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Cushion|Natural|GIA

2.51ct I SI2 Cushion Natural Diamond

EX • I/SI2 • GIA 1553315263

Certificate GIA 1553315263

Diamond specifications and retailer prices

From $16,109 SGD
$12,601 USD
As of November 1, 2026
Save $11,789 SGD (42%) vs most expensive(unlock to see where)
5 retailers carry this diamond
Most expensive: $27,898 SGD at MOH London · As of October 29, 2026
View at MOH London

About this 2.51ct natural cushion diamond

This 2.51ct 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 1553315263. Listed at 5 retailers as of October 29, 2026, with prices from $16,109 to $27,898, a $11,789 spread on the same certified stone. MOH London lists it at $27,898. 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

2.51
Carat
I
Colour
SI2
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 1553315263
Dimensions8.44 × 6.75 × 4.77 mm
L/W Ratio1.25
Culet sizeNone
Key to symbols
Crystal, Cloud, Feather, Needle
Top View
8.44 mm6.75 mm2.51 ctI / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 1553315263
Side View
Table 62.0%CrownGirdlePavilionCulet: NoneDepth 70.6%

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: $27,898 SGD|Low: $14,662 SGD|High: $27,898 SGD|Avg: $19,968 SGD|+1.5%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
October 30, 2026
Retailer 5$14,662 SGD
Retailer 2$16,109 SGD
Retailer 6$17,527 SGD
Retailer 3$17,768 SGD
Retailer 8$19,359 SGD
Retailer 4$22,354 SGD
Retailer 7$22,384 SGD
MOH London$27,898 SGD

17 data points across 8 retailers

5 retailers$16,109 SGD to $27,898 SGD

A
Cheapest Retailer
-
$16,109 SGD
$12,601 USD
A
Retailer 2
-
$17,527 SGD
$13,710 USD
View
A
Retailer 3
-
$17,768 SGD
$13,899 USD
View
B+
Retailer 4
-
$22,354 SGD
€16,653 EUR
View
Most Expensive
B
MOH London
C24107470 · Oct 29
$27,898 SGD
£17,183 GBP
View
4 more retailers have this diamond
Prices start from $16,109 SGDSave up to $11,789 SGD

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
2.51ct Cushion
$16,109 SGD