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Cushion|Natural|GIA

2.51ct G SI1 Cushion Natural Diamond

ID • G/SI1 • GIA 5556125602

Certificate GIA 5556125602

Diamond specifications and retailer prices

From €21,006 EUR
$23,560 USD
As of November 2, 2026
Save €4,859 EUR (19%) vs most expensive(unlock to see where)
9 retailers carry this diamond
Most expensive: €25,865 EUR 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 5556125602. Listed at 9 retailers as of November 2, 2026, with prices from €21,006 to €25,865, a €4,859 spread on the same certified stone. Jared lists it at €25,865. 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
Ideal
Cut (retailer stated)

Specifications

Cut (retailer stated)Ideal
PolishExcellent
SymmetryExcellent
FluorescenceFaint
OriginNatural
Grading LabGIA
CertificateGIA 5556125602
Dimensions9.43 × 7.01 × 4.76 mm
L/W Ratio1.35
Top View
9.43 mm7.01 mm2.51 ctG / SI1
OriginNatural
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateGIA 5556125602
Side View
Table 66.0%CrownGirdle: THK-VTKPavilionCulet: NoneDepth 67.8%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 2
Current: €25,865 EUR|Low: €21,006 EUR|High: €28,544 EUR|Avg: €23,637 EUR
Jared
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
October 28, 2026
Retailer 5€21,006 EUR
Retailer 2€21,050 EUR
Retailer 3€21,167 EUR
Retailer 6€22,243 EUR
Retailer 7€22,620 EUR
Retailer 9€24,262 EUR
Retailer 4€25,036 EUR
Retailer 8€25,036 EUR
Jared€25,865 EUR
Retailer 10€28,544 EUR

11 data points across 10 retailers

9 retailers€21,006 EUR to €25,865 EUR

B+
Cheapest Retailer
-
€21,006 EUR
$23,560 USD
B+
Retailer 2
-
€21,050 EUR
$23,610 USD
View
B+
Retailer 3
-
€21,167 EUR
$23,741 USD
View
B+
Retailer 4
-
€22,243 EUR
$24,948 USD
View
B+
Retailer 5
-
€22,620 EUR
$25,370 USD
View
B+
Retailer 6
-
€24,262 EUR
$27,212 USD
View
B
Retailer 7
-
€25,036 EUR
$28,080 USD
View
B
Retailer 8
-
€25,036 EUR
$28,080 USD
View
Most Expensive
B
Jared
158872278 · Nov 2
€25,865 EUR
$29,010 USD
View
8 more retailers have this diamond
Prices start from €21,006 EURSave up to €4,859 EUR

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.

B+
2.51ct Cushion
€21,006 EUR