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Cushion|Lab Grown|IGI

1.01ct E SI1 Cushion Lab Grown Diamond

EX • E/SI1 • IGI LG524208994

Shape and cutting style on the report: Cushion brilliant

Certificate IGI LG524208994

Diamond specifications and retailer prices

From $327 AUD
$230 USD
As of October 28, 2026
Save $2,477 AUD (88%) vs most expensive(unlock to see where)
8 retailers carry this diamond
Most expensive: $2,804 AUD at Do Amore Diamonds · As of October 29, 2026
View at Do Amore Diamonds

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 SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG524208994 or 524208994. Listed at 8 retailers as of October 28, 2026, with prices from $327 to $2,804, a $2,477 spread on the same certified stone. Do Amore Diamonds lists it at $2,804. 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
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle37.3°
Pavilion angle30.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG524208994
Dimensions6.00 × 5.52 × 3.56 mm
L/W Ratio1.09
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
6.00 mm5.52 mm1.01 ctE / SI1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG524208994
Side View
Table 58.0%Crown 37.3°Girdle: STK-VTKPavilion 30.9°Culet: NoneDepth 64.5%

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 28
Current: $743 AUD|Low: $233 AUD|High: $1,620 AUD|Avg: $693 AUD|+4.3%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
October 29, 2026
Retailer 5$327 AUD
Retailer 7$340 AUD
Retailer 3$362 AUD
Retailer 4$625 AUD
Retailer 1$743 AUD
Retailer 6$804 AUD
Retailer 2$1,609 AUD

39 data points across 7 retailers

8 retailers$327 AUD to $2,804 AUD

A
Cheapest Retailer
-
$327 AUD
$230 USD
Final sale: no returns
A
Retailer 2
-
$340 AUD
$239 USD
View
A
Retailer 3
-
$362 AUD
$254 USD
View
B+
Retailer 4
-
$625 AUD
$439 USD
View
B+
Retailer 5
-
$743 AUD
£411 GBP
View
B+
Retailer 6
-
$804 AUD
$565 USD
View
Retailer 7
-
$1,609 AUD
£890 GBP
View
Price last confirmed 10 days ago
Most Expensive
B
Do Amore Diamonds
27-7B77C9140 · Oct 29
$2,804 AUD
$1,970 USD
View
7 more retailers have this diamond
Prices start from $327 AUDSave up to $2,477 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.

A
1.01ct Cushion
$327 AUD