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Heart|Natural|GIA

0.81ct D SI2 Heart Natural Diamond

EX • D/SI2 • GIA 6441896539

Certificate GIA 6441896539

Diamond specifications and retailer prices

From €958 EUR
$1,070 USD
As of October 31, 2026
Save €954 EUR (50%) vs most expensive(unlock to see where)
8 retailers carry this diamond
Most expensive: €1,912 EUR at MOH London · As of October 29, 2026
View at MOH London

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 SI2 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 6441896539. Listed at 8 retailers as of October 29, 2026, with prices from €958 to €1,912, a €954 spread on the same certified stone. MOH London lists it at €1,912. 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
Color
SI2
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryVery Good
FluorescenceFaint
Crown angle43.48°
Pavilion angle38.2°
OriginNatural
Grading LabGIA
CertificateGIA 6441896539
Dimensions5.52 × 6.45 × 3.78 mm
L/W Ratio1.17
Top View
5.52 mm6.45 mm0.81 ctD / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceFaint
CertificateGIA 6441896539
Side View
Table 61.0%Crown 43.48°Girdle: STK-VTKPavilion 38.2°Culet: NoneDepth 58.6%

Caratlytics Score

How it works →
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: Oct 31
Current: €1,912 EUR|Low: €958 EUR|High: €1,912 EUR|Avg: €1,371 EUR|+0.4%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
November 1, 2026
Retailer 7€958 EUR
Retailer 6€1,038 EUR
Retailer 2€1,184 EUR
Retailer 3€1,199 EUR
Retailer 5€1,213 EUR
Retailer 9€1,327 EUR
Retailer 4€1,382 EUR
Retailer 8€1,420 EUR
Retailer 10€1,759 EUR
MOH London€1,912 EUR

15 data points across 10 retailers

8 retailers€958 EUR to €1,912 EUR

A
Cheapest Retailer
-
€958 EUR
$1,070 USD
Final sale: no returns
A
Retailer 2
-
€1,038 EUR
$1,160 USD
View
B+
Retailer 3
-
€1,184 EUR
£1,042 GBP
View
B+
Retailer 4
-
€1,199 EUR
$1,339 USD
View
A
Retailer 5
-
€1,213 EUR
£1,067 GBP
View
B+
Retailer 6
-
€1,382 EUR
£1,216 GBP
View
B
Retailer 7
-
€1,759 EUR
View
Most Expensive
B
MOH London
5903F61C9 · Oct 29
€1,912 EUR
£1,682 GBP
View
7 more retailers have this diamond
Prices start from €958 EURSave up to €954 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
€958 EUR