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Cushion|Natural|GIA

2.51ct H SI1 Cushion Natural Diamond

EX • H/SI1 • GIA 6542023006

Certificate GIA 6542023006

Diamond specifications and retailer prices

From €15,453 EUR
As of November 6, 2026
Save €5,856 EUR (27%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: €21,309 EUR at Wholesale Diamonds Direct · As of November 6, 2026
View at Wholesale Diamonds Direct

About this 2.51ct natural cushion diamond

This 2.51ct natural cushion sits in the two to three carat band, graded H 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 6542023006. Listed at 16 retailers as of November 6, 2026, with prices from €15,453 to €21,309, a €5,856 spread on the same certified stone. Wholesale Diamonds Direct lists it at €21,309. 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
H
Colour
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.4°
Pavilion angle36.5°
OriginNatural
Grading LabGIA
CertificateGIA 6542023006
Dimensions7.67 × 7.64 × 5.22 mm
L/W Ratio1.00
Top View
7.67 mm7.64 mm2.51 ctH / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 6542023006
Side View
Table 64.0%Crown 33.4°Girdle: ThickPavilion 36.5°Culet: NoneDepth 68.4%

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 6
Current: €20,288 EUR|Low: €15,453 EUR|High: €20,705 EUR|Avg: €18,803 EUR|-1.5%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
November 6, 2026
Retailer 7€15,453 EUR
Retailer 5€17,730 EUR
Retailer 4€18,263 EUR
Retailer 6€18,732 EUR
Retailer 3€19,555 EUR
Retailer 1€20,288 EUR
Retailer 2€20,660 EUR

45 data points across 7 retailers

16 retailers€15,453 EUR to €21,309 EUR

A
Cheapest Retailer
-
€15,453 EUR
A
Retailer 2
-
€16,299 EUR
View
A
Retailer 3
-
€16,408 EUR
View
B+
Retailer 4
-
€17,313 EUR
View
Retailer 5
-
€17,730 EUR
View
Price last confirmed 9 days ago
B+
Retailer 6
-
€17,877 EUR
View
Retailer 7
-
€18,263 EUR
View
Price last confirmed 13 days ago
B+
Retailer 8
-
€18,732 EUR
View
B+
Retailer 9
-
€18,748 EUR
View
B+
Retailer 10
-
€19,328 EUR
View
B+
Retailer 11
-
€19,328 EUR
View
B+
Retailer 12
-
€19,555 EUR
View
B+
Retailer 13
-
€19,973 EUR
View
B+
Retailer 14
-
€20,288 EUR
View
B
Retailer 15
-
€20,660 EUR
View
Most Expensive
B
Wholesale Diamonds Direct
241967421 · Nov 6
€21,309 EUR
$23,791 USD
View
15 more retailers have this diamond
Prices start from €15,453 EURSave up to €5,856 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.

A
2.51ct Cushion
€15,453 EUR