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Marquise|Natural|GIA

1.50ct I SI2 Marquise Natural Diamond

EX • I/SI2 • GIA 2556380273

Certificate GIA 2556380273

Diamond specifications and retailer prices

From €5,862 EUR
$6,549 USD
As of October 30, 2026
Save €4,533 EUR (44%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: €10,395 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 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 2556380273. Listed at 14 retailers as of October 29, 2026, with prices from €5,862 to €10,395, a €4,533 spread on the same certified stone. MOH London lists it at €10,395. 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
I
Color
SI2
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishVery Good
SymmetryVery Good
FluorescenceMedium
OriginNatural
Grading LabGIA
CertificateGIA 2556380273
Dimensions11.18 × 5.86 × 3.78 mm
L/W Ratio1.91
Girdle conditionFaceted
Culet sizeNone
Top View
11.18 mm5.86 mm1.50 ctI / SI2
OriginNatural
CutExcellent
PolishVery Good
SymmetryVery Good
FluorescenceMedium
CertificateGIA 2556380273
Side View
Table 56.0%CrownGirdle: STK-VTKPavilionCulet: NoneDepth 64.6%

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: €10,395 EUR|Low: €5,687 EUR|High: €10,464 EUR|Avg: €7,141 EUR|-0.7%
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
Retailer 16
Retailer 17
Retailer 18
October 30, 2026
Retailer 18€5,862 EUR
Retailer 8€5,904 EUR
Retailer 10€6,033 EUR
Retailer 9€6,108 EUR
Retailer 4€6,204 EUR
Retailer 17€6,204 EUR
Retailer 3€6,256 EUR
Retailer 5€6,824 EUR
Retailer 11€7,001 EUR
Retailer 2€7,259 EUR
Retailer 13€7,420 EUR
Retailer 15€7,420 EUR
Retailer 14€7,662 EUR
Retailer 6€7,686 EUR
Retailer 16€7,755 EUR
Retailer 12€8,094 EUR
Retailer 7€8,171 EUR
MOH London€10,395 EUR

23 data points across 18 retailers

14 retailers€5,862 EUR to €10,395 EUR

B+
Cheapest Retailer
-
€5,862 EUR
$6,549 USD
B+
Retailer 2
-
€6,204 EUR
$6,931 USD
View
Final sale: no returns
Retailer 3
-
€6,204 EUR
$6,931 USD
View
Price last confirmed 21 days ago
B+
Retailer 4
-
€6,256 EUR
$6,989 USD
View
B+
Retailer 5
-
€6,824 EUR
$7,624 USD
View
B+
Retailer 6
-
€7,001 EUR
£6,159 GBP
View
B+
Retailer 7
-
€7,259 EUR
£6,385 GBP
View
B
Retailer 8
-
€7,420 EUR
$8,290 USD
View
B
Retailer 9
-
€7,420 EUR
$8,290 USD
View
B
Retailer 10
-
€7,662 EUR
$8,560 USD
View
B
Retailer 11
-
€7,755 EUR
$8,664 USD
View
B
Retailer 12
-
€8,094 EUR
View
Retailer 13
-
€8,171 EUR
$9,129 USD
View
Price last confirmed 19 days ago
Most Expensive
B
MOH London
1FA2D8523 · Oct 29
€10,395 EUR
£9,144 GBP
View
13 more retailers have this diamond
Prices start from €5,862 EURSave up to €4,533 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
€5,862 EUR