Cushion|Natural|GIA

2.51ct I SI2 Cushion Natural Diamond

EX • I/SI2 • GIA 2546732070

Certificate GIA 2546732070

Diamond specifications and retailer prices

From $17,222 USD
As of October 31, 2026
Save $12,227 USD (42%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: $29,449 USD 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 2546732070. Listed at 11 retailers as of October 29, 2026, with prices from $17,222 to $29,449, a $12,227 spread on the same certified stone. MOH London lists it at $29,449. 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
Color
SI2
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle31.6°
Pavilion angle53.5°
OriginNatural
Grading LabGIA
CertificateGIA 2546732070
Dimensions9.46 × 7.26 × 4.94 mm
L/W Ratio1.30
Top View
9.46 mm7.26 mm2.51 ctI / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 2546732070
Side View
Table 66.0%Crown 31.6°Girdle: MED-THKPavilion 53.5°Culet: NoneDepth 68.0%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 31
Current: $29,449 USD|Low: $16,650 USD|High: $29,449 USD|Avg: $19,675 USD
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
October 31, 2026
Retailer 6$17,222 USD
Retailer 10$17,242 USD
Retailer 9$18,912 USD
Retailer 4$19,153 USD
Retailer 3$19,953 USD
Retailer 7$20,580 USD
Retailer 11$20,580 USD
Retailer 8$21,260 USD
Retailer 2$21,830 USD
Retailer 5$21,943 USD
MOH London$29,449 USD

18 data points across 11 retailers

11 retailers$17,222 USD to $29,449 USD

A
Cheapest Retailer
-
$17,222 USD
A
Retailer 2
-
$17,242 USD
View
B+
Retailer 3
-
$18,912 USD
View
B+
Retailer 4
-
$19,153 USD
£15,081 GBP
View
B+
Retailer 5
-
$19,953 USD
View
B+
Retailer 6
-
$20,580 USD
View
B+
Retailer 7
-
$20,580 USD
View
B+
Retailer 8
-
$21,260 USD
View
B+
Retailer 9
-
$21,830 USD
€20,790 EUR
View
B+
Retailer 10
-
$21,943 USD
£17,278 GBP
View
Most Expensive
B
MOH London
A0BE04974 · Oct 29
$29,449 USD
£23,188 GBP
View
10 more retailers have this diamond
Prices start from $17,222 USDSave up to $12,227 USD

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
$17,222 USD