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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 $50,985 SGD
As of November 6, 2026
Save $37,861 SGD (43%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: $88,846 SGD 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 $50,985 to $88,846, a $37,861 spread on the same certified stone. MOH London lists it at $88,846. 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
Colour
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: $88,846 SGD|Low: $50,985 SGD|High: $92,653 SGD|Avg: $63,849 SGD|-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$50,985 SGD
Retailer 5$51,693 SGD
Retailer 13$52,287 SGD
Retailer 7$56,940 SGD
Retailer 4$57,041 SGD
Retailer 6$57,517 SGD
Retailer 11$59,418 SGD
Retailer 12$59,418 SGD
Retailer 10$61,795 SGD
Retailer 3$64,171 SGD
Retailer 8$68,923 SGD
Retailer 2$69,777 SGD
Retailer 9$72,323 SGD
MOH London$88,846 SGD

37 data points across 14 retailers

15 retailers$50,985 SGD to $88,846 SGD

A
Cheapest Retailer
-
$50,985 SGD
Retailer 2
-
$51,657 SGD
View
Price last confirmed 51 days ago
A
Retailer 3
-
$51,693 SGD
View
A
Retailer 4
-
$52,287 SGD
View
Final sale: no returns
B+
Retailer 5
-
$56,940 SGD
View
Retailer 6
-
$57,041 SGD
View
Price last confirmed 9 days ago
B+
Retailer 7
-
$57,517 SGD
View
B+
Retailer 8
-
$59,418 SGD
View
B+
Retailer 9
-
$59,418 SGD
View
B+
Retailer 10
-
$61,795 SGD
View
B+
Retailer 11
-
$64,171 SGD
View
B
Retailer 12
-
$68,923 SGD
View
B
Retailer 13
-
$69,777 SGD
View
Retailer 14
-
$72,323 SGD
View
Price last confirmed 10 days ago
Most Expensive
B
MOH London
AC9D95B13 · Nov 4
$88,846 SGD
£54,586 GBP
View
14 more retailers have this diamond
Prices start from $50,985 SGDSave up to $37,861 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.

A
3.12ct Marquise
$50,985 SGD