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Cushion|Natural|IGI

0.51ct I SI1 Cushion Natural Diamond

VG • I/SI1 • IGI 749531621

Shape and cutting style on the report: Cushion modified brilliant

Certificate IGI 749531621

Diamond specifications and retailer prices

From $444 CAD
₹30,305 INR
As of October 28, 2026
Save $946 CAD (68%) vs most expensive(unlock to see where)
7 retailers carry this diamond
Most expensive: $1,391 CAD at MOH London · As of November 1, 2026
View at MOH London

About this 0.51ct natural cushion diamond

This 0.51ct natural cushion sits in the half to three-quarter carat band, graded I colour (near-colourless) and SI1 clarity (slightly-included), with a very-good cut grade and certified by IGI 749531621. Listed at 7 retailers as of October 28, 2026, with prices from $444 to $1,391, a $946 spread on the same certified stone. MOH London lists it at $1,391. 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

0.51
Carat
I
Color
SI1
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishVery Good
SymmetryGood
FluorescenceFaint
Crown angle35.3°
Pavilion angle36.8°
OriginNatural
Grading LabIGI
CertificateIGI 749531621
Dimensions4.70 × 4.29 × 3.06 mm
L/W Ratio1.10
Girdle conditionFaceted
Culet sizeNone
Top View
4.70 mm4.29 mm0.51 ctI / SI1
OriginNatural
CutVery Good
PolishVery Good
SymmetryGood
FluorescenceFaint
CertificateIGI 749531621
Side View
Table 58.0%Crown 35.3°Girdle: STK-VTKPavilion 36.8°Culet: NoneDepth 71.3%

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: Oct 28
Current: $1,391 CAD|Low: $442 CAD|High: $1,442 CAD|Avg: $869 CAD|-2.7%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
November 1, 2026
Retailer 5$444 CAD
Retailer 2$770 CAD
Retailer 6$785 CAD
Retailer 7$843 CAD
Retailer 3$917 CAD
Retailer 4$929 CAD
MOH London$1,391 CAD

42 data points across 7 retailers

7 retailers$444 CAD to $1,391 CAD

A
Cheapest Retailer
-
$444 CAD
₹30,305 INR
B+
Retailer 2
-
$770 CAD
£434 GBP
View
B+
Retailer 3
-
$785 CAD
$562 USD
View
B
Retailer 4
-
$843 CAD
$603 USD
View
B
Retailer 5
-
$917 CAD
€625 EUR
View
B
Retailer 6
-
$929 CAD
ZAR 10,749 ZAR
View
Most Expensive
B
MOH London
C3E14B904 · Nov 1
$1,391 CAD
£784 GBP
View
6 more retailers have this diamond
Prices start from $444 CADSave up to $946 CAD

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
0.51ct Cushion
$444 CAD