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Heart|Natural|GIA

0.81ct F SI1 Heart Natural Diamond

EX • F/SI1 • GIA 6561484679

Certificate GIA 6561484679

Diamond specifications and retailer prices

From €673 EUR
SGD 1,020 SGD
As of October 31, 2026
Save €550 EUR (45%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: €1,223 EUR at Wholesale Diamonds Direct · As of October 27, 2026
View at Wholesale Diamonds Direct

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 6561484679. Listed at 11 retailers as of October 27, 2026, with prices from €673 to €1,223, a €550 spread on the same certified stone. Wholesale Diamonds Direct lists it at €1,223. 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
Crown angle36.98°
OriginNatural
Grading LabGIA
CertificateGIA 6561484679
Dimensions5.39 × 5.97 × 3.26 mm
L/W Ratio1.11
Culet sizeNone
Top View
5.39 mm5.97 mm0.81 ctF / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateGIA 6561484679
Side View
Table 57.0%Crown 36.98°Girdle: THK-ETKPavilionCulet: NoneDepth 54.6%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 31
Current: €1,073 EUR|Low: €673 EUR|High: €1,223 EUR|Avg: €895 EUR|+0.7%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Wholesale Diamonds Direct
November 2, 2026
Retailer 6€673 EUR
Retailer 8€736 EUR
Retailer 5€780 EUR
Retailer 2€802 EUR
Retailer 7€818 EUR
Retailer 10€823 EUR
Retailer 3€858 EUR
Retailer 4€878 EUR
Retailer 1€1,073 EUR
Retailer 9€1,122 EUR
Wholesale Diamonds Direct€1,223 EUR

31 data points across 11 retailers

11 retailers€673 EUR to €1,223 EUR

A
Cheapest Retailer
-
€673 EUR
SGD 1,020 SGD
A
Retailer 2
-
€736 EUR
$826 USD
View
A
Retailer 3
-
€780 EUR
$875 USD
View
A
Retailer 4
-
€802 EUR
SGD 1,216 SGD
View
A
Retailer 5
-
€818 EUR
$917 USD
View
A
Retailer 6
-
€823 EUR
$923 USD
View
A
Retailer 7
-
€858 EUR
£758 GBP
View
A
Retailer 8
-
€878 EUR
£776 GBP
View
B+
Retailer 9
-
€1,073 EUR
View
B+
Retailer 10
-
€1,122 EUR
$1,258 USD
View
Most Expensive
B+
Wholesale Diamonds Direct
570927839 · Oct 27
€1,223 EUR
$1,372 USD
View
10 more retailers have this diamond
Prices start from €673 EURSave up to €550 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
€673 EUR