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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 $33,785 AUD
CA$32,885 CAD
As of November 2, 2026
Save $21,720 AUD (39%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: $55,505 AUD at MOH London · As of November 2, 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 November 2, 2026, with prices from $33,785 to $55,505, a $21,720 spread on the same certified stone. MOH London lists it at $55,505. 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
Colour
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: Nov 2
Current: $55,505 AUD|Low: $33,785 AUD|High: $57,119 AUD|Avg: $40,504 AUD|-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 3, 2026
Retailer 8$33,785 AUD
Retailer 3$33,995 AUD
Retailer 9$36,116 AUD
Retailer 7$36,209 AUD
Retailer 4$37,011 AUD
Retailer 10$37,560 AUD
Retailer 5$38,170 AUD
Retailer 6$38,170 AUD
Retailer 12$39,440 AUD
Retailer 11$41,895 AUD
Retailer 2$41,936 AUD
Retailer 13$42,270 AUD
Retailer 14$50,348 AUD
MOH London$55,505 AUD

34 data points across 14 retailers

16 retailers$33,785 AUD to $55,505 AUD

B+
Cheapest Retailer
-
$33,785 AUD
CA$32,885 CAD
B+
Retailer 2
-
$33,995 AUD
$23,825 USD
View
B+
Retailer 3
-
$36,116 AUD
$25,311 USD
View
B+
Retailer 4
-
$36,209 AUD
£19,981 GBP
View
B+
Retailer 5
-
$37,011 AUD
$25,938 USD
View
B+
Retailer 6
-
$37,560 AUD
$26,323 USD
View
Retailer 7
-
$37,643 AUD
$26,381 USD
View
Price last confirmed 37 days ago
B+
Retailer 8
-
$38,170 AUD
$26,750 USD
View
B+
Retailer 9
-
$38,170 AUD
$26,750 USD
View
B+
Retailer 10
-
$39,440 AUD
$27,640 USD
View
B+
Retailer 11
-
$39,762 AUD
CA$38,703 CAD
View
B
Retailer 12
-
$41,895 AUD
$29,361 USD
View
B
Retailer 13
-
$41,936 AUD
€27,990 EUR
View
B
Retailer 14
-
$42,270 AUD
$29,624 USD
View
B
Retailer 15
-
$50,348 AUD
$35,285 USD
View
Most Expensive
B
MOH London
CD8E8B023 · Nov 2
$55,505 AUD
£30,629 GBP
View
15 more retailers have this diamond
Prices start from $33,785 AUDSave up to $21,720 AUD

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
$33,785 AUD