Marquise|Natural|GIA

2.50ct D SI1 Marquise Natural Diamond

EX • D/SI1

Diamond specifications and retailer prices

From €32,918 EUR
CA$51,078 CAD
As of October 30, 2026
Save €8,257 EUR (20%) vs most expensive(unlock to see where)
2 retailers carry this diamond
Most expensive: €41,175 EUR at The Diamond Guys · As of October 31, 2026
View at The Diamond Guys

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. Listed at 2 retailers as of October 30, 2026, with prices from €32,918 to €41,175, a €8,257 spread on the same certified stone. The Diamond Guys lists it at €41,175. 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
PolishExcellent
SymmetryVery Good
FluorescenceNone
OriginNatural
Grading LabGIA
Dimensions15.18 × 6.97 × 4.04 mm
L/W Ratio2.18
Top View
15.18 mm6.97 mm2.50 ctD / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateGIA
Side View
Table 62.0%CrownGirdle: Slightly ThickPavilionCuletDepth 57.9%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 30
Current: €36,649 EUR|Low: €32,918 EUR|High: €41,175 EUR|Avg: €37,668 EUR
Retailer 1
Retailer 2
The Diamond Guys
September 25, 2026
Retailer 2€32,918 EUR
Retailer 1€36,649 EUR
The Diamond Guys€41,175 EUR

3 data points across 3 retailers

2 retailers€32,918 EUR to €41,175 EUR

B+
Cheapest Retailer
-
€32,918 EUR
CA$51,078 CAD
Most Expensive
B
The Diamond Guys
1960516456 · Oct 31
€41,175 EUR
$46,001 USD
View
1 more retailer has this diamond
Prices start from €32,918 EURSave up to €8,257 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+
2.50ct Marquise
€32,918 EUR