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Cushion|Natural|IGI

1.51ct E I1 Cushion Natural Diamond

VG • E/I1 • IGI 808619718

Shape and cutting style on the report: Cushion modified brilliant

Certificate IGI 808619718

Diamond specifications and retailer prices

From $3,528 AUD
$2,478 USD
As of October 30, 2026
Save $1,078 AUD (23%) vs most expensive(unlock to see where)
4 retailers carry this diamond
Most expensive: $4,605 AUD at Yorxs · As of October 29, 2026
View at Yorxs

About this 1.51ct natural cushion diamond

This 1.51ct natural cushion sits in the one-and-a-half to two carat band, graded E colour (colourless) and I1 clarity (included), with a very-good cut grade and certified by IGI 808619718. Listed at 4 retailers as of October 29, 2026, with prices from $3,528 to $4,605, a $1,078 spread on the same certified stone. Yorxs lists it at $4,605. 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

1.51
Carat
E
Colour
I1
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishVery Good
SymmetryVery Good
FluorescenceStrong
Crown angle38.4°
Pavilion angle35.6°
OriginNatural
Grading LabIGI
CertificateIGI 808619718
Dimensions7.63 × 5.93 × 3.92 mm
L/W Ratio1.29
Girdle conditionFaceted
Top View
7.63 mm5.93 mm1.51 ctE / I1
OriginNatural
CutVery Good
PolishVery Good
SymmetryVery Good
FluorescenceStrong
CertificateIGI 808619718
Side View
Table 71.0%Crown 38.4°Girdle: STK-THKPavilion 35.6°CuletDepth 66.1%

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: Oct 30
Current: $3,939 AUD|Low: $3,136 AUD|High: $4,605 AUD|Avg: $3,947 AUD|+13.4%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Yorxs
October 29, 2026
Retailer 3$3,528 AUD
Retailer 2$3,762 AUD
Retailer 1$3,939 AUD
Retailer 4$4,131 AUD
Yorxs$4,605 AUD

13 data points across 5 retailers

4 retailers$3,528 AUD to $4,605 AUD

B+
Cheapest Retailer
-
$3,528 AUD
$2,478 USD
B+
Retailer 2
-
$3,762 AUD
$2,643 USD
View
B+
Retailer 3
-
$3,939 AUD
$2,767 USD
View
Most Expensive
B+
Yorxs
20125E2F6 · Oct 29
$4,605 AUD
€3,081 EUR
View
3 more retailers have this diamond
Prices start from $3,528 AUDSave up to $1,078 AUD

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+
1.51ct Cushion
$3,528 AUD