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Round|Natural|GIA

3.12ct J SI2 Round Natural Diamond

EX • J/SI2 • GIA 2534381622

Certificate GIA 2534381622

Diamond specifications and retailer prices

From €20,833 EUR
CA$32,326 CAD
As of October 30, 2026
Save €13,400 EUR (39%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: €34,233 EUR at MOH London · As of November 1, 2026
View at MOH London

About this 3.12ct natural round diamond

This 3.12ct natural round sits in the three to five carat band, graded J colour (near-colourless) and SI2 clarity (slightly-included), with a top-tier cut grade and certified by GIA 2534381622. Listed at 14 retailers as of October 30, 2026, with prices from €20,833 to €34,233, a €13,400 spread on the same certified stone. MOH London lists it at €34,233. 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
J
Color
SI2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.5°
Pavilion angle41.2°
OriginNatural
Grading LabGIA
CertificateGIA 2534381622
Dimensions9.37 × 9.32 × 5.77 mm
L/W Ratio1.01
Top View
9.37 mm9.32 mm3.12 ctJ / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 2534381622
Side View
Table 58.0%Crown 33.5°Girdle: Slightly ThickPavilion 41.2°Culet: NDepth 61.8%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 30
Current: €34,233 EUR|Low: €20,833 EUR|High: €35,451 EUR|Avg: €25,040 EUR|-3.4%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
November 1, 2026
Retailer 11€20,833 EUR
Retailer 13€20,964 EUR
Retailer 7€22,330 EUR
Retailer 12€22,806 EUR
Retailer 3€22,864 EUR
Retailer 5€23,162 EUR
Retailer 9€23,577 EUR
Retailer 14€23,577 EUR
Retailer 10€24,364 EUR
Retailer 2€25,828 EUR
Retailer 6€25,835 EUR
Retailer 4€26,655 EUR
Retailer 8€31,052 EUR
MOH London€34,233 EUR

41 data points across 14 retailers

14 retailers€20,833 EUR to €34,233 EUR

B+
Cheapest Retailer
-
€20,833 EUR
CA$32,326 CAD
B+
Retailer 2
-
€20,964 EUR
$23,421 USD
View
B+
Retailer 3
-
€22,330 EUR
£19,643 GBP
View
B+
Retailer 4
-
€22,806 EUR
$25,479 USD
View
B+
Retailer 5
-
€22,864 EUR
$25,544 USD
View
B+
Retailer 6
-
€23,162 EUR
$25,877 USD
View
B+
Retailer 7
-
€23,577 EUR
$26,340 USD
View
B+
Retailer 8
-
€23,577 EUR
$26,340 USD
View
B+
Retailer 9
-
€24,364 EUR
$27,220 USD
View
B
Retailer 10
-
€25,828 EUR
View
B
Retailer 11
-
€25,835 EUR
$28,863 USD
View
B
Retailer 12
-
€26,655 EUR
$29,779 USD
View
B
Retailer 13
-
€31,052 EUR
$34,691 USD
View
Most Expensive
B
MOH London
C7A3F0535 · Nov 1
€34,233 EUR
£30,114 GBP
View
13 more retailers have this diamond
Prices start from €20,833 EURSave up to €13,400 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
€20,833 EUR