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Marquise|Natural|GIA

2.50ct D SI1 Marquise Natural Diamond

EX • D/SI1 • GIA 6552669391

Certificate GIA 6552669391

Diamond specifications and retailer prices

From €29,152 EUR
$32,697 USD
As of November 2, 2026
Save €23,262 EUR (44%) vs most expensive(unlock to see where)
7 retailers carry this diamond
Most expensive: €52,414 EUR at MOH London · As of November 1, 2026
View at MOH London

About this 2.5ct natural marquise diamond

This 2.5ct natural marquise sits in the two to three 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 6552669391. Listed at 7 retailers as of November 1, 2026, with prices from €29,152 to €52,414, a €23,262 spread on the same certified stone. MOH London lists it at €52,414. 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

2.50
Carat
D
Color
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishVery Good
SymmetryExcellent
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 6552669391
Dimensions13.38 × 6.99 × 4.52 mm
L/W Ratio1.91
Key to symbols
Feather, Crystal, Cavity, Needle, Natural
Top View
13.38 mm6.99 mm2.50 ctD / SI1
OriginNatural
CutExcellent
PolishVery Good
SymmetryExcellent
FluorescenceNone
CertificateGIA 6552669391
Side View
Table 60.0%CrownGirdle: THN-THKPavilionCulet: NoneDepth 64.6%

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 2
Current: €52,414 EUR|Low: €26,291 EUR|High: €52,975 EUR|Avg: €35,944 EUR|+9.6%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
November 2, 2026
Retailer 6€29,152 EUR
Retailer 4€31,914 EUR
Retailer 7€32,124 EUR
Retailer 5€32,769 EUR
Retailer 3€33,818 EUR
Retailer 2€40,709 EUR
MOH London€52,414 EUR

40 data points across 7 retailers

7 retailers€29,152 EUR to €52,414 EUR

A
Cheapest Retailer
-
€29,152 EUR
$32,697 USD
B+
Retailer 2
-
€31,914 EUR
A$55,069 AUD
View
Retailer 3
-
€32,124 EUR
A$55,432 AUD
View
Price last confirmed 29 days ago
B+
Retailer 4
-
€32,769 EUR
$36,754 USD
View
Final sale: no returns
B+
Retailer 5
-
€33,818 EUR
£29,867 GBP
View
B
Retailer 6
-
€40,709 EUR
View
Most Expensive
B
MOH London
0B74D445F · Nov 1
€52,414 EUR
£46,290 GBP
View
6 more retailers have this diamond
Prices start from €29,152 EURSave up to €23,262 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.

A
2.50ct Marquise
€29,152 EUR