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Cushion|Lab Grown|IGI

1.80ct E FL Cushion Lab Grown Diamond

ID • E/FL • IGI LG837628356

Shape and cutting style on the report: Cushion mixed cut

Certificate IGI LG837628356

Diamond specifications and retailer prices

From $1,639 AUD
$1,151 USD
As of October 31, 2026
Save $9,622 AUD (85%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: $11,261 AUD at Do Amore Diamonds · As of October 31, 2026
View at Do Amore Diamonds

About this 1.8ct lab-grown cushion diamond

This 1.8ct lab-grown cushion sits in the one-and-a-half to two carat band, graded E colour (colourless) and FL clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG837628356 or 837628356. Listed at 12 retailers as of October 31, 2026, with prices from $1,639 to $11,261, a $9,622 spread on the same certified stone. Do Amore Diamonds lists it at $11,261. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.80
Carat
E
Colour
FL
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.6°
Pavilion angle50.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG837628356
Dimensions8.46 × 5.80 × 3.66 mm
L/W Ratio1.46
Girdle conditionFaceted
Culet sizeLarge
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
8.46 mm5.80 mm1.80 ctE / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG837628356
Side View
Table 65.0%Crown 35.6°Girdle: MED-STKPavilion 50.5°Culet: LargeDepth 63.1%

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 31
Current: $11,261 AUD|Low: $1,639 AUD|High: $11,261 AUD|Avg: $3,638 AUD
Do Amore Diamonds
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
October 31, 2026
Retailer 7$1,639 AUD
Retailer 12$1,770 AUD
Retailer 9$1,957 AUD
Retailer 10$2,608 AUD
Retailer 6$2,612 AUD
Retailer 2$2,620 AUD
Retailer 8$3,351 AUD
Retailer 5$4,209 AUD
Retailer 13$4,862 AUD
Retailer 11$5,282 AUD
Retailer 3$5,865 AUD
Retailer 4$6,480 AUD
Do Amore Diamonds$11,261 AUD

12 data points across 13 retailers

12 retailers$1,639 AUD to $11,261 AUD

A
Cheapest Retailer
-
$1,639 AUD
$1,151 USD
Final sale: no returns
A
Retailer 2
-
$1,770 AUD
$1,243 USD
View
A
Retailer 3
-
$1,957 AUD
$1,375 USD
View
B+
Retailer 4
-
$2,608 AUD
$1,832 USD
View
B+
Retailer 5
-
$2,612 AUD
$1,835 USD
View
B+
Retailer 6
-
$2,620 AUD
£1,449 GBP
View
B+
Retailer 7
-
$3,351 AUD
ZAR 38,026 ZAR
View
B
Retailer 8
-
$4,862 AUD
$3,415 USD
View
B
Retailer 9
-
$5,282 AUD
$3,710 USD
View
B
Retailer 10
-
$5,865 AUD
£3,244 GBP
View
B
Retailer 11
-
$6,480 AUD
$4,552 USD
View
Most Expensive
B
Do Amore Diamonds
20-E101709 · Oct 31
$11,261 AUD
$7,910 USD
View
11 more retailers have this diamond
Prices start from $1,639 AUDSave up to $9,622 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
1.80ct Cushion
$1,639 AUD