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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 $41,101 USD
HK$321,100 HKD
As of October 29, 2026
Save $33,132 USD (45%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: $74,233 USD at MOH London · As of October 26, 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 26, 2026, with prices from $41,101 to $74,233, a $33,132 spread on the same certified stone. MOH London lists it at $74,233. 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 29
Current: $74,233 USD|Low: $41,101 USD|High: $87,812 USD|Avg: $53,364 USD|-6.8%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
October 30, 2026
Retailer 6$41,101 USD
Retailer 2$44,151 USD
Retailer 5$45,240 USD
Retailer 4$48,049 USD
Retailer 10$48,112 USD
Retailer 8$49,748 USD
Retailer 7$51,816 USD
Retailer 9$53,135 USD
Retailer 3$57,504 USD
MOH London$74,233 USD

29 data points across 10 retailers

11 retailers$41,101 USD to $74,233 USD

A
Cheapest Retailer
-
$41,101 USD
HK$321,100 HKD
A
Retailer 2
-
$44,151 USD
₹4,204,810 INR
View
A
Retailer 3
-
$45,240 USD
View
A
Retailer 4
-
$48,049 USD
£37,833 GBP
View
Retailer 5
-
$48,112 USD
SGD 65,016 SGD
View
Price last confirmed 20 days ago
A
Retailer 6
-
$48,448 USD
A$74,536 AUD
View
A
Retailer 7
-
$49,748 USD
View
Final sale: no returns
A
Retailer 8
-
$51,816 USD
View
A
Retailer 9
-
$53,135 USD
View
B+
Retailer 10
-
$57,504 USD
€54,766 EUR
View
Most Expensive
B+
MOH London
C0F60412A · Oct 26
$74,233 USD
£58,451 GBP
View
10 more retailers have this diamond
Prices start from $41,101 USDSave up to $33,132 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.

A
3.51ct Marquise
$41,101 USD