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Heart|Natural|GIA

0.81ct I SI1 Heart Natural Diamond

EX • I/SI1 • GIA 6412487272

Certificate GIA 6412487272

Diamond specifications and retailer prices

From €1,731 EUR
$1,941 USD
As of November 1, 2026
Save €1,973 EUR (53%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: €3,704 EUR at MOH London · As of November 1, 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 6412487272. Listed at 19 retailers as of November 1, 2026, with prices from €1,731 to €3,704, a €1,973 spread on the same certified stone. MOH London lists it at €3,704. 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 6412487272
Dimensions5.22 × 5.18 × 3.51 mm
L/W Ratio1.01
Top View
5.22 mm5.18 mm0.81 ctI / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 6412487272
Side View
Table 60.0%CrownGirdle: MED-THKPavilionCulet: NoneDepth 67.9%

Caratlytics Score

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B
Good
Decent quality, room for better deals
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 1
Current: €3,704 EUR|Low: €1,620 EUR|High: €3,748 EUR|Avg: €2,395 EUR|-1.1%
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 3€1,731 EUR
Retailer 8€1,752 EUR
Retailer 12€1,767 EUR
Retailer 4€1,847 EUR
Retailer 11€1,870 EUR
Retailer 5€1,915 EUR
Retailer 10€2,172 EUR
Retailer 7€2,320 EUR
Retailer 13€2,602 EUR
Retailer 6€2,639 EUR
Retailer 2€2,665 EUR
Retailer 9€3,148 EUR
MOH London€3,704 EUR

39 data points across 13 retailers

19 retailers€1,731 EUR to €3,704 EUR

B
Cheapest Retailer
-
€1,731 EUR
$1,941 USD
B
Retailer 2
-
€1,752 EUR
$1,965 USD
View
B
Retailer 3
-
€1,767 EUR
$1,982 USD
View
Final sale: no returns
B
Retailer 4
-
€1,847 EUR
$2,072 USD
View
B
Retailer 5
-
€1,870 EUR
$2,097 USD
View
Retailer 6
-
€1,915 EUR
$2,148 USD
View
Price last confirmed 25 days ago
B
Retailer 7
-
€1,935 EUR
$2,170 USD
View
B
Retailer 8
-
€1,965 EUR
$2,204 USD
View
B
Retailer 9
-
€2,131 EUR
$2,390 USD
View
B
Retailer 10
-
€2,131 EUR
$2,390 USD
View
B
Retailer 11
-
€2,172 EUR
$2,436 USD
View
B
Retailer 12
-
€2,202 EUR
$2,470 USD
View
B
Retailer 13
-
€2,320 EUR
£2,049 GBP
View
B
Retailer 14
-
€2,452 EUR
$2,750 USD
View
Retailer 15
-
€2,602 EUR
A$4,491 AUD
View
Price last confirmed 25 days ago
B
Retailer 16
-
€2,639 EUR
View
B
Retailer 17
-
€2,665 EUR
£2,354 GBP
View
B
Retailer 18
-
€3,148 EUR
ZAR 57,048 ZAR
View
Most Expensive
B
MOH London
68F618614 · Nov 1
€3,704 EUR
£3,271 GBP
View
18 more retailers have this diamond
Prices start from €1,731 EURSave up to €1,973 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
€1,731 EUR