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Heart|Natural|GIA

0.80ct I SI1 Heart Natural Diamond

EX • I/SI1 • GIA 1437540321

Certificate GIA 1437540321

Diamond specifications and retailer prices

From €1,779 EUR
$1,995 USD
As of November 1, 2026
Save €2,030 EUR (53%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: €3,809 EUR at MOH London · As of November 2, 2026
View at MOH London

About this 0.8ct natural heart diamond

This 0.8ct 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 1437540321. Listed at 18 retailers as of November 1, 2026, with prices from €1,779 to €3,809, a €2,030 spread on the same certified stone. MOH London lists it at €3,809. 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

0.80
Carat
I
Colour
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 1437540321
Dimensions5.21 × 5.03 × 3.43 mm
L/W Ratio1.04
Culet sizeNone
Top View
5.21 mm5.03 mm0.80 ctI / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 1437540321
Side View
Table 60.0%CrownGirdle: MED-VTKPavilionCulet: NoneDepth 68.1%

Caratlytics Score

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

Price History

Last verified: Nov 1
Current: €3,809 EUR|Low: €1,666 EUR|High: €3,856 EUR|Avg: €2,415 EUR|-1.2%
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
Retailer 14
November 2, 2026
Retailer 4€1,779 EUR
Retailer 9€1,801 EUR
Retailer 13€1,818 EUR
Retailer 6€1,900 EUR
Retailer 12€1,916 EUR
Retailer 5€1,970 EUR
Retailer 3€1,979 EUR
Retailer 11€2,233 EUR
Retailer 8€2,323 EUR
Retailer 14€2,677 EUR
Retailer 7€2,714 EUR
Retailer 2€2,741 EUR
Retailer 10€3,238 EUR
MOH London€3,809 EUR

37 data points across 14 retailers

18 retailers€1,779 EUR to €3,809 EUR

B
Cheapest Retailer
-
€1,779 EUR
$1,995 USD
B
Retailer 2
-
€1,801 EUR
$2,020 USD
View
B
Retailer 3
-
€1,818 EUR
$2,039 USD
View
Final sale: no returns
B
Retailer 4
-
€1,900 EUR
$2,131 USD
View
B
Retailer 5
-
€1,916 EUR
$2,149 USD
View
Retailer 6
-
€1,970 EUR
$2,209 USD
View
Price last confirmed 25 days ago
B
Retailer 7
-
€1,979 EUR
$2,220 USD
View
B
Retailer 8
-
€2,018 EUR
$2,263 USD
View
B
Retailer 9
-
€2,193 EUR
$2,460 USD
View
B
Retailer 10
-
€2,193 EUR
$2,460 USD
View
B
Retailer 11
-
€2,233 EUR
$2,505 USD
View
B
Retailer 12
-
€2,265 EUR
$2,540 USD
View
B
Retailer 13
-
€2,323 EUR
£2,052 GBP
View
Retailer 14
-
€2,677 EUR
A$4,619 AUD
View
Price last confirmed 25 days ago
B
Retailer 15
-
€2,714 EUR
View
B
Retailer 16
-
€2,741 EUR
£2,421 GBP
View
B
Retailer 17
-
€3,238 EUR
ZAR 58,679 ZAR
View
Most Expensive
B
MOH London
9BA31688C · Nov 2
€3,809 EUR
£3,364 GBP
View
17 more retailers have this diamond
Prices start from €1,779 EURSave up to €2,030 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
0.80ct Heart
€1,779 EUR