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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 $30,269 SGD
CA$32,885 CAD
As of October 30, 2026
Save $19,726 SGD (39%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: $49,995 SGD 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 $30,269 to $49,995, a $19,726 spread on the same certified stone. MOH London lists it at $49,995. 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: Oct 30
Current: $49,995 SGD|Low: $30,269 SGD|High: $51,175 SGD|Avg: $36,326 SGD|-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$30,269 SGD
Retailer 3$30,457 SGD
Retailer 9$32,358 SGD
Retailer 8$32,440 SGD
Retailer 4$33,159 SGD
Retailer 10$33,651 SGD
Retailer 5$34,197 SGD
Retailer 6$34,197 SGD
Retailer 12$35,335 SGD
Retailer 11$37,535 SGD
Retailer 7$37,789 SGD
Retailer 13$37,871 SGD
Retailer 14$45,108 SGD
MOH London$49,995 SGD

31 data points across 14 retailers

16 retailers$30,269 SGD to $49,995 SGD

B+
Cheapest Retailer
-
$30,269 SGD
CA$32,885 CAD
B+
Retailer 2
-
$30,457 SGD
$23,825 USD
View
B+
Retailer 3
-
$32,358 SGD
$25,311 USD
View
B+
Retailer 4
-
$32,440 SGD
£19,981 GBP
View
B+
Retailer 5
-
$33,159 SGD
$25,938 USD
View
B+
Retailer 6
-
$33,651 SGD
$26,323 USD
View
Retailer 7
-
$33,725 SGD
$26,381 USD
View
Price last confirmed 34 days ago
B+
Retailer 8
-
$34,197 SGD
$26,750 USD
View
B+
Retailer 9
-
$34,197 SGD
$26,750 USD
View
B+
Retailer 10
-
$35,335 SGD
$27,640 USD
View
B+
Retailer 11
-
$35,624 SGD
CA$38,703 CAD
View
B
Retailer 12
-
$37,535 SGD
$29,361 USD
View
B
Retailer 13
-
$37,789 SGD
€28,152 EUR
View
B
Retailer 14
-
$37,871 SGD
$29,624 USD
View
B
Retailer 15
-
$45,108 SGD
$35,285 USD
View
Most Expensive
B
MOH London
CD8E8B023 · Oct 29
$49,995 SGD
£30,793 GBP
View
15 more retailers have this diamond
Prices start from $30,269 SGDSave up to $19,726 SGD

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
$30,269 SGD