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Marquise|Natural|GIA

3.12ct F SI2 Marquise Natural Diamond

EX • F/SI2 • GIA 1548415509

Certificate GIA 1548415509

Diamond specifications and retailer prices

From $55,957 CAD
As of November 6, 2026
Save $41,554 CAD (43%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: $97,511 CAD at MOH London · As of November 4, 2026
View at MOH London

About this 3.12ct natural marquise diamond

This 3.12ct natural marquise sits in the three to five carat band, graded F colour (colourless) and SI2 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 1548415509. Listed at 15 retailers as of November 4, 2026, with prices from $55,957 to $97,511, a $41,554 spread on the same certified stone. MOH London lists it at $97,511. 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
F
Color
SI2
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 1548415509
Dimensions15.67 × 7.68 × 4.57 mm
L/W Ratio2.04
Girdle conditionFaceted
Key to symbols
Twinning Wisp, Feather, Crystal, Natural
Top View
15.67 mm7.68 mm3.12 ctF / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 1548415509
Side View
Table 61.0%CrownGirdle: MED-THKPavilionCulet: NoneDepth 59.5%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 6
Current: $97,511 CAD|Low: $55,957 CAD|High: $101,690 CAD|Avg: $70,076 CAD|-4.1%
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 6, 2026
Retailer 14$55,957 CAD
Retailer 5$56,735 CAD
Retailer 13$57,386 CAD
Retailer 7$62,494 CAD
Retailer 4$62,605 CAD
Retailer 6$63,127 CAD
Retailer 11$65,213 CAD
Retailer 12$65,213 CAD
Retailer 10$67,822 CAD
Retailer 3$70,430 CAD
Retailer 8$75,646 CAD
Retailer 2$76,582 CAD
Retailer 9$79,377 CAD
MOH London$97,511 CAD

37 data points across 14 retailers

15 retailers$55,957 CAD to $97,511 CAD

A
Cheapest Retailer
-
$55,957 CAD
Retailer 2
-
$56,696 CAD
View
Price last confirmed 50 days ago
A
Retailer 3
-
$56,735 CAD
View
A
Retailer 4
-
$57,386 CAD
View
Final sale: no returns
B+
Retailer 5
-
$62,494 CAD
View
Retailer 6
-
$62,605 CAD
View
Price last confirmed 8 days ago
B+
Retailer 7
-
$63,127 CAD
View
B+
Retailer 8
-
$65,213 CAD
View
B+
Retailer 9
-
$65,213 CAD
View
B+
Retailer 10
-
$67,822 CAD
View
B+
Retailer 11
-
$70,430 CAD
View
B
Retailer 12
-
$75,646 CAD
View
B
Retailer 13
-
$76,582 CAD
View
Retailer 14
-
$79,377 CAD
View
Price last confirmed 9 days ago
Most Expensive
B
MOH London
AC9D95B13 · Nov 4
$97,511 CAD
£54,586 GBP
View
14 more retailers have this diamond
Prices start from $55,957 CADSave up to $41,554 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.

A
3.12ct Marquise
$55,957 CAD