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Cushion|Natural|GIA

2.50ct I SI2 Cushion Natural Diamond

EX • I/SI2 • GIA 1288699504

Certificate GIA 1288699504

Diamond specifications and retailer prices

From $10,025 USD
As of October 28, 2026
Save $7,084 USD (41%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: $17,109 USD at MOH London · As of October 29, 2026
View at MOH London

About this 2.5ct natural cushion diamond

This 2.5ct 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 1288699504. Listed at 10 retailers as of October 28, 2026, with prices from $10,025 to $17,109, a $7,084 spread on the same certified stone. MOH London lists it at $17,109. 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

2.50
Carat
I
Color
SI2
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 1288699504
Dimensions7.64 × 7.39 × 4.99 mm
L/W Ratio1.03
Top View
7.64 mm7.39 mm2.50 ctI / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 1288699504
Side View
Table 62.0%CrownGirdle: ThickPavilionCulet: NoneDepth 67.5%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 28
Current: $17,109 USD|Low: $10,025 USD|High: $17,222 USD|Avg: $12,559 USD|-0.5%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
October 30, 2026
Retailer 5$10,025 USD
Retailer 4$10,110 USD
Retailer 8$10,206 USD
Retailer 6$10,897 USD
Retailer 2$11,779 USD
Retailer 7$12,421 USD
Retailer 3$13,708 USD
Retailer 9$14,334 USD
Retailer 10$14,620 USD
MOH London$17,109 USD

27 data points across 10 retailers

10 retailers$10,025 USD to $17,109 USD

A
Cheapest Retailer
-
$10,025 USD
A
Retailer 2
-
$10,110 USD
View
A
Retailer 3
-
$10,206 USD
View
Retailer 4
-
$10,897 USD
View
Price last confirmed 15 days ago
A
Retailer 5
-
$11,779 USD
£9,275 GBP
View
A
Retailer 6
-
$12,421 USD
View
A
Retailer 7
-
$13,070 USD
View
A
Retailer 8
-
$13,708 USD
€13,055 EUR
View
Retailer 9
-
$14,334 USD
View
Price last confirmed 16 days ago
Most Expensive
A
MOH London
A4FB21BDB · Oct 29
$17,109 USD
£13,472 GBP
View
9 more retailers have this diamond
Prices start from $10,025 USDSave up to $7,084 USD

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
2.50ct Cushion
$10,025 USD