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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 €35,469 EUR
$39,782 USD
As of November 2, 2026
Save €26,506 EUR (43%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: €61,975 EUR at MOH London · As of November 2, 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 2, 2026, with prices from €35,469 to €61,975, a €26,506 spread on the same certified stone. MOH London lists it at €61,975. 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 2
Current: €61,975 EUR|Low: €35,469 EUR|High: €64,457 EUR|Avg: €44,350 EUR|-3.7%
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 2, 2026
Retailer 14€35,469 EUR
Retailer 5€35,962 EUR
Retailer 13€36,375 EUR
Retailer 4€39,682 EUR
Retailer 8€40,006 EUR
Retailer 6€40,013 EUR
Retailer 11€41,335 EUR
Retailer 12€41,335 EUR
Retailer 10€42,989 EUR
Retailer 3€44,642 EUR
Retailer 7€48,134 EUR
Retailer 2€48,803 EUR
Retailer 9€50,314 EUR
MOH London€61,975 EUR

35 data points across 14 retailers

15 retailers€35,469 EUR to €61,975 EUR

A
Cheapest Retailer
-
€35,469 EUR
$39,782 USD
Retailer 2
-
€35,937 EUR
HK$314,900 HKD
View
Price last confirmed 46 days ago
A
Retailer 3
-
€35,962 EUR
$40,335 USD
View
A
Retailer 4
-
€36,375 EUR
$40,798 USD
View
Final sale: no returns
B+
Retailer 5
-
€39,682 EUR
$44,508 USD
View
B+
Retailer 6
-
€40,006 EUR
£35,331 GBP
View
B+
Retailer 7
-
€40,013 EUR
$44,879 USD
View
B+
Retailer 8
-
€41,335 EUR
$46,362 USD
View
B+
Retailer 9
-
€41,335 EUR
$46,362 USD
View
B+
Retailer 10
-
€42,989 EUR
$48,217 USD
View
B+
Retailer 11
-
€44,642 EUR
$50,071 USD
View
B
Retailer 12
-
€48,134 EUR
View
B
Retailer 13
-
€48,803 EUR
£43,101 GBP
View
B+
Retailer 14
-
€50,314 EUR
£44,435 GBP
View
Most Expensive
B
MOH London
AC9D95B13 · Nov 2
€61,975 EUR
£54,733 GBP
View
14 more retailers have this diamond
Prices start from €35,469 EURSave up to €26,506 EUR

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
€35,469 EUR