Marquise|Natural|GIA

3.50ct I SI2 Marquise Natural Diamond

EX • I/SI2 • GIA 1569459555

Certificate GIA 1569459555

Diamond specifications and retailer prices

From $31,859 USD
HK$248,900 HKD
As of November 1, 2026
Save $26,231 USD (45%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: $58,090 USD 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 $31,859 to $58,090, a $26,231 spread on the same certified stone. MOH London lists it at $58,090. 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
Color
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: $58,090 USD|Low: $31,859 USD|High: $58,401 USD|Avg: $41,284 USD|-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 1, 2026
Retailer 6$31,859 USD
Retailer 2$33,266 USD
Retailer 3$36,330 USD
Retailer 7$36,737 USD
Retailer 9$37,167 USD
Retailer 5$37,634 USD
Retailer 14$38,745 USD
Retailer 11$41,056 USD
Retailer 12$42,767 USD
Retailer 15$44,477 USD
Retailer 10$45,131 USD
Retailer 4$45,717 USD
Retailer 8$45,748 USD
Retailer 13$46,188 USD
MOH London$58,090 USD

17 data points across 15 retailers

15 retailers$31,859 USD to $58,090 USD

A
Cheapest Retailer
-
$31,859 USD
HK$248,900 HKD
A
Retailer 2
-
$33,266 USD
₹3,168,194 INR
View
B+
Retailer 3
-
$36,330 USD
View
B+
Retailer 4
-
$36,737 USD
View
B+
Retailer 5
-
$37,167 USD
£29,266 GBP
View
B+
Retailer 6
-
$37,634 USD
View
Final sale: no returns
B+
Retailer 7
-
$38,745 USD
View
B+
Retailer 8
-
$41,056 USD
View
B+
Retailer 9
-
$42,767 USD
View
B+
Retailer 10
-
$44,477 USD
View
B+
Retailer 11
-
$45,131 USD
€42,982 EUR
View
B
Retailer 12
-
$45,717 USD
View
B+
Retailer 13
-
$45,748 USD
£36,022 GBP
View
B
Retailer 14
-
$46,188 USD
View
Most Expensive
B
MOH London
0BBBE3383 · Nov 1
$58,090 USD
£45,740 GBP
View
14 more retailers have this diamond
Prices start from $31,859 USDSave up to $26,231 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
3.50ct Marquise
$31,859 USD