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Heart|Natural|GIA

3.12ct F SI2 Heart Natural Diamond

EX • F/SI2 • GIA 2235818298

Certificate GIA 2235818298

Diamond specifications and retailer prices

From €23,503 EUR
$26,361 USD
As of October 31, 2026
2 retailers carry this diamond
Most expensive: €23,503 EUR at Blue Nile
View at Blue Nile

About this 3.12ct natural heart diamond

This 3.12ct natural heart sits in the three to five carat band, graded F colour (colourless) and SI2 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 2235818298. Listed at 2 retailers as of October 31, 2026. 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

3.12
Carat
F
Color
SI2
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle39.63°
Pavilion angle41.73°
OriginNatural
Grading LabGIA
CertificateGIA 2235818298
Dimensions8.99 × 10.13 × 5.96 mm
L/W Ratio1.13
Girdle conditionVery Thick
Key to symbols
Crystal, Feather, Needle
Top View
8.99 mm10.13 mm3.12 ctF / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 2235818298
Side View
Table 63.0%Crown 39.63°Girdle: STK-VTKPavilion 41.73°Culet: NoneDepth 58.8%

Caratlytics Score

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B+
Very Good
Strong quality and value balance
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Price History

Last verified: Oct 31
Current: €23,503 EUR|Low: €20,450 EUR|High: €25,995 EUR|Avg: €23,333 EUR
Blue Nile
Retailer 2
Retailer 3
Retailer 4
Retailer 5
October 16, 2026
Retailer 2€20,450 EUR
Retailer 4€20,876 EUR
Blue Nile€23,503 EUR
Retailer 3€24,781 EUR
Retailer 5€25,995 EUR

3 data points across 5 retailers

2 retailers

Retailer 1
-
€20,450 EUR
£18,060 GBP
Price last confirmed 17 days ago
Most Expensive
B+
Blue Nile
28120657 · Oct 31
€23,503 EUR
$26,361 USD
View
1 more retailer has this diamond

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+
3.12ct Heart
€23,503 EUR