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Heart|Natural|GIA

0.81ct J SI1 Heart Natural Diamond

EX • J/SI1 • GIA 6552745036

Certificate GIA 6552745036

Diamond specifications and retailer prices

From €704 EUR
As of November 5, 2026
Save €325 EUR (32%) vs most expensive(unlock to see where)
5 retailers carry this diamond
Most expensive: €1,029 EUR at GemTrove · As of November 6, 2026
View at GemTrove

About this 0.81ct natural heart diamond

This 0.81ct natural heart sits in the just-under-one-carat band, graded J colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 6552745036. Listed at 5 retailers as of November 5, 2026, with prices from €704 to €1,029, a €325 spread on the same certified stone. GemTrove lists it at €1,029. 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
J
Colour
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryVery Good
FluorescenceFaint
OriginNatural
Grading LabGIA
CertificateGIA 6552745036
Dimensions5.91 × 6.40 × 3.72 mm
L/W Ratio1.08
Culet sizeNone
Key to symbols
Feather, Twinning Wisp
Top View
5.91 mm6.40 mm0.81 ctJ / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceFaint
CertificateGIA 6552745036
Side View
Table 55.0%CrownGirdle: STK-VTKPavilionCulet: NoneDepth 58.2%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
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Price History

Last verified: Nov 5
Current: €1,029 EUR|Low: €704 EUR|High: €1,029 EUR|Avg: €802 EUR
GemTrove
Retailer 2
Retailer 3
Retailer 4
Retailer 5
November 6, 2026
Retailer 3€704 EUR
Retailer 5€715 EUR
Retailer 2€749 EUR
Retailer 4€798 EUR
GemTrove€1,029 EUR

41 data points across 5 retailers

5 retailers€704 EUR to €1,029 EUR

A
Cheapest Retailer
-
€704 EUR
A
Retailer 2
-
€715 EUR
View
A
Retailer 3
-
€749 EUR
View
A
Retailer 4
-
€798 EUR
View
Most Expensive
B
GemTrove
GT-N-01265539-98 · Nov 6
€1,029 EUR
A$1,768 AUD
View
4 more retailers have this diamond
Prices start from €704 EURSave up to €325 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
€704 EUR