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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 €15,604 EUR
CA$24,213 CAD
As of October 30, 2026
Save €10,100 EUR (39%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: €25,705 EUR at MOH London · As of November 1, 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 11 retailers as of October 30, 2026, with prices from €15,604 to €25,705, a €10,100 spread on the same certified stone. MOH London lists it at €25,705. 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
Color
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: Oct 30
Current: €25,705 EUR|Low: €15,604 EUR|High: €30,306 EUR|Avg: €21,839 EUR|-14.3%
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 2, 2026
Retailer 13€15,604 EUR
Retailer 11€15,702 EUR
Retailer 2€17,303 EUR
Retailer 7€18,016 EUR
Retailer 9€18,260 EUR
Retailer 10€18,260 EUR
Retailer 12€18,868 EUR
Retailer 8€19,351 EUR
Retailer 3€20,085 EUR
Retailer 5€20,279 EUR
Retailer 14€22,574 EUR
Retailer 4€23,292 EUR
Retailer 6€25,220 EUR
MOH London€25,705 EUR

26 data points across 14 retailers

11 retailers€15,604 EUR to €25,705 EUR

A
Cheapest Retailer
-
€15,604 EUR
CA$24,213 CAD
A
Retailer 2
-
€15,702 EUR
$17,542 USD
View
B+
Retailer 3
-
€17,303 EUR
£15,221 GBP
View
B+
Retailer 4
-
€18,016 EUR
$20,128 USD
View
B+
Retailer 5
-
€18,260 EUR
$20,400 USD
View
B+
Retailer 6
-
€18,260 EUR
$20,400 USD
View
B+
Retailer 7
-
€18,868 EUR
$21,080 USD
View
B+
Retailer 8
-
€19,351 EUR
$21,619 USD
View
Retailer 9
-
€20,085 EUR
$22,439 USD
View
Price last confirmed 18 days ago
Retailer 10
-
€23,292 EUR
$26,022 USD
View
Price last confirmed 20 days ago
Most Expensive
B
MOH London
F29B78666 · Nov 1
€25,705 EUR
£22,612 GBP
View
10 more retailers have this diamond
Prices start from €15,604 EURSave up to €10,100 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
€15,604 EUR