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Round|Natural|GIA

3.12ct I SI1 Round Natural Diamond

ID • I/SI1 • GIA FL

Certificate GIA FL

Diamond specifications and retailer prices

From €54,465 EUR
$60,849 USD
As of October 31, 2026
Save €2,385 EUR (4%) vs most expensive(unlock to see where)
2 retailers carry this diamond
Most expensive: €56,850 EUR at DreamStone · As of October 31, 2026
View at DreamStone

About this 3.12ct natural round diamond

This 3.12ct natural round sits in the three to five carat band, graded I colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by GIA. Listed at 2 retailers as of October 31, 2026, with a relatively tight 4% spread, which is unusual at this carat range and suggests competitive pricing across the listings. 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
I
Color
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA FL
Dimensions9.49 × 9.54 mm
L/W Ratio1.01
Top View
9.49 mm9.54 mm3.12 ctI / SI1
OriginNatural
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA FL
Side View
Table 59.0%CrownGirdle: THN-MEDPavilionCulet: NoneDepth 60.5%

Caratlytics Score

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B
Good
Decent quality, room for better deals
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Price History

Last verified: Oct 31
Current: €56,850 EUR|Low: €54,465 EUR|High: €56,850 EUR|Avg: €56,055 EUR
DreamStone
Retailer 2
September 28, 2026
Retailer 2€54,465 EUR
DreamStone€56,850 EUR

2 data points across 2 retailers

2 retailers€54,465 EUR to €56,850 EUR

B
Cheapest Retailer
-
€54,465 EUR
$60,849 USD
Most Expensive
B
DreamStone
600349c29e99f910f979ac55 · Oct 31
€56,850 EUR
$63,514 USD
View
1 more retailer has this diamond
Prices start from €54,465 EURSave up to €2,385 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
3.12ct Round
€54,465 EUR