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Cushion|Natural|IGI

2.51ct M SI1 Cushion Natural Diamond

VG • M/SI1 • IGI 350864449

Shape and cutting style on the report: Cushion modified brilliant

Certificate IGI 350864449

Diamond specifications and retailer prices

From $4,145 USD
As of November 4, 2026
Save $1,517 USD (27%) vs most expensive(unlock to see where)
4 retailers carry this diamond
Most expensive: $5,662 USD at Yorxs · As of November 2, 2026
View at Yorxs

About this 2.51ct natural cushion diamond

This 2.51ct natural cushion sits in the two to three carat band, graded M colour (faint-tinted) and SI1 clarity (slightly-included), with a very-good cut grade and certified by IGI 350864449. Listed at 4 retailers as of November 2, 2026, with prices from $4,145 to $5,662, a $1,517 spread on the same certified stone. Yorxs lists it at $5,662. Cut grade matters more than carat or clarity for visible brilliance. If you can shift budget toward an Excellent or Ideal cut, do it before chasing higher colour or clarity.

The 4Cs

2.51
Carat
M
Color
SI1
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishVery Good
SymmetryGood
FluorescenceStrong
Crown angle30.9°
Pavilion angle34.6°
OriginNatural
Grading LabIGI
CertificateIGI 350864449
Dimensions8.35 × 7.13 × 4.76 mm
L/W Ratio1.17
Girdle conditionFaceted
Culet sizePointed
Top View
8.35 mm7.13 mm2.51 ctM / SI1
OriginNatural
CutVery Good
PolishVery Good
SymmetryGood
FluorescenceStrong
CertificateIGI 350864449
Side View
Table 69.0%Crown 30.9°Girdle: MED-STKPavilion 34.6°Culet: NoneDepth 66.8%

Caratlytics Score

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

Price History

Last verified: Nov 4
Current: $4,145 USD|Low: $4,145 USD|High: $5,662 USD|Avg: $4,668 USD|-0.3%
Retailer 1
Retailer 2
Retailer 3
Yorxs
November 6, 2026
Retailer 1$4,145 USD
Retailer 2$4,385 USD
Retailer 3$4,530 USD
Yorxs$5,642 USD

23 data points across 4 retailers

4 retailers$4,145 USD to $5,662 USD

B+
Cheapest Retailer
-
$4,145 USD
B+
Retailer 2
-
$4,385 USD
View
B
Retailer 3
-
$5,641 USD
View
Most Expensive
B+
Yorxs
9-24 · Nov 2
$5,662 USD
€5,392 EUR
View
3 more retailers have this diamond
Prices start from $4,145 USDSave up to $1,517 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.

B+
2.51ct Cushion
$4,145 USD