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Cushion|Natural|GIA

2.51ct G SI1 Cushion Natural Diamond

EX • G/SI1 • GIA 2427704910

Certificate GIA 2427704910

Diamond specifications and retailer prices

From $21,600 USD
As of November 1, 2026
Save $4,010 USD (16%) vs most expensive(unlock to see where)
6 retailers carry this diamond
Most expensive: $25,610 USD at Jared · As of November 2, 2026
View at Jared

About this 2.51ct natural cushion diamond

This 2.51ct natural cushion sits in the two to three carat band, graded G 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 2427704910. Listed at 6 retailers as of November 1, 2026, with prices from $21,600 to $25,610, a $4,010 spread on the same certified stone. Jared lists it at $25,610. 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
G
Color
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 2427704910
Dimensions8.00 × 7.17 × 4.99 mm
L/W Ratio1.12
Top View
8.00 mm7.17 mm2.51 ctG / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 2427704910
Side View
Table 63.0%CrownGirdle: THK-VTKPavilionCulet: NoneDepth 69.6%

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: $25,610 USD|Low: $19,999 USD|High: $25,610 USD|Avg: $23,442 USD
Jared
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
November 2, 2026
Retailer 7$19,999 USD
Retailer 6$21,600 USD
Retailer 3$22,506 USD
Retailer 4$24,780 USD
Retailer 5$24,780 USD
Retailer 2$25,326 USD
Jared$25,610 USD

34 data points across 7 retailers

6 retailers$21,600 USD to $25,610 USD

A
Cheapest Retailer
-
$21,600 USD
B+
Retailer 2
-
$22,506 USD
View
Final sale: no returns
B+
Retailer 3
-
$24,780 USD
View
B+
Retailer 4
-
$24,780 USD
View
B+
Retailer 5
-
$25,326 USD
£19,941 GBP
View
Most Expensive
B+
Jared
147089014 · Nov 2
$25,610 USD
View
5 more retailers have this diamond
Prices start from $21,600 USDSave up to $4,010 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
$21,600 USD