Round|Natural|GIA

3.12ct J SI2 Round Natural Diamond

EX • J/SI2 • GIA 2534381622

Certificate GIA 2534381622

Diamond specifications and retailer prices

From $23,275 USD
CA$32,326 CAD
As of October 30, 2026
Save $15,175 USD (39%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: $38,449 USD 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 $23,275 to $38,449, a $15,175 spread on the same certified stone. MOH London lists it at $38,449. 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 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
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 30
Current: $38,449 USD|Low: $23,275 USD|High: $39,606 USD|Avg: $27,961 USD|-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 30, 2026
Retailer 11$23,275 USD
Retailer 13$23,421 USD
Retailer 7$24,946 USD
Retailer 12$25,479 USD
Retailer 3$25,544 USD
Retailer 5$25,877 USD
Retailer 9$26,340 USD
Retailer 14$26,340 USD
Retailer 10$27,220 USD
Retailer 6$28,863 USD
Retailer 2$29,059 USD
Retailer 4$29,779 USD
Retailer 8$34,691 USD
MOH London$38,449 USD

41 data points across 14 retailers

14 retailers$23,275 USD to $38,449 USD

B+
Cheapest Retailer
-
$23,275 USD
CA$32,326 CAD
B+
Retailer 2
-
$23,421 USD
View
B+
Retailer 3
-
$24,946 USD
£19,643 GBP
View
B+
Retailer 4
-
$25,479 USD
View
B+
Retailer 5
-
$25,544 USD
View
B+
Retailer 6
-
$25,877 USD
View
B+
Retailer 7
-
$26,340 USD
View
B+
Retailer 8
-
$26,340 USD
View
B+
Retailer 9
-
$27,220 USD
View
B
Retailer 10
-
$28,863 USD
View
B
Retailer 11
-
$29,059 USD
€27,675 EUR
View
B
Retailer 12
-
$29,779 USD
View
B
Retailer 13
-
$34,691 USD
View
Most Expensive
B
MOH London
C7A3F0535 · Oct 29
$38,449 USD
£30,275 GBP
View
13 more retailers have this diamond
Prices start from $23,275 USDSave up to $15,175 USD

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
$23,275 USD