Heart|Natural|GIA

1.30ct I SI1 Heart Natural Diamond

EX • I/SI1 • GIA 6415809220

Certificate GIA 6415809220

Diamond specifications and retailer prices

From €3,454 EUR
$3,859 USD
As of October 30, 2026
Save €3,484 EUR (50%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: €6,938 EUR at MOH London · As of October 29, 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 October 29, 2026, with prices from €3,454 to €6,938, a €3,484 spread on the same certified stone. MOH London lists it at €6,938. 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
Color
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: Oct 30
Current: €6,938 EUR|Low: €3,321 EUR|High: €6,984 EUR|Avg: €4,533 EUR|+0.4%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
October 31, 2026
Retailer 9€3,454 EUR
Retailer 6€3,566 EUR
Retailer 7€3,623 EUR
Retailer 10€3,720 EUR
Retailer 5€4,239 EUR
Retailer 4€4,308 EUR
Retailer 8€4,368 EUR
Retailer 3€4,903 EUR
Retailer 2€5,326 EUR
MOH London€6,938 EUR

39 data points across 10 retailers

16 retailers€3,454 EUR to €6,938 EUR

B+
Cheapest Retailer
-
€3,454 EUR
$3,859 USD
B
Retailer 2
-
€3,566 EUR
$3,984 USD
View
B
Retailer 3
-
€3,623 EUR
$4,048 USD
View
Final sale: no returns
B+
Retailer 4
-
€3,719 EUR
$4,155 USD
View
B+
Retailer 5
-
€3,720 EUR
$4,156 USD
View
B
Retailer 6
-
€3,903 EUR
$4,361 USD
View
B
Retailer 7
-
€4,239 EUR
£3,729 GBP
View
B
Retailer 8
-
€4,243 EUR
$4,740 USD
View
B
Retailer 9
-
€4,243 EUR
$4,740 USD
View
B
Retailer 10
-
€4,308 EUR
£3,790 GBP
View
Retailer 11
-
€4,368 EUR
A$7,507 AUD
View
Price last confirmed 23 days ago
B
Retailer 12
-
€4,386 EUR
$4,900 USD
View
Retailer 13
-
€4,784 EUR
$5,345 USD
View
Price last confirmed 18 days ago
B
Retailer 14
-
€4,903 EUR
View
B
Retailer 15
-
€5,326 EUR
ZAR 96,119 ZAR
View
Most Expensive
B
MOH London
2B896FE34 · Oct 29
€6,938 EUR
£6,103 GBP
View
15 more retailers have this diamond
Prices start from €3,454 EURSave up to €3,484 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
€3,454 EUR