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Cushion|Natural|GIA

2.51ct H SI1 Cushion Natural Diamond

ID • H/SI1 • GIA 2546435877

Certificate GIA 2546435877

Diamond specifications and retailer prices

From €15,712 EUR
As of November 3, 2026
Save €10,009 EUR (39%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: €25,721 EUR at MOH London · As of November 2, 2026
View at MOH London

About this 2.51ct natural cushion diamond

This 2.51ct natural cushion sits in the two to three carat band, graded H 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 2546435877. Listed at 12 retailers as of November 2, 2026, with prices from €15,712 to €25,721, a €10,009 spread on the same certified stone. MOH London lists it at €25,721. 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
H
Colour
SI1
Clarity
Ideal
Cut (retailer stated)

Specifications

Cut (retailer stated)Ideal
PolishExcellent
SymmetryExcellent
FluorescenceMedium
OriginNatural
Grading LabGIA
CertificateGIA 2546435877
Dimensions8.67 × 6.94 × 4.76 mm
L/W Ratio1.25
Top View
8.67 mm6.94 mm2.51 ctH / SI1
OriginNatural
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceMedium
CertificateGIA 2546435877
Side View
Table 61.0%CrownGirdle: THK-VTKPavilionCulet: NoneDepth 68.7%

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 3
Current: €25,721 EUR|Low: €15,614 EUR|High: €30,325 EUR|Avg: €21,526 EUR|-14.2%
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
November 5, 2026
Retailer 3€15,712 EUR
Retailer 7€17,143 EUR
Retailer 10€17,360 EUR
Retailer 11€18,028 EUR
Retailer 13€18,271 EUR
Retailer 14€18,271 EUR
Retailer 4€18,881 EUR
Retailer 12€19,363 EUR
Retailer 8€19,901 EUR
Retailer 9€19,977 EUR
Retailer 5€20,292 EUR
Retailer 2€20,984 EUR
Retailer 6€25,236 EUR
MOH London€25,721 EUR

26 data points across 14 retailers

12 retailers€15,712 EUR to €25,721 EUR

A
Cheapest Retailer
-
€15,712 EUR
A
Retailer 2
-
€17,143 EUR
View
B+
Retailer 3
-
€17,360 EUR
View
B+
Retailer 4
-
€18,028 EUR
View
B+
Retailer 5
-
€18,271 EUR
View
Retailer 6
-
€18,271 EUR
View
Price last confirmed 8 days ago
Retailer 7
-
€18,881 EUR
View
Price last confirmed 8 days ago
B+
Retailer 8
-
€19,363 EUR
View
B+
Retailer 9
-
€19,901 EUR
View
B+
Retailer 10
-
€19,977 EUR
View
B
Retailer 11
-
€20,984 EUR
View
Most Expensive
B
MOH London
F29B78666 · Nov 2
€25,721 EUR
£22,612 GBP
View
11 more retailers have this diamond
Prices start from €15,712 EURSave up to €10,009 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 Cushion
€15,712 EUR