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Cushion|Lab Grown|IGI

1.86ct E FL Cushion Lab Grown Diamond

ID • E/FL • IGI LG836616537

Shape and cutting style on the report: Cushion modified brilliant

Certificate IGI LG836616537

Diamond specifications and retailer prices

From $1,026 AUD
$721 USD
As of October 30, 2026
Save $4,326 AUD (81%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: $5,353 AUD at Brilliant Earth · As of October 30, 2026
View at Brilliant Earth

About this 1.86ct lab-grown cushion diamond

This 1.86ct 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 LG836616537 or 836616537. Listed at 18 retailers as of October 30, 2026, with prices from $1,026 to $5,353, a $4,326 spread on the same certified stone. Brilliant Earth lists it at $5,353. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.86
Carat
E
Colour
FL
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.9°
Pavilion angle39°
OriginLab Grown
Grading LabIGI
CertificateIGI LG836616537
Dimensions8.83 × 6.17 × 4.20 mm
L/W Ratio1.43
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
8.83 mm6.17 mm1.86 ctE / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG836616537
Side View
Table 60.0%Crown 36.9°Girdle: STK-THKPavilion 39°Culet: NoneDepth 68.1%

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: $5,353 AUD|Low: $1,026 AUD|High: $7,659 AUD|Avg: $2,977 AUD|-30.1%
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
Retailer 17
Retailer 18
October 31, 2026
Retailer 5$1,026 AUD
Retailer 9$1,129 AUD
Retailer 13$1,152 AUD
Retailer 16$1,288 AUD
Retailer 6$1,412 AUD
Retailer 11$1,666 AUD
Retailer 17$1,707 AUD
Retailer 2$1,789 AUD
Retailer 14$1,918 AUD
Retailer 3$2,268 AUD
Retailer 12$2,426 AUD
Retailer 7$3,425 AUD
Retailer 4$3,602 AUD
Retailer 8$3,718 AUD
Retailer 18$4,402 AUD
Retailer 10$4,840 AUD
Retailer 15$5,139 AUD
Brilliant Earth$5,353 AUD

16 data points across 18 retailers

18 retailers$1,026 AUD to $5,353 AUD

A
Cheapest Retailer
-
$1,026 AUD
$721 USD
Final sale: no returns
Retailer 2
-
$1,129 AUD
$793 USD
View
Price last confirmed 14 days ago
A
Retailer 3
-
$1,152 AUD
£637 GBP
View
A
Retailer 4
-
$1,288 AUD
$905 USD
View
A
Retailer 5
-
$1,412 AUD
$992 USD
View
A
Retailer 6
-
$1,666 AUD
£922 GBP
View
A
Retailer 7
-
$1,707 AUD
$1,199 USD
View
A
Retailer 8
-
$1,789 AUD
€1,197 EUR
View
A
Retailer 9
-
$1,918 AUD
ZAR 21,761 ZAR
View
A
Retailer 10
-
$2,268 AUD
$1,593 USD
View
A
Retailer 11
-
$2,426 AUD
$1,704 USD
View
B+
Retailer 12
-
$3,425 AUD
$2,406 USD
View
B+
Retailer 13
-
$3,602 AUD
$2,530 USD
View
B+
Retailer 14
-
$3,718 AUD
SGD 3,529 SGD
View
B+
Retailer 15
-
$4,402 AUD
£2,435 GBP
View
B
Retailer 16
-
$4,840 AUD
$3,400 USD
View
B
Retailer 17
-
$5,139 AUD
$3,610 USD
View
Most Expensive
B
Brilliant Earth
21861632A · Oct 30
$5,353 AUD
$3,760 USD
View
17 more retailers have this diamond
Prices start from $1,026 AUDSave up to $4,326 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
1.86ct Cushion
$1,026 AUD