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Cushion|Lab Grown|IGI

1.83ct D FL Cushion Lab Grown Diamond

EX • D/FL • IGI LG775615048

Shape and cutting style on the report: Cushion modified brilliant

Certificate IGI LG775615048

Diamond specifications and retailer prices

From $1,092 AUD
$767 USD
As of October 30, 2026
Save $6,225 AUD (85%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: $7,317 AUD at Brilliant Earth · As of October 31, 2026
View at Brilliant Earth

About this 1.83ct lab-grown cushion diamond

This 1.83ct lab-grown cushion sits in the one-and-a-half to two carat band, graded D colour (colourless) and FL clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG775615048 or 775615048. Listed at 18 retailers as of October 30, 2026, with prices from $1,092 to $7,317, a $6,225 spread on the same certified stone. Brilliant Earth lists it at $7,317. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.83
Carat
D
Colour
FL
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.7°
Pavilion angle37.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG775615048
Dimensions8.31 × 6.55 × 4.42 mm
L/W Ratio1.27
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
8.31 mm6.55 mm1.83 ctD / FL
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG775615048
Side View
Table 61.0%Crown 33.7°Girdle: MED-STKPavilion 37.8°Culet: NoneDepth 67.5%

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: $7,317 AUD|Low: $1,092 AUD|High: $8,627 AUD|Avg: $3,192 AUD|-12.6%
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
November 1, 2026
Retailer 4$1,092 AUD
Retailer 14$1,312 AUD
Retailer 12$1,388 AUD
Retailer 16$1,495 AUD
Retailer 9$1,519 AUD
Retailer 10$1,800 AUD
Retailer 11$1,837 AUD
Retailer 5$1,844 AUD
Retailer 13$2,083 AUD
Retailer 17$2,219 AUD
Retailer 15$3,515 AUD
Retailer 7$3,817 AUD
Retailer 8$3,865 AUD
Retailer 3$3,908 AUD
Retailer 6$3,908 AUD
Retailer 2$4,773 AUD
Brilliant Earth$7,317 AUD

43 data points across 17 retailers

18 retailers$1,092 AUD to $7,317 AUD

A
Cheapest Retailer
-
$1,092 AUD
$767 USD
Final sale: no returns
A
Retailer 2
-
$1,312 AUD
HK$7,200 HKD
View
A
Retailer 3
-
$1,388 AUD
$975 USD
View
A
Retailer 4
-
$1,495 AUD
$1,050 USD
View
Retailer 5
-
$1,519 AUD
$1,067 USD
View
Price last confirmed 15 days ago
A
Retailer 6
-
$1,800 AUD
£995 GBP
View
A
Retailer 7
-
$1,837 AUD
€1,229 EUR
View
A
Retailer 8
-
$1,844 AUD
$1,295 USD
View
A
Retailer 9
-
$2,083 AUD
ZAR 23,637 ZAR
View
A
Retailer 10
-
$2,219 AUD
$1,559 USD
View
B+
Retailer 11
-
$3,515 AUD
£1,944 GBP
View
B+
Retailer 12
-
$3,667 AUD
$2,576 USD
View
B+
Retailer 13
-
$3,817 AUD
SGD 3,623 SGD
View
B+
Retailer 14
-
$3,865 AUD
$2,715 USD
View
B+
Retailer 15
-
$3,908 AUD
$2,745 USD
View
B+
Retailer 16
-
$3,908 AUD
$2,745 USD
View
B+
Retailer 17
-
$4,773 AUD
£2,640 GBP
View
Most Expensive
B
Brilliant Earth
19073865A · Oct 31
$7,317 AUD
$5,140 USD
View
17 more retailers have this diamond
Prices start from $1,092 AUDSave up to $6,225 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
1.83ct Cushion
$1,092 AUD