Cushion|Natural|GIA

2.51ct H SI1 Cushion Natural Diamond

EX • H/SI1 • GIA 6542023006

Certificate GIA 6542023006

Diamond specifications and retailer prices

From $17,253 USD
As of October 31, 2026
Save $6,538 USD (27%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: $23,791 USD at Wholesale Diamonds Direct · As of October 27, 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 October 27, 2026, with prices from $17,253 to $23,791, a $6,538 spread on the same certified stone. Wholesale Diamonds Direct lists it at $23,791. 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
Color
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
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 31
Current: $22,050 USD|Low: $17,253 USD|High: $23,118 USD|Avg: $21,015 USD|+1.4%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
November 2, 2026
Retailer 7$17,253 USD
Retailer 5$19,795 USD
Retailer 4$20,392 USD
Retailer 6$20,914 USD
Retailer 1$22,050 USD
Retailer 2$22,776 USD
Retailer 3$23,052 USD

43 data points across 7 retailers

16 retailers$17,253 USD to $23,791 USD

A
Cheapest Retailer
-
$17,253 USD
A
Retailer 2
-
$18,198 USD
View
A
Retailer 3
-
$18,321 USD
View
B+
Retailer 4
-
$19,330 USD
View
B+
Retailer 5
-
$19,795 USD
View
B+
Retailer 6
-
$19,960 USD
View
Retailer 7
-
$20,392 USD
A$31,372 AUD
View
Price last confirmed 7 days ago
B+
Retailer 8
-
$20,914 USD
View
B+
Retailer 9
-
$20,932 USD
View
B+
Retailer 10
-
$21,580 USD
View
B+
Retailer 11
-
$21,580 USD
View
B+
Retailer 12
-
$22,050 USD
£17,362 GBP
View
B+
Retailer 13
-
$22,300 USD
View
B+
Retailer 14
-
$22,776 USD
£17,934 GBP
View
B
Retailer 15
-
$23,052 USD
€21,954 EUR
View
Most Expensive
B
Wholesale Diamonds Direct
241967421 · Oct 27
$23,791 USD
View
15 more retailers have this diamond
Prices start from $17,253 USDSave up to $6,538 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
$17,253 USD