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 $692 AUD
$486 USD
As of October 30, 2026
Save $4,604 AUD (87%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: $5,296 AUD 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 $692 to $5,296, a $4,604 spread on the same certified stone. Brilliant Earth lists it at $5,296. 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
Colour
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

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: $5,296 AUD|Low: $692 AUD|High: $7,801 AUD|Avg: $2,741 AUD|-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 31, 2026
Retailer 5$692 AUD
Retailer 10$934 AUD
Retailer 3$1,004 AUD
Retailer 9$1,106 AUD
Retailer 2$1,108 AUD
Retailer 4$1,668 AUD
Retailer 7$1,793 AUD
Retailer 12$2,065 AUD
Retailer 8$2,844 AUD
Retailer 6$4,479 AUD
Retailer 13$4,655 AUD
Retailer 11$4,997 AUD
Brilliant Earth$5,296 AUD

31 data points across 13 retailers

13 retailers$692 AUD to $5,296 AUD

A
Cheapest Retailer
-
$692 AUD
$486 USD
Final sale: no returns
A
Retailer 2
-
$934 AUD
$656 USD
View
A
Retailer 3
-
$1,004 AUD
$705 USD
View
A
Retailer 4
-
$1,106 AUD
$777 USD
View
A
Retailer 5
-
$1,108 AUD
€741 EUR
View
A
Retailer 6
-
$1,668 AUD
$1,172 USD
View
A
Retailer 7
-
$1,793 AUD
View
A
Retailer 8
-
$2,065 AUD
$1,451 USD
View
B+
Retailer 9
-
$2,844 AUD
£1,573 GBP
View
B+
Retailer 10
-
$4,479 AUD
View
Retailer 11
-
$4,655 AUD
$3,270 USD
View
Price last confirmed 10 days ago
B
Retailer 12
-
$4,997 AUD
$3,510 USD
View
Most Expensive
B
Brilliant Earth
15899175Y · Oct 30
$5,296 AUD
$3,720 USD
View
12 more retailers have this diamond
Prices start from $692 AUDSave up to $4,604 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
$692 AUD