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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 $356 USD
As of November 1, 2026
Save $2,514 USD (88%) vs most expensive(unlock to see where)
20 retailers carry this diamond
Most expensive: $2,870 USD at Brilliant Earth · As of October 31, 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 October 31, 2026, with prices from $356 to $2,870, a $2,514 spread on the same certified stone. Brilliant Earth lists it at $2,870. 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
Color
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: $2,870 USD|Low: $356 USD|High: $2,870 USD|Avg: $1,229 USD
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
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Retailer 17
Retailer 18
November 1, 2026
Retailer 6$356 USD
Retailer 13$585 USD
Retailer 12$639 USD
Retailer 8$642 USD
Retailer 16$678 USD
Retailer 11$699 USD
Retailer 4$741 USD
Retailer 15$920 USD
Retailer 18$955 USD
Retailer 9$1,262 USD
Retailer 7$1,315 USD
Retailer 5$1,441 USD
Retailer 3$1,517 USD
Retailer 17$1,539 USD
Retailer 2$1,582 USD
Retailer 14$1,809 USD
Retailer 10$2,245 USD
Brilliant Earth$2,870 USD

41 data points across 18 retailers

20 retailers$356 USD to $2,870 USD

A
Cheapest Retailer
-
$356 USD
Final sale: no returns
A
Retailer 2
-
$585 USD
View
A
Retailer 3
-
$639 USD
€609 EUR
View
A
Retailer 4
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$642 USD
View
A
Retailer 5
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$678 USD
ZAR 10,960 ZAR
View
A
Retailer 6
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$699 USD
£550 GBP
View
A
Retailer 7
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$741 USD
View
A
Retailer 8
-
$920 USD
A$1,416 AUD
View
A
Retailer 9
-
$955 USD
View
A
Retailer 10
-
$1,262 USD
SGD 1,705 SGD
View
A
Retailer 11
-
$1,315 USD
View
A
Retailer 12
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$1,396 USD
View
A
Retailer 13
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$1,441 USD
View
A
Retailer 14
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$1,517 USD
View
A
Retailer 15
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$1,539 USD
£1,212 GBP
View
A
Retailer 16
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$1,582 USD
£1,246 GBP
View
A
Retailer 17
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$1,809 USD
A$2,783 AUD
View
Retailer 18
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$2,013 USD
View
Price last confirmed 62 days ago
Retailer 19
-
$2,245 USD
View
Price last confirmed 27 days ago
Most Expensive
B+
Brilliant Earth
17358760A · Oct 31
$2,870 USD
View
19 more retailers have this diamond
Prices start from $356 USDSave up to $2,514 USD

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
$356 USD