CaratHunter
Plans
Cushion|Natural|GIA

2.51ct I SI2 Cushion Natural Diamond

ID • I/SI2 • GIA 6565458704

Certificate GIA 6565458704

Diamond specifications and retailer prices

From €15,409 EUR
$17,215 USD
As of October 28, 2026
Save €11,458 EUR (43%) vs most expensive(unlock to see where)
9 retailers carry this diamond
Most expensive: €26,867 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 I colour (near-colourless) and SI2 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 6565458704. Listed at 9 retailers as of October 28, 2026, with prices from €15,409 to €26,867, a €11,458 spread on the same certified stone. MOH London lists it at €26,867. 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
I
Color
SI2
Clarity
Ideal
Cut (retailer stated)

Specifications

Cut (retailer stated)Ideal
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 6565458704
Dimensions9.09 × 7.02 × 4.90 mm
L/W Ratio1.29
Top View
9.09 mm7.02 mm2.51 ctI / SI2
OriginNatural
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 6565458704
Side View
Table 62.0%CrownGirdle: STK-THKPavilionCulet: NoneDepth 69.9%

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 28
Current: €26,867 EUR|Low: €14,724 EUR|High: €27,012 EUR|Avg: €18,465 EUR|-0.5%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
November 1, 2026
Retailer 9€14,724 EUR
Retailer 4€15,409 EUR
Retailer 5€15,789 EUR
Retailer 7€16,156 EUR
Retailer 2€17,718 EUR
Retailer 6€19,363 EUR
Retailer 8€20,035 EUR
Retailer 3€20,874 EUR
MOH London€26,867 EUR

18 data points across 9 retailers

9 retailers€15,409 EUR to €26,867 EUR

Retailer 1
-
€14,724 EUR
$16,450 USD
Price last confirmed 18 days ago
A
Retailer 2
-
€15,409 EUR
$17,215 USD
View
A
Retailer 3
-
€15,789 EUR
$17,640 USD
View
B+
Retailer 4
-
€16,156 EUR
CA$25,068 CAD
View
B+
Retailer 5
-
€17,718 EUR
£15,586 GBP
View
B+
Retailer 6
-
€19,363 EUR
$21,633 USD
View
B
Retailer 7
-
€20,035 EUR
$22,383 USD
View
B
Retailer 8
-
€20,874 EUR
View
Most Expensive
B
MOH London
A53E81CB6 · Nov 1
€26,867 EUR
£23,635 GBP
View
8 more retailers have this diamond
Prices start from €15,409 EURSave up to €11,458 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
€15,409 EUR