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3.12ct H SI2 Round Natural Diamond

EX • H/SI2 • GIA 1503154544

Certificate GIA 1503154544

Diamond specifications and retailer prices

From $32,963 USD
1 retailer carries this diamond
Only listing: $32,963 USD at Diamond Quarter
Only one retailer lists this diamond right now, and it is shown above, so there is nothing to unlock. Similar diamonds are carried by several retailers.
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About this 3.12ct natural round diamond

This 3.12ct natural round sits in the three to five carat band, graded H colour (near-colourless) and SI2 clarity (slightly-included), with a top-tier cut grade and certified by GIA 1503154544. Currently listed at a single retailer. If it later appears at another store, Carat Hunter will surface the price comparison automatically. 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
H
Color
SI2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36°
Pavilion angle40.8°
OriginNatural
Grading LabGIA
CertificateGIA 1503154544
Dimensions9.23 × 9.30 × 5.75 mm
L/W Ratio1.01
Star length50%
Lower girdle75%
Girdle conditionFaceted
Cert comments
Additional clouds, pinpoints and surface graining are not shown.
Key to symbols
Crystal, Cloud, Feather, Needle, Indented Natural
Top View
9.23 mm9.30 mm3.12 ctH / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 1503154544
Side View
Table 59.0%Crown 36°Girdle: MED-STKPavilion 40.8°CuletDepth 62.0%

Caratlytics Score

How it works →
C
Average
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Price History

Last verified: Oct 1
Current: $32,963 USD|Low: $32,963 USD|High: $32,963 USD|Avg: $32,963 USD
September 26, 2026
Diamond Quarter$32,963 USD

1 data point across 1 retailer

1 retailer

C
Diamond Quarter
3.12SI2H15446539N · Oct 1
$32,963 USD
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C
3.12ct Round
$32,963 USD