CaratHunter
Plans
Marquise|Natural|GIA

3.51ct E SI2 Marquise Natural Diamond

EX • E/SI2 • GIA 5566452292

Certificate GIA 5566452292

Diamond specifications and retailer prices

From $58,511 AUD
HK$321,100 HKD
As of October 30, 2026
Save $47,167 AUD (45%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: $105,678 AUD 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 $58,511 to $105,678, a $47,167 spread on the same certified stone. MOH London lists it at $105,678. 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
Colour
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: $105,678 AUD|Low: $58,511 AUD|High: $125,008 AUD|Avg: $75,859 AUD|-6.8%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
October 31, 2026
Retailer 6$58,511 AUD
Retailer 2$62,635 AUD
Retailer 5$64,404 AUD
Retailer 10$68,492 AUD
Retailer 3$68,818 AUD
Retailer 8$70,821 AUD
Retailer 7$73,765 AUD
Retailer 9$75,643 AUD
Retailer 4$81,993 AUD
MOH London$105,678 AUD

30 data points across 10 retailers

11 retailers$58,511 AUD to $105,678 AUD

A
Cheapest Retailer
-
$58,511 AUD
HK$321,100 HKD
A
Retailer 2
-
$62,635 AUD
₹4,190,220 INR
View
A
Retailer 3
-
$64,404 AUD
$45,240 USD
View
Retailer 4
-
$68,492 AUD
SGD 65,016 SGD
View
Price last confirmed 21 days ago
A
Retailer 5
-
$68,818 AUD
£38,063 GBP
View
A
Retailer 6
-
$68,971 AUD
View
A
Retailer 7
-
$70,821 AUD
$49,748 USD
View
Final sale: no returns
A
Retailer 8
-
$73,765 AUD
$51,816 USD
View
A
Retailer 9
-
$75,643 AUD
$53,135 USD
View
B+
Retailer 10
-
$81,993 AUD
€54,853 EUR
View
Most Expensive
B+
MOH London
C0F60412A · Oct 26
$105,678 AUD
£58,451 GBP
View
10 more retailers have this diamond
Prices start from $58,511 AUDSave up to $47,167 AUD

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
$58,511 AUD