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Marquise|Natural|GIA

1.50ct D SI1 Marquise Natural Diamond

ID • D/SI1 • GIA 1549494456

Certificate GIA 1549494456

Diamond specifications and retailer prices

From €10,345 EUR
$11,557 USD
As of October 30, 2026
Save €7,635 EUR (42%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: €17,979 EUR at MOH London · As of October 29, 2026
View at MOH London

About this 1.5ct natural marquise diamond

This 1.5ct natural marquise sits in the one-and-a-half to two carat band, graded D colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 1549494456. Listed at 14 retailers as of October 29, 2026, with prices from €10,345 to €17,979, a €7,635 spread on the same certified stone. MOH London lists it at €17,979. 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

1.50
Carat
D
Color
SI1
Clarity
Ideal
Cut (retailer stated)

Specifications

Cut (retailer stated)Ideal
PolishExcellent
SymmetryExcellent
FluorescenceFaint
OriginNatural
Grading LabGIA
CertificateGIA 1549494456
Dimensions11.44 × 5.88 × 3.74 mm
L/W Ratio1.95
Girdle conditionFaceted
Culet sizeNone
Cert comments
Pinpoints are not shown.
Top View
11.44 mm5.88 mm1.50 ctD / SI1
OriginNatural
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateGIA 1549494456
Side View
Table 57.0%CrownGirdle: STK-THKPavilionCulet: NoneDepth 63.6%

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 30
Current: €17,979 EUR|Low: €10,227 EUR|High: €18,100 EUR|Avg: €13,099 EUR|+0.4%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
October 31, 2026
Retailer 7€10,345 EUR
Retailer 5€10,973 EUR
Retailer 3€11,451 EUR
Retailer 6€12,214 EUR
Retailer 4€12,344 EUR
Retailer 9€12,405 EUR
Retailer 11€12,882 EUR
Retailer 10€12,969 EUR
Retailer 2€14,428 EUR
Retailer 8€16,222 EUR
MOH London€17,979 EUR

41 data points across 11 retailers

14 retailers€10,345 EUR to €17,979 EUR

B+
Cheapest Retailer
-
€10,345 EUR
$11,557 USD
B+
Retailer 2
-
€10,729 EUR
$11,987 USD
View
B+
Retailer 3
-
€10,893 EUR
A$18,723 AUD
View
B+
Retailer 4
-
€10,973 EUR
$12,259 USD
View
Final sale: no returns
B+
Retailer 5
-
€11,070 EUR
$12,367 USD
View
B+
Retailer 6
-
€12,214 EUR
$13,646 USD
View
B+
Retailer 7
-
€12,344 EUR
£10,859 GBP
View
B+
Retailer 8
-
€12,405 EUR
$13,859 USD
View
B+
Retailer 9
-
€12,882 EUR
$14,392 USD
View
B
Retailer 10
-
€12,969 EUR
$14,489 USD
View
B
Retailer 11
-
€13,569 EUR
$15,159 USD
View
B
Retailer 12
-
€14,428 EUR
View
B
Retailer 13
-
€16,222 EUR
$18,123 USD
View
Most Expensive
B
MOH London
4652BB7B6 · Oct 29
€17,979 EUR
£15,816 GBP
View
13 more retailers have this diamond
Prices start from €10,345 EURSave up to €7,635 EUR

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+
1.50ct Marquise
€10,345 EUR