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Heart|Natural|GIA

0.81ct F SI1 Heart Natural Diamond

EX • F/SI1 • GIA 6531953926

Certificate GIA 6531953926

Diamond specifications and retailer prices

From €642 EUR
₹68,540 INR
As of November 2, 2026
Save €2,050 EUR (76%) vs most expensive(unlock to see where)
21 retailers carry this diamond
Most expensive: €2,692 EUR at NZ Jewellers · As of October 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 F 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 6531953926. Listed at 21 retailers as of October 30, 2026, with prices from €642 to €2,692, a €2,050 spread on the same certified stone. NZ Jewellers lists it at €2,692. 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
F
Color
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 6531953926
Dimensions5.47 × 6.43 × 3.81 mm
L/W Ratio1.18
Top View
5.47 mm6.43 mm0.81 ctF / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateGIA 6531953926
Side View
Table 58.0%CrownGirdle: STK-VTKPavilionCulet: NoneDepth 59.3%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 2
Current: €642 EUR|Low: €640 EUR|High: €1,589 EUR|Avg: €952 EUR|-3.5%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
November 2, 2026
Retailer 1€642 EUR
Retailer 8€650 EUR
Retailer 11€776 EUR
Retailer 4€806 EUR
Retailer 10€848 EUR
Retailer 12€863 EUR
Retailer 3€892 EUR
Retailer 9€1,003 EUR
Retailer 6€1,015 EUR
Retailer 2€1,048 EUR
Retailer 5€1,082 EUR
Retailer 7€1,572 EUR

23 data points across 12 retailers

21 retailers€642 EUR to €2,692 EUR

A
Cheapest Retailer
-
€642 EUR
₹68,540 INR
A
Retailer 2
-
€650 EUR
HK$5,700 HKD
View
Retailer 3
-
€776 EUR
View
Price last confirmed 7 days ago
A
Retailer 4
-
€792 EUR
$888 USD
View
Final sale: no returns
A
Retailer 5
-
€802 EUR
$899 USD
View
A
Retailer 6
-
€806 EUR
SGD 1,221 SGD
View
A
Retailer 7
-
€848 EUR
$951 USD
View
A
Retailer 8
-
€859 EUR
$963 USD
View
A
Retailer 9
-
€863 EUR
$968 USD
View
A
Retailer 10
-
€892 EUR
$1,000 USD
View
Retailer 11
-
€897 EUR
SGD 1,360 SGD
View
Price last confirmed 7 days ago
A
Retailer 12
-
€991 EUR
$1,111 USD
View
A
Retailer 13
-
€1,003 EUR
£885 GBP
View
A
Retailer 14
-
€1,015 EUR
£896 GBP
View
A
Retailer 15
-
€1,048 EUR
$1,175 USD
View
A
Retailer 16
-
€1,082 EUR
£956 GBP
View
B+
Retailer 17
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€1,131 EUR
$1,268 USD
View
B+
Retailer 18
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€1,223 EUR
$1,372 USD
View
B+
Retailer 19
-
€1,401 EUR
CA$2,183 CAD
View
B+
Retailer 20
-
€1,572 EUR
£1,388 GBP
View
Most Expensive
B
NZ Jewellers
9a3a4a66-9d39-45f1-a23e-0ebe130b1b12 · Oct 30
€2,692 EUR
$3,019 USD
View
20 more retailers have this diamond
Prices start from €642 EURSave up to €2,050 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
€642 EUR