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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 $33,074 CAD
As of October 30, 2026
Save $21,554 CAD (39%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: $54,629 CAD at MOH London · As of October 29, 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 29, 2026, with prices from $33,074 to $54,629, a $21,554 spread on the same certified stone. MOH London lists it at $54,629. 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: $54,629 CAD|Low: $33,074 CAD|High: $55,918 CAD|Avg: $39,693 CAD|-2.2%
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
October 30, 2026
Retailer 2$33,074 CAD
Retailer 3$33,280 CAD
Retailer 9$35,357 CAD
Retailer 8$35,447 CAD
Retailer 4$36,233 CAD
Retailer 10$36,771 CAD
Retailer 5$37,367 CAD
Retailer 6$37,367 CAD
Retailer 12$38,610 CAD
Retailer 11$41,014 CAD
Retailer 7$41,292 CAD
Retailer 13$41,382 CAD
Retailer 14$49,290 CAD
MOH London$54,629 CAD

31 data points across 14 retailers

16 retailers$33,074 CAD to $54,629 CAD

B+
Cheapest Retailer
-
$33,074 CAD
B+
Retailer 2
-
$33,280 CAD
$23,825 USD
View
B+
Retailer 3
-
$35,357 CAD
$25,311 USD
View
B+
Retailer 4
-
$35,447 CAD
£19,981 GBP
View
B+
Retailer 5
-
$36,233 CAD
$25,938 USD
View
B+
Retailer 6
-
$36,771 CAD
$26,323 USD
View
Retailer 7
-
$36,852 CAD
$26,381 USD
View
Price last confirmed 34 days ago
B+
Retailer 8
-
$37,367 CAD
$26,750 USD
View
B+
Retailer 9
-
$37,367 CAD
$26,750 USD
View
B+
Retailer 10
-
$38,610 CAD
$27,640 USD
View
B+
Retailer 11
-
$38,926 CAD
View
B
Retailer 12
-
$41,014 CAD
$29,361 USD
View
B
Retailer 13
-
$41,292 CAD
€28,152 EUR
View
B
Retailer 14
-
$41,382 CAD
$29,624 USD
View
B
Retailer 15
-
$49,290 CAD
$35,285 USD
View
Most Expensive
B
MOH London
CD8E8B023 · Oct 29
$54,629 CAD
£30,793 GBP
View
15 more retailers have this diamond
Prices start from $33,074 CADSave up to $21,554 CAD

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
$33,074 CAD