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Cushion|Lab Grown|IGI

1.83ct E FL Cushion Lab Grown Diamond

ID • E/FL • IGI LG825665174

Shape and cutting style on the report: Cushion modified brilliant

Certificate IGI LG825665174

Diamond specifications and retailer prices

From $1,009 AUD
$709 USD
As of October 30, 2026
Save $4,258 AUD (81%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: $5,267 AUD at Brilliant Earth · As of October 30, 2026
View at Brilliant Earth

About this 1.83ct lab-grown cushion diamond

This 1.83ct 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 LG825665174 or 825665174. Listed at 16 retailers as of October 30, 2026, with prices from $1,009 to $5,267, a $4,258 spread on the same certified stone. Brilliant Earth lists it at $5,267. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.83
Carat
E
Colour
FL
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.4°
Pavilion angle38.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG825665174
Dimensions9.06 × 5.84 × 4.14 mm
L/W Ratio1.55
Girdle conditionFaceted
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
9.06 mm5.84 mm1.83 ctE / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG825665174
Side View
Table 60.0%Crown 35.4°Girdle: MED-THKPavilion 38.6°Culet: NoneDepth 70.9%

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: $5,267 AUD|Low: $1,009 AUD|High: $7,787 AUD|Avg: $3,171 AUD|-32.4%
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
Retailer 15
Retailer 16
October 31, 2026
Retailer 16$1,009 AUD
Retailer 8$1,112 AUD
Retailer 12$1,267 AUD
Retailer 13$1,683 AUD
Retailer 9$1,721 AUD
Retailer 2$1,762 AUD
Retailer 11$1,888 AUD
Retailer 14$2,204 AUD
Retailer 5$2,386 AUD
Retailer 3$3,189 AUD
Retailer 4$3,371 AUD
Retailer 15$3,549 AUD
Retailer 6$3,660 AUD
Retailer 10$4,352 AUD
Retailer 7$5,061 AUD
Brilliant Earth$5,267 AUD

32 data points across 16 retailers

16 retailers$1,009 AUD to $5,267 AUD

A
Cheapest Retailer
-
$1,009 AUD
$709 USD
Final sale: no returns
Retailer 2
-
$1,112 AUD
$781 USD
View
Price last confirmed 15 days ago
A
Retailer 3
-
$1,267 AUD
$890 USD
View
A
Retailer 4
-
$1,683 AUD
$1,182 USD
View
A
Retailer 5
-
$1,721 AUD
£952 GBP
View
A
Retailer 6
-
$1,762 AUD
€1,179 EUR
View
A
Retailer 7
-
$1,888 AUD
ZAR 21,426 ZAR
View
A
Retailer 8
-
$2,204 AUD
$1,548 USD
View
A
Retailer 9
-
$2,386 AUD
$1,676 USD
View
B+
Retailer 10
-
$3,189 AUD
£1,764 GBP
View
B+
Retailer 11
-
$3,371 AUD
$2,368 USD
View
B+
Retailer 12
-
$3,549 AUD
$2,493 USD
View
B+
Retailer 13
-
$3,660 AUD
SGD 3,474 SGD
View
B+
Retailer 14
-
$4,352 AUD
£2,407 GBP
View
B
Retailer 15
-
$5,061 AUD
$3,555 USD
View
Most Expensive
B
Brilliant Earth
21434285A · Oct 30
$5,267 AUD
$3,700 USD
View
15 more retailers have this diamond
Prices start from $1,009 AUDSave up to $4,258 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
1.83ct Cushion
$1,009 AUD