Marquise|Natural|GIA

3.50ct H SI1 Marquise Natural Diamond

EX • H/SI1 • GIA 1569209575

Certificate GIA 1569209575

Diamond specifications and retailer prices

From $43,975 USD
As of October 28, 2026
Save $36,393 USD (45%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: $80,368 USD at MOH London · As of November 2, 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 H colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 1569209575. Listed at 14 retailers as of October 28, 2026, with prices from $43,975 to $80,368, a $36,393 spread on the same certified stone. MOH London lists it at $80,368. 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
H
Color
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryVery Good
FluorescenceMedium
OriginNatural
Grading LabGIA
CertificateGIA 1569209575
Dimensions15.44 × 7.83 × 4.94 mm
L/W Ratio1.97
Culet sizeNone
Top View
15.44 mm7.83 mm3.50 ctH / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceMedium
CertificateGIA 1569209575
Side View
Table 58.0%CrownGirdle: STK-THKPavilionCulet: NoneDepth 63.1%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 28
Current: $80,368 USD|Low: $43,975 USD|High: $81,337 USD|Avg: $53,726 USD|-0.9%
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
November 2, 2026
Retailer 3$43,975 USD
Retailer 5$45,961 USD
Retailer 2$46,544 USD
Retailer 14$47,152 USD
Retailer 6$48,918 USD
Retailer 8$48,999 USD
Retailer 4$50,312 USD
Retailer 10$51,286 USD
Retailer 9$51,899 USD
Retailer 11$53,420 USD
Retailer 12$53,420 USD
Retailer 13$55,200 USD
Retailer 7$62,420 USD
MOH London$80,368 USD

28 data points across 14 retailers

14 retailers$43,975 USD to $80,368 USD

B+
Cheapest Retailer
-
$43,975 USD
B+
Retailer 2
-
$45,961 USD
View
B+
Retailer 3
-
$46,544 USD
₹4,432,784 INR
View
B+
Retailer 4
-
$47,152 USD
View
B
Retailer 5
-
$48,918 USD
View
B
Retailer 6
-
$48,999 USD
A$75,383 AUD
View
B+
Retailer 7
-
$50,312 USD
View
B+
Retailer 8
-
$51,286 USD
View
B+
Retailer 9
-
$51,899 USD
£40,865 GBP
View
B
Retailer 10
-
$53,420 USD
View
B
Retailer 11
-
$53,420 USD
View
B
Retailer 12
-
$55,200 USD
View
B
Retailer 13
-
$62,420 USD
€59,448 EUR
View
Most Expensive
B
MOH London
E34D1E698 · Nov 2
$80,368 USD
£63,282 GBP
View
13 more retailers have this diamond
Prices start from $43,975 USDSave up to $36,393 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.

B+
3.50ct Marquise
$43,975 USD