€871 EUR
Retailer 14€877 EUR
Retailer 4€917 EUR
Retailer 7€964 EUR
Retailer 12€1,045 EUR
Retailer 1€1,084 EUR
Retailer 5€1,114 EUR
Retailer 3€1,230 EUR
Retailer 9€1,253 EUR
Retailer 6€1,300 EUR
Retailer 10€1,454 EUR
Retailer 2€1,831 EUR

23 data points across 14 retailers

20 retailers

Retailer 1
-
€746 EUR
₹79,414 INR
Price last confirmed 10 days ago
Retailer 2
-
€855 EUR
$955 USD
View
Price last confirmed 12 days ago
Retailer 3
-
€871 EUR
$973 USD
View
Price last confirmed 10 days ago
Retailer 4
-
€877 EUR
$980 USD
View
Price last confirmed 9 days ago
Retailer 5
-
€964 EUR
$1,077 USD
View
Price last confirmed 9 days ago
Retailer 6
-
€994 EUR
$1,111 USD
View
Price last confirmed 25 days ago
Retailer 7
-
€994 EUR
$1,111 USD
View
Price last confirmed 25 days ago
Retailer 8
-
€1,033 EUR
$1,154 USD
View
Price last confirmed 32 days ago
Retailer 9
-
€1,045 EUR
$1,167 USD
View
Price last confirmed 9 days ago
Retailer 10
-
€1,084 EUR
£953 GBP
View
Price last confirmed 10 days ago
Retailer 11
-
€1,114 EUR
$1,245 USD
View
Price last confirmed 10 days ago
Retailer 12
-
€1,114 EUR
$1,245 USD
View
Price last confirmed 15 days ago
Retailer 13
-
€1,148 EUR
$1,282 USD
View
Price last confirmed 24 days ago
A
Retailer 14
-
€1,197 EUR
A$2,058 AUD
View
Retailer 15
-
€1,230 EUR
£1,082 GBP
View
Price last confirmed 10 days ago
Retailer 16
-
€1,253 EUR
£1,103 GBP
View
Price last confirmed 11 days ago
Retailer 17
-
€1,300 EUR
A$2,235 AUD
View
Price last confirmed 29 days ago
Retailer 18
-
€1,454 EUR
ZAR 26,245 ZAR
View
Price last confirmed 11 days ago
Retailer 19
-
€1,831 EUR
£1,611 GBP
View
Price last confirmed 14 days ago
Most Expensive
NZ Jewellers
c68e4afe-76cb-40f4-8c64-a0742ea2593c · Sep 30
€2,426 EUR
$2,710 USD
View
Price last confirmed 32 days ago
19 more retailers have this diamond
Prices start from €1,197 EUR

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
0.81ct Heart
€1,197 EUR