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Cushion|Lab Grown|IGI

1.82ct E SI1 Cushion Lab Grown Diamond

ID • E/SI1 • IGI LG480175281

Shape and cutting style on the report: Cushion modified brilliant

Certificate IGI LG480175281

Diamond specifications and retailer prices

From $339 AUD
$238 USD
As of October 28, 2026
Save $2,565 AUD (88%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: $2,904 AUD at Do Amore Diamonds · As of October 29, 2026
View at Do Amore Diamonds

About this 1.82ct lab-grown cushion diamond

This 1.82ct lab-grown cushion sits in the one-and-a-half to two carat band, graded E colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG480175281 or 480175281. Listed at 13 retailers as of October 28, 2026, with prices from $339 to $2,904, a $2,565 spread on the same certified stone. Do Amore Diamonds lists it at $2,904. 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

1.82
Carat
E
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.6°
Pavilion angle39.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG480175281
Dimensions7.60 × 6.86 × 4.63 mm
L/W Ratio1.11
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
7.60 mm6.86 mm1.82 ctE / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG480175281
Side View
Table 58.0%Crown 33.6°Girdle: MediumPavilion 39.4°Culet: NoneDepth 67.5%

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: $783 AUD|Low: $339 AUD|High: $3,402 AUD|Avg: $1,128 AUD|+4.6%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
October 30, 2026
Retailer 9$339 AUD
Retailer 4$376 AUD
Retailer 2$501 AUD
Retailer 3$668 AUD
Retailer 1$783 AUD
Retailer 10$863 AUD
Retailer 8$1,490 AUD
Retailer 6$1,573 AUD
Retailer 5$1,669 AUD
Retailer 7$2,149 AUD

40 data points across 10 retailers

13 retailers$339 AUD to $2,904 AUD

A
Cheapest Retailer
-
$339 AUD
$238 USD
Final sale: no returns
A
Retailer 2
-
$376 AUD
$264 USD
View
B+
Retailer 3
-
$501 AUD
$352 USD
View
A
Retailer 4
-
$668 AUD
€447 EUR
View
A
Retailer 5
-
$720 AUD
$506 USD
View
A
Retailer 6
-
$783 AUD
£433 GBP
View
A
Retailer 7
-
$863 AUD
$606 USD
View
B+
Retailer 8
-
$1,346 AUD
$946 USD
View
B+
Retailer 9
-
$1,490 AUD
$1,047 USD
View
B+
Retailer 10
-
$1,573 AUD
$1,105 USD
View
B
Retailer 11
-
$1,669 AUD
£923 GBP
View
B
Retailer 12
-
$2,149 AUD
$1,510 USD
View
Most Expensive
B
Do Amore Diamonds
27-6FB8B4287 · Oct 29
$2,904 AUD
$2,040 USD
View
12 more retailers have this diamond
Prices start from $339 AUDSave up to $2,565 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
1.82ct Cushion
$339 AUD