CaratHunter
Plans
Heart|Natural|GIA

0.81ct I SI1 Heart Natural Diamond

EX • I/SI1 • GIA 2408533563

Certificate GIA 2408533563

Diamond specifications and retailer prices

From €1,657 EUR
$1,859 USD
As of November 1, 2026
Save €1,891 EUR (53%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: €3,549 EUR at MOH London · As of November 2, 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 I 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 2408533563. Listed at 18 retailers as of November 1, 2026, with prices from €1,657 to €3,549, a €1,891 spread on the same certified stone. MOH London lists it at €3,549. 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
I
Color
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 2408533563
Dimensions5.22 × 5.17 × 3.52 mm
L/W Ratio1.01
Top View
5.22 mm5.17 mm0.81 ctI / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 2408533563
Side View
Table 59.0%CrownGirdle: MED-THKPavilionCulet: NoneDepth 68.1%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 1
Current: €3,549 EUR|Low: €1,552 EUR|High: €3,592 EUR|Avg: €2,329 EUR|-1.0%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
November 2, 2026
Retailer 4€1,657 EUR
Retailer 8€1,681 EUR
Retailer 13€1,694 EUR
Retailer 5€1,770 EUR
Retailer 12€1,801 EUR
Retailer 10€1,835 EUR
Retailer 11€2,081 EUR
Retailer 7€2,204 EUR
Retailer 3€2,491 EUR
Retailer 6€2,529 EUR
Retailer 2€2,553 EUR
Retailer 9€3,017 EUR
MOH London€3,549 EUR

39 data points across 13 retailers

18 retailers€1,657 EUR to €3,549 EUR

B+
Cheapest Retailer
-
€1,657 EUR
$1,859 USD
B
Retailer 2
-
€1,681 EUR
$1,885 USD
View
B
Retailer 3
-
€1,694 EUR
$1,900 USD
View
Final sale: no returns
B
Retailer 4
-
€1,770 EUR
$1,985 USD
View
B
Retailer 5
-
€1,801 EUR
$2,020 USD
View
B
Retailer 6
-
€1,835 EUR
$2,058 USD
View
B
Retailer 7
-
€1,863 EUR
$2,090 USD
View
B
Retailer 8
-
€1,888 EUR
$2,117 USD
View
B
Retailer 9
-
€2,051 EUR
$2,300 USD
View
B
Retailer 10
-
€2,051 EUR
$2,300 USD
View
B
Retailer 11
-
€2,081 EUR
$2,334 USD
View
B
Retailer 12
-
€2,122 EUR
$2,380 USD
View
B
Retailer 13
-
€2,204 EUR
£1,947 GBP
View
Retailer 14
-
€2,491 EUR
A$4,298 AUD
View
Price last confirmed 26 days ago
B
Retailer 15
-
€2,529 EUR
View
B
Retailer 16
-
€2,553 EUR
£2,255 GBP
View
B
Retailer 17
-
€3,017 EUR
ZAR 54,663 ZAR
View
Most Expensive
B
MOH London
42B5ADD21 · Nov 2
€3,549 EUR
£3,134 GBP
View
17 more retailers have this diamond
Prices start from €1,657 EURSave up to €1,891 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.

B+
0.81ct Heart
€1,657 EUR