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Marquise|Natural|GIA

1.50ct G SI1 Marquise Natural Diamond

EX • G/SI1 • GIA 2554551416

Certificate GIA 2554551416

Diamond specifications and retailer prices

From €8,438 EUR
$9,464 USD
As of November 2, 2026
Save €6,323 EUR (43%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: €14,761 EUR at MOH London · As of November 2, 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 G 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 2554551416. Listed at 15 retailers as of November 2, 2026, with prices from €8,438 to €14,761, a €6,323 spread on the same certified stone. MOH London lists it at €14,761. 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
G
Color
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 2554551416
Dimensions11.26 × 5.93 × 3.75 mm
L/W Ratio1.90
Key to symbols
Feather, Crystal, Cloud, Needle, Natural
Top View
11.26 mm5.93 mm1.50 ctG / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateGIA 2554551416
Side View
Table 59.0%CrownGirdle: STK-STKPavilionCulet: NoneDepth 63.2%

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: Nov 2
Current: €14,761 EUR|Low: €8,328 EUR|High: €14,939 EUR|Avg: €10,478 EUR|-0.1%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
November 3, 2026
Retailer 7€8,438 EUR
Retailer 4€8,851 EUR
Retailer 10€8,855 EUR
Retailer 9€9,125 EUR
Retailer 5€9,451 EUR
Retailer 2€10,316 EUR
Retailer 8€11,030 EUR
Retailer 6€11,145 EUR
Retailer 11€11,145 EUR
Retailer 3€11,519 EUR
MOH London€14,761 EUR

41 data points across 11 retailers

15 retailers€8,438 EUR to €14,761 EUR

B+
Cheapest Retailer
-
€8,438 EUR
$9,464 USD
B+
Retailer 2
-
€8,851 EUR
$9,927 USD
View
B+
Retailer 3
-
€8,855 EUR
$9,932 USD
View
B+
Retailer 4
-
€8,964 EUR
A$15,468 AUD
View
B+
Retailer 5
-
€9,125 EUR
CA$14,214 CAD
View
B
Retailer 6
-
€9,451 EUR
$10,600 USD
View
Final sale: no returns
Retailer 7
-
€10,239 EUR
$11,484 USD
View
Price last confirmed 43 days ago
B+
Retailer 8
-
€10,316 EUR
£9,110 GBP
View
B
Retailer 9
-
€11,030 EUR
$12,371 USD
View
B
Retailer 10
-
€11,145 EUR
$12,500 USD
View
B
Retailer 11
-
€11,145 EUR
$12,500 USD
View
B
Retailer 12
-
€11,519 EUR
$12,920 USD
View
Retailer 13
-
€11,814 EUR
$13,251 USD
View
Price last confirmed 44 days ago
Retailer 14
-
€11,814 EUR
$13,251 USD
View
Price last confirmed 49 days ago
Most Expensive
B
MOH London
C3DA0E18E · Nov 2
€14,761 EUR
£13,036 GBP
View
14 more retailers have this diamond
Prices start from €8,438 EURSave up to €6,323 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
€8,438 EUR