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Cushion|Natural|GIA

2.50ct F SI2 Cushion Natural Diamond

EX • F/SI2 • GIA 6552840204

Certificate GIA 6552840204

Diamond specifications and retailer prices

From $17,113 USD
A$26,328 AUD
As of November 2, 2026
Save $5,910 USD (26%) vs most expensive(unlock to see where)
6 retailers carry this diamond
Most expensive: $23,023 USD at 77 Diamonds · As of November 2, 2026
View at 77 Diamonds

About this 2.5ct natural cushion diamond

This 2.5ct natural cushion sits in the two to three carat band, graded F colour (colourless) and SI2 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 6552840204. Listed at 6 retailers as of November 2, 2026, with prices from $17,113 to $23,023, a $5,910 spread on the same certified stone. 77 Diamonds lists it at $23,023. 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
F
Color
SI2
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceStrong
OriginNatural
Grading LabGIA
CertificateGIA 6552840204
Dimensions9.12 × 7.01 × 4.89 mm
L/W Ratio1.30
Girdle conditionFaceted
Culet sizeNone
Key to symbols
Crystal, Cloud, Feather, Needle, Indented Natural
Top View
9.12 mm7.01 mm2.50 ctF / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceStrong
CertificateGIA 6552840204
Side View
Table 63.0%CrownGirdle: MED-VTKPavilionCulet: NoneDepth 69.7%

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 2
Current: $23,023 USD|Low: $13,312 USD|High: $23,249 USD|Avg: $18,525 USD|+41.2%
77 Diamonds
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
November 2, 2026
Retailer 5$13,312 USD
Retailer 4$17,113 USD
Retailer 7$17,947 USD
Retailer 3$19,163 USD
Retailer 2$19,419 USD
Retailer 6$20,535 USD
77 Diamonds$23,023 USD

32 data points across 7 retailers

6 retailers$17,113 USD to $23,023 USD

Retailer 1
-
$13,312 USD
HK$104,000 HKD
Price last confirmed 53 days ago
A
Retailer 2
-
$17,113 USD
A$26,328 AUD
View
Retailer 3
-
$19,163 USD
₹1,825,019 INR
View
Price last confirmed 8 days ago
B+
Retailer 4
-
$19,419 USD
CA$26,971 CAD
View
B+
Retailer 5
-
$19,571 USD
A$30,109 AUD
View
Most Expensive
B+
77 Diamonds
CUSMBMGRGYAAA · Nov 2
$23,023 USD
£18,129 GBP
View
5 more retailers have this diamond
Prices start from $17,113 USDSave up to $5,910 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
$17,113 USD