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Cushion|Natural|GIA

2.50ct I SI1 Cushion Natural Diamond

EX • I/SI1 • GIA 1242047745

Certificate GIA 1242047745

Diamond specifications and retailer prices

From $16,352 NZD
HK$72,000 HKD
As of November 1, 2026
Save $12,768 NZD (44%) vs most expensive(unlock to see where)
6 retailers carry this diamond
Most expensive: $29,120 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 SI1 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 1242047745. Listed at 6 retailers as of November 1, 2026, with prices from $16,352 to $29,120, a $12,768 spread on the same certified stone. MOH London lists it at $29,120. 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
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
Pavilion angle36.65°
OriginNatural
Grading LabGIA
CertificateGIA 1242047745
Dimensions7.84 × 7.47 × 5.13 mm
L/W Ratio1.05
Key to symbols
Crystal, Cloud, Needle
Top View
7.84 mm7.47 mm2.50 ctI / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateGIA 1242047745
Side View
Table 63.0%CrownGirdle: STK-VTKPavilion 36.65°Culet: NoneDepth 68.7%

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 1
Current: $29,120 NZD|Low: $16,352 NZD|High: $32,831 NZD|Avg: $22,210 NZD|-11.3%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
November 2, 2026
Retailer 3$16,352 NZD
Retailer 4$17,958 NZD
Retailer 5$19,398 NZD
Retailer 6$19,457 NZD
Retailer 2$23,912 NZD
MOH London$29,120 NZD

39 data points across 6 retailers

6 retailers$16,352 NZD to $29,120 NZD

A
Cheapest Retailer
-
$16,352 NZD
HK$72,000 HKD
A
Retailer 2
-
$17,958 NZD
€9,639 EUR
View
A
Retailer 3
-
$19,398 NZD
$10,933 USD
View
Retailer 4
-
$19,457 NZD
SGD 14,819 SGD
View
Price last confirmed 21 days ago
A
Retailer 5
-
$23,912 NZD
€12,835 EUR
View
Most Expensive
A
MOH London
6AF3D21D8 · Nov 1
$29,120 NZD
£12,923 GBP
View
5 more retailers have this diamond
Prices start from $16,352 NZDSave up to $12,768 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
$16,352 NZD