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Heart|Natural|GIA

1.06ct H SI2 Heart Natural Diamond

ID • H/SI2 • GIA 5

Certificate GIA 5

Diamond specifications and retailer prices

From €3,186 EUR
$3,573 USD
As of November 2, 2026
Save €837 EUR (21%) vs most expensive(unlock to see where)
3 retailers carry this diamond
Most expensive: €4,023 EUR at Blue Nile · As of November 3, 2026
View at Blue Nile

About this 1.06ct natural heart diamond

This 1.06ct natural heart sits in the classic one-carat band, graded H colour (near-colourless) and SI2 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA. Listed at 3 retailers as of November 2, 2026, with prices from €3,186 to €4,023, a €837 spread on the same certified stone. Blue Nile lists it at €4,023. 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

1.06
Carat
H
Colour
SI2
Clarity
Ideal
Cut (retailer stated)

Specifications

Cut (retailer stated)Ideal
PolishExcellent
SymmetryVery Good
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 5
Dimensions6.58 × 6.81 × 3.96 mm
L/W Ratio1.03
Top View
6.58 mm6.81 mm1.06 ctH / SI2
OriginNatural
CutIdeal
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateGIA 5
Side View
Table 59.0%CrownGirdle: THK-VTKPavilionCulet: NoneDepth 58.1%

Caratlytics Score

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B
Good
Decent quality, room for better deals
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Price History

Last verified: Nov 2
Current: €4,023 EUR|Low: €3,186 EUR|High: €4,023 EUR|Avg: €3,417 EUR
Blue Nile
Retailer 2
Retailer 3
September 26, 2026
Retailer 2€3,186 EUR
Retailer 3€3,346 EUR
Blue Nile€4,023 EUR

2 data points across 3 retailers

3 retailers€3,186 EUR to €4,023 EUR

B
Cheapest Retailer
-
€3,186 EUR
$3,573 USD
B
Retailer 2
-
€3,346 EUR
$3,753 USD
View
Most Expensive
B
Blue Nile
5629824 · Nov 3
€4,023 EUR
$4,512 USD
View
2 more retailers have this diamond
Prices start from €3,186 EURSave up to €837 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
1.06ct Heart
€3,186 EUR