CaratHunter
Plans
Cushion|Natural|GIA

2.51ct I SI2 Cushion Natural Diamond

EX • I/SI2 • GIA 1353717609

Certificate GIA 1353717609

Diamond specifications and retailer prices

From $18,279 CAD
₹1,246,244 INR
As of October 27, 2026
Save $12,371 CAD (40%) vs most expensive(unlock to see where)
7 retailers carry this diamond
Most expensive: $30,650 CAD at MOH London · As of October 29, 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 1353717609. Listed at 7 retailers as of October 27, 2026, with prices from $18,279 to $30,650, a $12,371 spread on the same certified stone. MOH London lists it at $30,650. 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
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 1353717609
Dimensions7.98 × 7.28 × 5.00 mm
L/W Ratio1.10
Girdle conditionFaceted
Culet sizeNone
Top View
7.98 mm7.28 mm2.51 ctI / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 1353717609
Side View
Table 60.0%CrownGirdle: MED-THKPavilionCulet: NoneDepth 68.6%

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 27
Current: $30,650 CAD|Low: $18,190 CAD|High: $30,855 CAD|Avg: $23,266 CAD|+0.4%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
October 31, 2026
Retailer 4$18,279 CAD
Retailer 3$21,060 CAD
Retailer 5$21,519 CAD
Retailer 2$24,596 CAD
MOH London$30,650 CAD

46 data points across 5 retailers

7 retailers$18,279 CAD to $30,650 CAD

A
Cheapest Retailer
-
$18,279 CAD
₹1,246,244 INR
A
Retailer 2
-
$18,460 CAD
$13,215 USD
View
A
Retailer 3
-
$18,593 CAD
A$20,477 AUD
View
A
Retailer 4
-
$21,060 CAD
£11,871 GBP
View
A
Retailer 5
-
$21,519 CAD
$15,405 USD
View
B+
Retailer 6
-
$24,596 CAD
€16,769 EUR
View
Most Expensive
B+
MOH London
2558BCE32 · Oct 29
$30,650 CAD
£17,277 GBP
View
6 more retailers have this diamond
Prices start from $18,279 CADSave up to $12,371 CAD

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
$18,279 CAD