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Marquise|Natural|GIA

3.51ct E SI2 Marquise Natural Diamond

EX • E/SI2 • GIA 5566452292

Certificate GIA 5566452292

Diamond specifications and retailer prices

From €36,789 EUR
HK$321,100 HKD
As of October 30, 2026
Save €29,566 EUR (45%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: €66,355 EUR at MOH London · As of November 1, 2026
View at MOH London

About this 3.51ct natural marquise diamond

This 3.51ct natural marquise sits in the three to five carat band, graded E 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 5566452292. Listed at 11 retailers as of October 30, 2026, with prices from €36,789 to €66,355, a €29,566 spread on the same certified stone. MOH London lists it at €66,355. 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

3.51
Carat
E
Color
SI2
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceMedium
OriginNatural
Grading LabGIA
CertificateGIA 5566452292
Dimensions15.01 × 7.89 × 4.80 mm
L/W Ratio1.90
Culet sizeNone
Key to symbols
Twinning Wisp, Crystal, Feather, Indented Natural, Natural
Top View
15.01 mm7.89 mm3.51 ctE / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceMedium
CertificateGIA 5566452292
Side View
Table 61.0%CrownGirdle: STK-VTKPavilionCulet: NoneDepth 60.9%

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: Oct 30
Current: €66,355 EUR|Low: €36,789 EUR|High: €78,599 EUR|Avg: €47,632 EUR|-6.9%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
November 1, 2026
Retailer 6€36,789 EUR
Retailer 2€39,382 EUR
Retailer 5€40,494 EUR
Retailer 10€43,064 EUR
Retailer 3€43,269 EUR
Retailer 8€44,529 EUR
Retailer 7€46,380 EUR
Retailer 9€47,561 EUR
Retailer 4€51,553 EUR
MOH London€66,355 EUR

31 data points across 10 retailers

11 retailers€36,789 EUR to €66,355 EUR

A
Cheapest Retailer
-
€36,789 EUR
HK$321,100 HKD
A
Retailer 2
-
€39,382 EUR
₹4,190,220 INR
View
A
Retailer 3
-
€40,494 EUR
$45,240 USD
View
Retailer 4
-
€43,064 EUR
SGD 65,016 SGD
View
Price last confirmed 22 days ago
A
Retailer 5
-
€43,269 EUR
£38,063 GBP
View
A
Retailer 6
-
€43,365 EUR
A$74,536 AUD
View
A
Retailer 7
-
€44,529 EUR
$49,748 USD
View
Final sale: no returns
A
Retailer 8
-
€46,380 EUR
$51,816 USD
View
A
Retailer 9
-
€47,561 EUR
$53,135 USD
View
B+
Retailer 10
-
€51,553 EUR
View
Most Expensive
B
MOH London
C0F60412A · Nov 1
€66,355 EUR
£58,372 GBP
View
10 more retailers have this diamond
Prices start from €36,789 EURSave up to €29,566 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
3.51ct Marquise
€36,789 EUR