CaratHunter
Plans
Cushion|Natural|GIA

2.50ct I SI2 Cushion Natural Diamond

GD • I/SI2 • GIA 6552015798

Certificate GIA 6552015798

Diamond specifications and retailer prices

From $23,536 AUD
$16,533 USD
As of October 31, 2026
Save $6,814 AUD (22%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: $30,351 AUD 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 I colour (near-colourless) and SI2 clarity (slightly-included), with a standard cut grade stated by the retailer rather than the lab and certified by GIA 6552015798. Listed at 10 retailers as of October 31, 2026, with prices from $23,536 to $30,351, a $6,814 spread on the same certified stone. 77 Diamonds lists it at $30,351. Cut grade matters more than carat or clarity for visible brilliance. If you can shift budget toward an Excellent or Ideal cut, do it before chasing higher colour or clarity.

The 4Cs

2.50
Carat
I
Colour
SI2
Clarity
Good
Cut (retailer stated)

Specifications

Cut (retailer stated)Good
PolishExcellent
SymmetryVery Good
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 6552015798
Dimensions9.17 × 7.01 × 4.88 mm
L/W Ratio1.31
Top View
9.17 mm7.01 mm2.50 ctI / SI2
OriginNatural
CutGood
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateGIA 6552015798
Side View
Table 67.0%CrownGirdle: THK-VTKPavilionCulet: NoneDepth 69.6%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 31
Current: $30,351 AUD|Low: $23,536 AUD|High: $34,086 AUD|Avg: $28,802 AUD|-5.5%
77 Diamonds
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
November 2, 2026
Retailer 6$23,536 AUD
Retailer 2$23,810 AUD
Retailer 7$24,806 AUD
Retailer 8$25,215 AUD
Retailer 3$27,013 AUD
Retailer 10$28,165 AUD
Retailer 4$29,056 AUD
Retailer 9$29,056 AUD
Retailer 5$30,024 AUD
77 Diamonds$30,351 AUD
Retailer 11$34,086 AUD

34 data points across 11 retailers

10 retailers$23,536 AUD to $30,351 AUD

B+
Cheapest Retailer
-
$23,536 AUD
$16,533 USD
B+
Retailer 2
-
$23,810 AUD
$16,725 USD
View
B+
Retailer 3
-
$24,806 AUD
$17,425 USD
View
B+
Retailer 4
-
$25,164 AUD
View
B+
Retailer 5
-
$25,215 AUD
$17,712 USD
View
B+
Retailer 6
-
$28,165 AUD
$19,784 USD
View
B
Retailer 7
-
$29,056 AUD
$20,410 USD
View
B
Retailer 8
-
$29,056 AUD
$20,410 USD
View
B
Retailer 9
-
$30,024 AUD
$21,090 USD
View
Most Expensive
B
77 Diamonds
CUSZTWE4N2DA · Nov 2
$30,351 AUD
£16,787 GBP
View
9 more retailers have this diamond
Prices start from $23,536 AUDSave up to $6,814 AUD

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.

B+
2.50ct Cushion
$23,536 AUD