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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 $40,729 SGD
HK$248,900 HKD
As of November 1, 2026
Save $33,533 SGD (45%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: $74,262 SGD 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 $40,729 to $74,262, a $33,533 spread on the same certified stone. MOH London lists it at $74,262. 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: $74,262 SGD|Low: $40,729 SGD|High: $74,660 SGD|Avg: $52,788 SGD|-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$40,729 SGD
Retailer 8$42,527 SGD
Retailer 3$46,444 SGD
Retailer 7$46,965 SGD
Retailer 2$47,913 SGD
Retailer 5$48,111 SGD
Retailer 14$49,532 SGD
Retailer 11$52,486 SGD
Retailer 12$54,673 SGD
Retailer 15$56,859 SGD
Retailer 10$57,696 SGD
Retailer 4$58,445 SGD
Retailer 9$58,484 SGD
Retailer 13$59,047 SGD
MOH London$74,262 SGD

18 data points across 15 retailers

15 retailers$40,729 SGD to $74,262 SGD

A
Cheapest Retailer
-
$40,729 SGD
HK$248,900 HKD
A
Retailer 2
-
$42,527 SGD
₹3,168,194 INR
View
B+
Retailer 3
-
$46,444 SGD
$36,330 USD
View
B+
Retailer 4
-
$46,965 SGD
$36,737 USD
View
B+
Retailer 5
-
$47,913 SGD
£29,511 GBP
View
B+
Retailer 6
-
$48,111 SGD
$37,634 USD
View
Final sale: no returns
B+
Retailer 7
-
$49,532 SGD
$38,745 USD
View
B+
Retailer 8
-
$52,486 SGD
$41,056 USD
View
B+
Retailer 9
-
$54,673 SGD
$42,767 USD
View
B+
Retailer 10
-
$56,859 SGD
$44,477 USD
View
B+
Retailer 11
-
$57,696 SGD
€42,982 EUR
View
B
Retailer 12
-
$58,445 SGD
$45,717 USD
View
B+
Retailer 13
-
$58,484 SGD
£36,022 GBP
View
B
Retailer 14
-
$59,047 SGD
$46,188 USD
View
Most Expensive
B
MOH London
0BBBE3383 · Nov 1
$74,262 SGD
£45,740 GBP
View
14 more retailers have this diamond
Prices start from $40,729 SGDSave up to $33,533 SGD

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
$40,729 SGD