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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 $29,754 SGD
CA$32,326 CAD
As of October 30, 2026
Save $19,399 SGD (39%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: $49,154 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 2534381622. Listed at 14 retailers as of October 29, 2026, with prices from $29,754 to $49,154, a $19,399 spread on the same certified stone. MOH London lists it at $49,154. 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 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: $49,154 SGD|Low: $29,754 SGD|High: $50,633 SGD|Avg: $35,755 SGD|-2.9%
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 31, 2026
Retailer 11$29,754 SGD
Retailer 13$29,941 SGD
Retailer 2$31,892 SGD
Retailer 12$32,572 SGD
Retailer 3$32,655 SGD
Retailer 5$33,081 SGD
Retailer 9$33,673 SGD
Retailer 14$33,673 SGD
Retailer 10$34,798 SGD
Retailer 6$36,898 SGD
Retailer 7$37,149 SGD
Retailer 4$38,069 SGD
Retailer 8$44,349 SGD
MOH London$49,154 SGD

41 data points across 14 retailers

14 retailers$29,754 SGD to $49,154 SGD

B+
Cheapest Retailer
-
$29,754 SGD
CA$32,326 CAD
B+
Retailer 2
-
$29,941 SGD
$23,421 USD
View
B+
Retailer 3
-
$31,892 SGD
£19,643 GBP
View
B+
Retailer 4
-
$32,572 SGD
$25,479 USD
View
B+
Retailer 5
-
$32,655 SGD
$25,544 USD
View
B+
Retailer 6
-
$33,081 SGD
$25,877 USD
View
B+
Retailer 7
-
$33,673 SGD
$26,340 USD
View
B+
Retailer 8
-
$33,673 SGD
$26,340 USD
View
B+
Retailer 9
-
$34,798 SGD
$27,220 USD
View
B
Retailer 10
-
$36,898 SGD
$28,863 USD
View
B
Retailer 11
-
$37,149 SGD
€27,675 EUR
View
B
Retailer 12
-
$38,069 SGD
$29,779 USD
View
B
Retailer 13
-
$44,349 SGD
$34,691 USD
View
Most Expensive
B
MOH London
C7A3F0535 · Oct 29
$49,154 SGD
£30,275 GBP
View
13 more retailers have this diamond
Prices start from $29,754 SGDSave up to $19,399 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
$29,754 SGD