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Heart|Natural|GIA

1.30ct I SI1 Heart Natural Diamond

EX • I/SI1 • GIA 6415809220

Certificate GIA 6415809220

Diamond specifications and retailer prices

From €3,456 EUR
As of November 6, 2026
Save €3,430 EUR (50%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: €6,886 EUR at MOH London · As of November 4, 2026
View at MOH London

About this 1.3ct natural heart diamond

This 1.3ct natural heart sits in the one-and-a-quarter to one-and-a-half 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 6415809220. Listed at 16 retailers as of November 4, 2026, with prices from €3,456 to €6,886, a €3,430 spread on the same certified stone. MOH London lists it at €6,886. 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

1.30
Carat
I
Colour
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
OriginNatural
Grading LabGIA
CertificateGIA 6415809220
Dimensions6.37 × 5.62 × 4.13 mm
L/W Ratio1.13
Top View
6.37 mm5.62 mm1.30 ctI / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateGIA 6415809220
Side View
Table 63.0%CrownGirdle: THK-ETKPavilionCulet: NoneDepth 73.5%

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 6
Current: €6,886 EUR|Low: €3,323 EUR|High: €6,989 EUR|Avg: €4,473 EUR|-1.5%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
November 7, 2026
Retailer 9€3,456 EUR
Retailer 6€3,568 EUR
Retailer 7€3,626 EUR
Retailer 10€3,722 EUR
Retailer 3€4,205 EUR
Retailer 2€4,279 EUR
Retailer 8€4,370 EUR
Retailer 4€4,878 EUR
Retailer 5€5,289 EUR
MOH London€6,886 EUR

40 data points across 10 retailers

16 retailers€3,456 EUR to €6,886 EUR

B+
Cheapest Retailer
-
€3,456 EUR
B
Retailer 2
-
€3,568 EUR
View
B
Retailer 3
-
€3,626 EUR
View
Final sale: no returns
B+
Retailer 4
-
€3,721 EUR
View
B+
Retailer 5
-
€3,722 EUR
View
B
Retailer 6
-
€3,905 EUR
View
B
Retailer 7
-
€4,205 EUR
View
B
Retailer 8
-
€4,245 EUR
View
B
Retailer 9
-
€4,245 EUR
View
B
Retailer 10
-
€4,279 EUR
View
Retailer 11
-
€4,370 EUR
View
Price last confirmed 29 days ago
B
Retailer 12
-
€4,389 EUR
View
Retailer 13
-
€4,787 EUR
View
Price last confirmed 23 days ago
B
Retailer 14
-
€4,878 EUR
View
B
Retailer 15
-
€5,289 EUR
View
Most Expensive
B
MOH London
2B896FE34 · Nov 4
€6,886 EUR
£6,054 GBP
View
15 more retailers have this diamond
Prices start from €3,456 EURSave up to €3,430 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+
1.30ct Heart
€3,456 EUR