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 $422 NZD
$238 USD
As of October 30, 2026
Save $3,197 NZD (88%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: $3,620 NZD 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 29, 2026, with prices from $422 to $3,620, a $3,197 spread on the same certified stone. Do Amore Diamonds lists it at $3,620. 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 30
Current: $975 NZD|Low: $422 NZD|High: $4,241 NZD|Avg: $1,406 NZD|+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$422 NZD
Retailer 4$468 NZD
Retailer 2$625 NZD
Retailer 3$833 NZD
Retailer 1$975 NZD
Retailer 10$1,075 NZD
Retailer 8$1,858 NZD
Retailer 6$1,961 NZD
Retailer 5$2,080 NZD
Retailer 7$2,679 NZD

40 data points across 10 retailers

13 retailers$422 NZD to $3,620 NZD

A
Cheapest Retailer
-
$422 NZD
$238 USD
Final sale: no returns
A
Retailer 2
-
$468 NZD
$264 USD
View
B+
Retailer 3
-
$625 NZD
$352 USD
View
A
Retailer 4
-
$833 NZD
€447 EUR
View
A
Retailer 5
-
$898 NZD
$506 USD
View
A
Retailer 6
-
$975 NZD
£433 GBP
View
A
Retailer 7
-
$1,075 NZD
$606 USD
View
B+
Retailer 8
-
$1,678 NZD
$946 USD
View
B+
Retailer 9
-
$1,858 NZD
$1,047 USD
View
B+
Retailer 10
-
$1,961 NZD
$1,105 USD
View
B
Retailer 11
-
$2,080 NZD
£923 GBP
View
B
Retailer 12
-
$2,679 NZD
$1,510 USD
View
Most Expensive
B
Do Amore Diamonds
27-6FB8B4287 · Oct 29
$3,620 NZD
$2,040 USD
View
12 more retailers have this diamond
Prices start from $422 NZDSave up to $3,197 NZD

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
$422 NZD