CaratHunter
Plans
Cushion|Natural|GIA

2.50ct I SI2 Cushion Natural Diamond

EX • I/SI2 • GIA 1288699504

Certificate GIA 1288699504

Diamond specifications and retailer prices

From $17,787 NZD
$10,025 USD
As of November 1, 2026
Save $12,408 NZD (41%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: $30,195 NZD at MOH London · As of November 1, 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 November 1, 2026, with prices from $17,787 to $30,195, a $12,408 spread on the same certified stone. MOH London lists it at $30,195. 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
Colour
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
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 1
Current: $30,195 NZD|Low: $17,787 NZD|High: $30,558 NZD|Avg: $22,276 NZD|-1.1%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
November 2, 2026
Retailer 5$17,787 NZD
Retailer 4$17,938 NZD
Retailer 8$18,109 NZD
Retailer 6$19,335 NZD
Retailer 2$20,901 NZD
Retailer 7$22,039 NZD
Retailer 3$24,363 NZD
Retailer 9$25,433 NZD
Retailer 10$25,940 NZD
MOH London$30,195 NZD

30 data points across 10 retailers

10 retailers$17,787 NZD to $30,195 NZD

A
Cheapest Retailer
-
$17,787 NZD
$10,025 USD
A
Retailer 2
-
$17,938 NZD
$10,110 USD
View
A
Retailer 3
-
$18,109 NZD
$10,206 USD
View
Retailer 4
-
$19,335 NZD
$10,897 USD
View
Price last confirmed 17 days ago
A
Retailer 5
-
$20,901 NZD
£9,275 GBP
View
A
Retailer 6
-
$22,039 NZD
$12,421 USD
View
A
Retailer 7
-
$23,190 NZD
$13,070 USD
View
A
Retailer 8
-
$24,363 NZD
€13,077 EUR
View
Retailer 9
-
$25,433 NZD
$14,334 USD
View
Price last confirmed 18 days ago
Most Expensive
A
MOH London
A4FB21BDB · Nov 1
$30,195 NZD
£13,400 GBP
View
9 more retailers have this diamond
Prices start from $17,787 NZDSave up to $12,408 NZD

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
$17,787 NZD