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Cushion|Lab Grown|IGI

1.84ct D IF Cushion Lab Grown Diamond

ID • D/IF • IGI LG731557339

Shape and cutting style on the report: Cushion modified brilliant

Certificate IGI LG731557339

Diamond specifications and retailer prices

From $486 USD
As of October 30, 2026
Save $3,234 USD (87%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: $3,720 USD at Brilliant Earth · As of October 30, 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 D colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG731557339 or 731557339. Listed at 13 retailers as of October 30, 2026, with prices from $486 to $3,720, a $3,234 spread on the same certified stone. Brilliant Earth lists it at $3,720. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.84
Carat
D
Color
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.8°
Pavilion angle38.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG731557339
Dimensions7.85 × 6.59 × 4.66 mm
L/W Ratio1.19
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
7.85 mm6.59 mm1.84 ctD / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG731557339
Side View
Table 57.0%Crown 36.8°Girdle: MED-THKPavilion 38.4°Culet: NoneDepth 70.7%

Caratlytics Score

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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 30
Current: $3,720 USD|Low: $347 USD|High: $5,480 USD|Avg: $1,928 USD|-32.1%
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
October 30, 2026
Retailer 5$486 USD
Retailer 9$656 USD
Retailer 13$705 USD
Retailer 8$777 USD
Retailer 6$783 USD
Retailer 3$1,172 USD
Retailer 2$1,260 USD
Retailer 11$1,451 USD
Retailer 7$1,998 USD
Retailer 4$3,189 USD
Retailer 12$3,270 USD
Retailer 10$3,510 USD
Brilliant Earth$3,720 USD

31 data points across 13 retailers

13 retailers$486 USD to $3,720 USD

A
Cheapest Retailer
-
$486 USD
Final sale: no returns
A
Retailer 2
-
$656 USD
View
A
Retailer 3
-
$705 USD
View
A
Retailer 4
-
$777 USD
View
A
Retailer 5
-
$783 USD
€746 EUR
View
A
Retailer 6
-
$1,172 USD
View
A
Retailer 7
-
$1,260 USD
A$1,938 AUD
View
A
Retailer 8
-
$1,451 USD
View
B+
Retailer 9
-
$1,998 USD
£1,573 GBP
View
Retailer 10
-
$3,189 USD
A$4,906 AUD
View
Price last confirmed 22 days ago
Retailer 11
-
$3,270 USD
View
Price last confirmed 9 days ago
B
Retailer 12
-
$3,510 USD
View
Most Expensive
B
Brilliant Earth
15899175Y · Oct 30
$3,720 USD
View
12 more retailers have this diamond
Prices start from $486 USDSave up to $3,234 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
$486 USD