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Marquise|Natural|GIA

2.51ct D SI2 Marquise Natural Diamond

EX • D/SI2

Diamond specifications and retailer prices

From €27,497 EUR
$30,841 USD
As of November 2, 2026
Save €9,933 EUR (27%) vs most expensive(unlock to see where)
6 retailers carry this diamond
Most expensive: €37,430 EUR at The Diamond Guys · As of November 2, 2026
View at The Diamond Guys

About this 2.51ct natural marquise diamond

This 2.51ct natural marquise sits in the two to three carat band, graded D colour (colourless) and SI2 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA. Listed at 6 retailers as of November 2, 2026, with prices from €27,497 to €37,430, a €9,933 spread on the same certified stone. The Diamond Guys lists it at €37,430. 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

2.51
Carat
D
Colour
SI2
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryVery Good
FluorescenceFaint
OriginNatural
Grading LabGIA
Dimensions12.90 × 7.02 × 4.46 mm
L/W Ratio1.84
Top View
12.90 mm7.02 mm2.51 ctD / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceFaint
CertificateGIA
Side View
Table 57.0%CrownGirdle: Very ThickPavilionCulet: NoneDepth 63.6%

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: €35,164 EUR|Low: €27,240 EUR|High: €37,430 EUR|Avg: €33,202 EUR|-0.1%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
The Diamond Guys
November 2, 2026
Retailer 3€27,497 EUR
Retailer 5€30,183 EUR
Retailer 2€31,383 EUR
Retailer 6€34,848 EUR
Retailer 1€35,164 EUR
Retailer 4€35,360 EUR
The Diamond Guys€37,430 EUR

42 data points across 7 retailers

6 retailers€27,497 EUR to €37,430 EUR

A
Cheapest Retailer
-
€27,497 EUR
$30,841 USD
B+
Retailer 2
-
€30,183 EUR
CA$47,019 CAD
View
B+
Retailer 3
-
€31,383 EUR
$35,199 USD
View
B
Retailer 4
-
€34,848 EUR
$39,086 USD
View
B
Retailer 5
-
€35,164 EUR
£31,056 GBP
View
Most Expensive
B
The Diamond Guys
1965159174 · Nov 2
€37,430 EUR
$41,982 USD
View
5 more retailers have this diamond
Prices start from €27,497 EURSave up to €9,933 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
2.51ct Marquise
€27,497 EUR