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Cushion|Lab Grown|IGI

1.01ct E SI2 Cushion Lab Grown Diamond

ID • E/SI2 • IGI LG665409447

Shape and cutting style on the report: Square cushion brilliant

Certificate IGI LG665409447

Diamond specifications and retailer prices

From $911 AUD
As of November 6, 2026
Save $849 AUD (48%) vs most expensive(unlock to see where)
9 retailers carry this diamond
Most expensive: $1,760 AUD at Yorxs · As of November 6, 2026
View at Yorxs

About this 1.01ct lab-grown cushion diamond

This 1.01ct lab-grown cushion sits in the classic one-carat band, graded E colour (colourless) and SI2 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG665409447 or 665409447. Listed at 9 retailers as of November 6, 2026, with prices from $911 to $1,760, a $849 spread on the same certified stone. Yorxs lists it at $1,760. 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

1.01
Carat
E
Colour
SI2
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.7°
Pavilion angle41.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG665409447
Dimensions6.19 × 5.97 × 3.90 mm
L/W Ratio1.04
Girdle conditionFaceted
Culet sizePointed
Cert comments
As Grown - No indication of post-growth treatment This Laboratory Grown Diamond was created by High Pressure High Temperature (HPHT) growth process Type II
Top View
6.19 mm5.97 mm1.01 ctE / SI2
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG665409447
Side View
Table 59.0%Crown 35.7°Girdle: MED-THKPavilion 41.3°Culet: NoneDepth 65.3%

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: Nov 6
Current: $1,559 AUD|Low: $684 AUD|High: $4,404 AUD|Avg: $1,650 AUD|+1.2%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Yorxs
November 6, 2026
Retailer 5$713 AUD
Retailer 2$911 AUD
Retailer 7$1,009 AUD
Retailer 6$1,292 AUD
Retailer 4$1,455 AUD
Retailer 8$1,554 AUD
Retailer 1$1,559 AUD
Yorxs$1,760 AUD
Retailer 3$4,379 AUD

44 data points across 9 retailers

9 retailers$911 AUD to $1,760 AUD

Retailer 1
-
$713 AUD
Price last confirmed 10 days ago
B+
Retailer 2
-
$911 AUD
View
Final sale: no returns
Retailer 3
-
$1,009 AUD
View
Price last confirmed 22 days ago
B
Retailer 4
-
$1,292 AUD
View
B
Retailer 5
-
$1,455 AUD
View
B
Retailer 6
-
$1,554 AUD
View
B
Retailer 7
-
$1,559 AUD
View
Most Expensive
B
Yorxs
611344275 · Nov 6
$1,760 AUD
€1,152 EUR
View
7 more retailers have this diamond
Prices start from $911 AUDSave up to $849 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+
1.01ct Cushion
$911 AUD