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Round|Natural|GIA

3.12ct J SI2 Round Natural Diamond

EX • J/SI2 • GIA 7521700205

Certificate GIA 7521700205

Diamond specifications and retailer prices

From €21,193 EUR
CA$32,885 CAD
As of October 30, 2026
Save €13,625 EUR (39%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: €34,818 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 7521700205. Listed at 16 retailers as of October 30, 2026, with prices from €21,193 to €34,818, a €13,625 spread on the same certified stone. MOH London lists it at €34,818. 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 angle34.5°
Pavilion angle41.6°
OriginNatural
Grading LabGIA
CertificateGIA 7521700205
Dimensions9.31 × 9.39 × 5.83 mm
L/W Ratio1.01
Star length45%
Lower girdle75%
Girdle conditionFaceted
Culet sizeNone
Cert comments
Additional clouds are not shown. Pinpoints are not shown.
Key to symbols
Feather, Crystal, Knot, Cloud, Needle, Natural
Top View
9.31 mm9.39 mm3.12 ctJ / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 7521700205
Side View
Table 59.0%Crown 34.5°Girdle: MED-STKPavilion 41.6°Culet: NoneDepth 62.3%

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: €34,818 EUR|Low: €21,193 EUR|High: €35,831 EUR|Avg: €25,424 EUR|-2.7%
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 8€21,193 EUR
Retailer 3€21,325 EUR
Retailer 7€22,525 EUR
Retailer 9€22,656 EUR
Retailer 4€23,217 EUR
Retailer 10€23,561 EUR
Retailer 5€23,944 EUR
Retailer 6€23,944 EUR
Retailer 12€24,740 EUR
Retailer 2€26,272 EUR
Retailer 11€26,281 EUR
Retailer 13€26,516 EUR
Retailer 14€31,583 EUR
MOH London€34,818 EUR

32 data points across 14 retailers

16 retailers€21,193 EUR to €34,818 EUR

B+
Cheapest Retailer
-
€21,193 EUR
CA$32,885 CAD
B+
Retailer 2
-
€21,325 EUR
$23,825 USD
View
B+
Retailer 3
-
€22,525 EUR
£19,815 GBP
View
B+
Retailer 4
-
€22,656 EUR
$25,311 USD
View
B+
Retailer 5
-
€23,217 EUR
$25,938 USD
View
B+
Retailer 6
-
€23,561 EUR
$26,323 USD
View
Retailer 7
-
€23,613 EUR
$26,381 USD
View
Price last confirmed 35 days ago
B+
Retailer 8
-
€23,944 EUR
$26,750 USD
View
B+
Retailer 9
-
€23,944 EUR
$26,750 USD
View
B+
Retailer 10
-
€24,740 EUR
$27,640 USD
View
B+
Retailer 11
-
€24,943 EUR
CA$38,703 CAD
View
B
Retailer 12
-
€26,272 EUR
View
B
Retailer 13
-
€26,281 EUR
$29,361 USD
View
B
Retailer 14
-
€26,516 EUR
$29,624 USD
View
B
Retailer 15
-
€31,583 EUR
$35,285 USD
View
Most Expensive
B
MOH London
CD8E8B023 · Nov 1
€34,818 EUR
£30,629 GBP
View
15 more retailers have this diamond
Prices start from €21,193 EURSave up to €13,625 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
€21,193 EUR