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Marquise|Natural|GIA

2.51ct D SI1 Marquise Natural Diamond

EX • D/SI1 • GIA 7551511611

Certificate GIA 7551511611

Diamond specifications and retailer prices

From €28,960 EUR
$32,354 USD
As of October 30, 2026
Save €23,629 EUR (45%) vs most expensive(unlock to see where)
9 retailers carry this diamond
Most expensive: €52,589 EUR at MOH London · As of October 29, 2026
View at MOH London

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 SI1 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 7551511611. Listed at 9 retailers as of October 29, 2026, with prices from €28,960 to €52,589, a €23,629 spread on the same certified stone. MOH London lists it at €52,589. 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
Color
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 7551511611
Dimensions13.30 × 7.09 × 4.42 mm
L/W Ratio1.88
Girdle conditionThick to Very Thick
Key to symbols
Crystal, Feather, Cavity, Indented Natural
Top View
13.30 mm7.09 mm2.51 ctD / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 7551511611
Side View
Table 62.0%CrownGirdle: THK-VTKPavilionCulet: NoneDepth 62.3%

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: Oct 30
Current: €52,589 EUR|Low: €28,960 EUR|High: €55,792 EUR|Avg: €36,110 EUR|-4.9%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
October 29, 2026
Retailer 2€28,960 EUR
Retailer 8€29,010 EUR
Retailer 5€31,262 EUR
Retailer 12€32,400 EUR
Retailer 14€33,010 EUR
Retailer 9€33,467 EUR
Retailer 7€34,890 EUR
Retailer 11€34,890 EUR
Retailer 6€35,709 EUR
Retailer 10€36,285 EUR
Retailer 3€36,973 EUR
Retailer 4€37,550 EUR
Retailer 13€40,971 EUR
MOH London€52,589 EUR

20 data points across 14 retailers

9 retailers€28,960 EUR to €52,589 EUR

A
Cheapest Retailer
-
€28,960 EUR
$32,354 USD
A
Retailer 2
-
€29,010 EUR
HK$253,200 HKD
View
B+
Retailer 3
-
€31,453 EUR
A$54,060 AUD
View
B+
Retailer 4
-
€32,400 EUR
$36,197 USD
View
Final sale: no returns
B+
Retailer 5
-
€33,467 EUR
$37,389 USD
View
Retailer 6
-
€34,890 EUR
$38,979 USD
View
Price last confirmed 12 days ago
Retailer 7
-
€34,890 EUR
$38,979 USD
View
Price last confirmed 10 days ago
Retailer 8
-
€36,285 EUR
$40,538 USD
View
Price last confirmed 10 days ago
Most Expensive
B
MOH London
05229E67A · Oct 29
€52,589 EUR
£46,262 GBP
View
8 more retailers have this diamond
Prices start from €28,960 EURSave up to €23,629 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
€28,960 EUR