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Marquise|Natural|GIA

3.50ct I SI2 Marquise Natural Diamond

EX • I/SI2 • GIA 1569459555

Certificate GIA 1569459555

Diamond specifications and retailer prices

From $45,355 AUD
HK$248,900 HKD
As of November 1, 2026
Save $37,342 AUD (45%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: $82,697 AUD at MOH London · As of November 1, 2026
View at MOH London

About this 3.5ct natural marquise diamond

This 3.5ct natural marquise sits in the three to five carat band, graded I colour (near-colourless) and SI2 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 1569459555. Listed at 15 retailers as of November 1, 2026, with prices from $45,355 to $82,697, a $37,342 spread on the same certified stone. MOH London lists it at $82,697. 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

3.50
Carat
I
Colour
SI2
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryVery Good
FluorescenceFaint
OriginNatural
Grading LabGIA
CertificateGIA 1569459555
Dimensions14.73 × 7.99 × 4.99 mm
L/W Ratio1.84
Girdle conditionFaceted
Culet sizeNone
Key to symbols
Crystal, Feather, Cavity, Needle, Indented Natural
Top View
14.73 mm7.99 mm3.50 ctI / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceFaint
CertificateGIA 1569459555
Side View
Table 62.0%CrownGirdle: STK-VTKPavilionCulet: NoneDepth 62.4%

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 1
Current: $82,697 AUD|Low: $45,355 AUD|High: $83,140 AUD|Avg: $58,784 AUD|-0.5%
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
Retailer 15
November 2, 2026
Retailer 6$45,355 AUD
Retailer 9$47,358 AUD
Retailer 3$51,719 AUD
Retailer 7$52,299 AUD
Retailer 8$53,354 AUD
Retailer 5$53,576 AUD
Retailer 14$55,157 AUD
Retailer 11$58,447 AUD
Retailer 12$60,883 AUD
Retailer 15$63,317 AUD
Retailer 2$64,226 AUD
Retailer 4$65,083 AUD
Retailer 10$65,126 AUD
Retailer 13$65,753 AUD
MOH London$82,697 AUD

18 data points across 15 retailers

15 retailers$45,355 AUD to $82,697 AUD

A
Cheapest Retailer
-
$45,355 AUD
HK$248,900 HKD
A
Retailer 2
-
$47,358 AUD
₹3,168,194 INR
View
B+
Retailer 3
-
$51,719 AUD
$36,330 USD
View
B+
Retailer 4
-
$52,299 AUD
$36,737 USD
View
B+
Retailer 5
-
$53,354 AUD
£29,511 GBP
View
B+
Retailer 6
-
$53,576 AUD
$37,634 USD
View
Final sale: no returns
B+
Retailer 7
-
$55,157 AUD
$38,745 USD
View
B+
Retailer 8
-
$58,447 AUD
$41,056 USD
View
B+
Retailer 9
-
$60,883 AUD
$42,767 USD
View
B+
Retailer 10
-
$63,317 AUD
$44,477 USD
View
B+
Retailer 11
-
$64,226 AUD
€42,967 EUR
View
B
Retailer 12
-
$65,083 AUD
$45,717 USD
View
B+
Retailer 13
-
$65,126 AUD
£36,022 GBP
View
B
Retailer 14
-
$65,753 AUD
$46,188 USD
View
Most Expensive
B
MOH London
0BBBE3383 · Nov 1
$82,697 AUD
£45,740 GBP
View
14 more retailers have this diamond
Prices start from $45,355 AUDSave up to $37,342 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
3.50ct Marquise
$45,355 AUD