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Marquise|Natural|GIA

2.50ct G SI1 Marquise Natural Diamond

EX • G/SI1 • GIA 6565384729

Certificate GIA 6565384729

Diamond specifications and retailer prices

From €23,688 EUR
As of November 5, 2026
Save €15,094 EUR (39%) vs most expensive(unlock to see where)
9 retailers carry this diamond
Most expensive: €38,781 EUR at MOH London · As of November 4, 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 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 6565384729. Listed at 9 retailers as of November 4, 2026, with prices from €23,688 to €38,781, a €15,094 spread on the same certified stone. MOH London lists it at €38,781. 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
G
Colour
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceMedium
OriginNatural
Grading LabGIA
CertificateGIA 6565384729
Dimensions12.87 × 6.92 × 4.54 mm
L/W Ratio1.86
Girdle conditionFaceted
Culet sizeNone
Key to symbols
Twinning Wisp, Feather, Cavity, Natural
Top View
12.87 mm6.92 mm2.50 ctG / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceMedium
CertificateGIA 6565384729
Side View
Table 57.0%CrownGirdle: THN-VTKPavilionCulet: NoneDepth 65.6%

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 5
Current: €38,781 EUR|Low: €23,688 EUR|High: €39,354 EUR|Avg: €28,459 EUR|-1.5%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
November 6, 2026
Retailer 5€23,688 EUR
Retailer 9€23,835 EUR
Retailer 3€25,325 EUR
Retailer 4€25,936 EUR
Retailer 8€27,349 EUR
Retailer 7€29,374 EUR
Retailer 6€29,637 EUR
Retailer 2€30,038 EUR
MOH London€38,781 EUR

29 data points across 9 retailers

9 retailers€23,688 EUR to €38,781 EUR

A
Cheapest Retailer
-
€23,688 EUR
A
Retailer 2
-
€23,835 EUR
View
B+
Retailer 3
-
€25,325 EUR
View
B+
Retailer 4
-
€25,936 EUR
View
B+
Retailer 5
-
€27,349 EUR
View
B+
Retailer 6
-
€29,374 EUR
View
B
Retailer 7
-
€29,637 EUR
View
B+
Retailer 8
-
€30,038 EUR
View
Most Expensive
B
MOH London
148FC0D93 · Nov 4
€38,781 EUR
£34,274 GBP
View
8 more retailers have this diamond
Prices start from €23,688 EURSave up to €15,094 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
€23,688 EUR