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Cushion|Lab Grown|IGI

1.84ct F IF Cushion Lab Grown Diamond

EX • F/IF • IGI LG758517415

Shape and cutting style on the report: Cushion modified brilliant

Certificate IGI LG758517415

Diamond specifications and retailer prices

From $508 AUD
$356 USD
As of November 1, 2026
Save $3,587 AUD (88%) vs most expensive(unlock to see where)
20 retailers carry this diamond
Most expensive: $4,095 AUD at Brilliant Earth · As of November 2, 2026
View at Brilliant Earth

About this 1.84ct lab-grown cushion diamond

This 1.84ct lab-grown cushion sits in the one-and-a-half to two carat band, graded F colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG758517415 or 758517415. Listed at 20 retailers as of November 1, 2026, with prices from $508 to $4,095, a $3,587 spread on the same certified stone. Brilliant Earth lists it at $4,095. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.84
Carat
F
Colour
IF
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.3°
Pavilion angle37.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG758517415
Dimensions8.56 × 6.41 × 4.26 mm
L/W Ratio1.34
Girdle conditionFaceted
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
8.56 mm6.41 mm1.84 ctF / IF
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG758517415
Side View
Table 63.0%Crown 34.3°Girdle: MED-STKPavilion 37.4°Culet: NoneDepth 66.5%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Nov 1
Current: $4,095 AUD|Low: $508 AUD|High: $4,095 AUD|Avg: $1,771 AUD
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
November 2, 2026
Retailer 6$508 AUD
Retailer 15$835 AUD
Retailer 14$912 AUD
Retailer 8$916 AUD
Retailer 12$971 AUD
Retailer 11$1,005 AUD
Retailer 4$1,057 AUD
Retailer 17$1,313 AUD
Retailer 2$1,376 AUD
Retailer 9$1,800 AUD
Retailer 7$1,876 AUD
Retailer 5$2,056 AUD
Retailer 3$2,165 AUD
Retailer 18$2,196 AUD
Retailer 13$2,258 AUD
Retailer 16$2,581 AUD
Retailer 10$3,203 AUD
Brilliant Earth$4,095 AUD

41 data points across 18 retailers

20 retailers$508 AUD to $4,095 AUD

A
Cheapest Retailer
-
$508 AUD
$356 USD
Final sale: no returns
A
Retailer 2
-
$835 AUD
$585 USD
View
A
Retailer 3
-
$912 AUD
€609 EUR
View
A
Retailer 4
-
$916 AUD
$642 USD
View
A
Retailer 5
-
$971 AUD
ZAR 10,999 ZAR
View
A
Retailer 6
-
$1,005 AUD
£555 GBP
View
A
Retailer 7
-
$1,057 AUD
$741 USD
View
A
Retailer 8
-
$1,313 AUD
View
A
Retailer 9
-
$1,376 AUD
$964 USD
View
A
Retailer 10
-
$1,800 AUD
SGD 1,705 SGD
View
A
Retailer 11
-
$1,876 AUD
$1,315 USD
View
A
Retailer 12
-
$1,992 AUD
$1,396 USD
View
A
Retailer 13
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$2,056 AUD
$1,441 USD
View
A
Retailer 14
-
$2,165 AUD
$1,517 USD
View
A
Retailer 15
-
$2,196 AUD
£1,212 GBP
View
A
Retailer 16
-
$2,258 AUD
£1,246 GBP
View
A
Retailer 17
-
$2,581 AUD
View
Retailer 18
-
$2,872 AUD
$2,013 USD
View
Price last confirmed 63 days ago
Retailer 19
-
$3,203 AUD
$2,245 USD
View
Price last confirmed 28 days ago
Most Expensive
B+
Brilliant Earth
17358760A · Nov 2
$4,095 AUD
$2,870 USD
View
19 more retailers have this diamond
Prices start from $508 AUDSave up to $3,587 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
1.84ct Cushion
$508 AUD