Heart|Natural|GIA

1.30ct I SI1 Heart Natural Diamond

EX • I/SI1 • GIA 6415809220

Certificate GIA 6415809220

Diamond specifications and retailer prices

From $3,859 USD
As of November 4, 2026
Save $3,830 USD (50%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: $7,689 USD 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 $3,859 to $7,689, a $3,830 spread on the same certified stone. MOH London lists it at $7,689. 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
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 4
Current: $7,689 USD|Low: $3,710 USD|High: $7,803 USD|Avg: $5,009 USD|-1.5%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
November 5, 2026
Retailer 9$3,859 USD
Retailer 6$3,984 USD
Retailer 7$4,048 USD
Retailer 10$4,156 USD
Retailer 3$4,712 USD
Retailer 2$4,769 USD
Retailer 8$4,879 USD
Retailer 4$5,455 USD
Retailer 5$5,949 USD
MOH London$7,689 USD

40 data points across 10 retailers

16 retailers$3,859 USD to $7,689 USD

B+
Cheapest Retailer
-
$3,859 USD
B
Retailer 2
-
$3,984 USD
View
B
Retailer 3
-
$4,048 USD
View
Final sale: no returns
B+
Retailer 4
-
$4,155 USD
View
B+
Retailer 5
-
$4,156 USD
View
B
Retailer 6
-
$4,360 USD
View
B
Retailer 7
-
$4,712 USD
View
B
Retailer 8
-
$4,740 USD
View
B
Retailer 9
-
$4,740 USD
View
B
Retailer 10
-
$4,769 USD
View
Retailer 11
-
$4,879 USD
View
Price last confirmed 27 days ago
B
Retailer 12
-
$4,900 USD
View
Retailer 13
-
$5,345 USD
View
Price last confirmed 21 days ago
B
Retailer 14
-
$5,455 USD
View
B
Retailer 15
-
$5,949 USD
View
Most Expensive
B
MOH London
2B896FE34 · Nov 4
$7,689 USD
£6,054 GBP
View
15 more retailers have this diamond
Prices start from $3,859 USDSave up to $3,830 USD

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
$3,859 USD