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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 HK$78,653 HKD
$10,025 USD
As of November 1, 2026
Save HK$54,865 HKD (41%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: HK$133,518 HKD 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 HK$78,653 to HK$133,518, a HK$54,865 spread on the same certified stone. MOH London lists it at HK$133,518. 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: HK$133,518 HKD|Low: HK$78,653 HKD|High: HK$135,122 HKD|Avg: HK$98,513 HKD|-1.1%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
November 1, 2026
Retailer 5HK$78,653 HKD
Retailer 4HK$79,320 HKD
Retailer 8HK$80,073 HKD
Retailer 6HK$85,495 HKD
Retailer 2HK$92,420 HKD
Retailer 7HK$97,451 HKD
Retailer 3HK$107,728 HKD
Retailer 9HK$112,460 HKD
Retailer 10HK$114,704 HKD
MOH LondonHK$133,518 HKD

29 data points across 10 retailers

10 retailersHK$78,653 HKD to HK$133,518 HKD

A
Cheapest Retailer
-
HK$78,653 HKD
$10,025 USD
A
Retailer 2
-
HK$79,320 HKD
$10,110 USD
View
A
Retailer 3
-
HK$80,073 HKD
$10,206 USD
View
Retailer 4
-
HK$85,495 HKD
$10,897 USD
View
Price last confirmed 16 days ago
A
Retailer 5
-
HK$92,420 HKD
£9,275 GBP
View
A
Retailer 6
-
HK$97,451 HKD
$12,421 USD
View
A
Retailer 7
-
HK$102,543 HKD
$13,070 USD
View
A
Retailer 8
-
HK$107,728 HKD
€13,077 EUR
View
Retailer 9
-
HK$112,460 HKD
$14,334 USD
View
Price last confirmed 17 days ago
Most Expensive
A
MOH London
A4FB21BDB · Nov 1
HK$133,518 HKD
£13,400 GBP
View
9 more retailers have this diamond
Prices start from HK$78,653 HKDSave up to HK$54,865 HKD

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
HK$78,653 HKD