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Cushion|Lab Grown|IGI

1.83ct D FL Cushion Lab Grown Diamond

ID • D/FL • IGI LG816616093

Shape and cutting style on the report: Square cushion modified brilliant

Certificate IGI LG816616093

Diamond specifications and retailer prices

From $957 AUD
$672 USD
As of October 31, 2026
Save $4,880 AUD (84%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: $5,837 AUD at Brilliant Earth · As of October 30, 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 LG816616093 or 816616093. Listed at 17 retailers as of October 30, 2026, with prices from $957 to $5,837, a $4,880 spread on the same certified stone. Brilliant Earth lists it at $5,837. 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
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.7°
Pavilion angle34.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG816616093
Dimensions6.95 × 6.88 × 4.56 mm
L/W Ratio1.01
Girdle conditionFaceted
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
6.95 mm6.88 mm1.83 ctD / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG816616093
Side View
Table 62.0%Crown 35.7°Girdle: STK-THKPavilion 34.6°Culet: NoneDepth 66.3%

Caratlytics Score

How it works →
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 31
Current: $5,837 AUD|Low: $957 AUD|High: $8,342 AUD|Avg: $3,029 AUD|-30.0%
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
October 31, 2026
Retailer 10$957 AUD
Retailer 9$1,045 AUD
Retailer 15$1,224 AUD
Retailer 5$1,626 AUD
Retailer 11$1,659 AUD
Retailer 2$1,813 AUD
Retailer 14$1,822 AUD
Retailer 16$2,178 AUD
Retailer 6$2,292 AUD
Retailer 4$3,081 AUD
Retailer 17$3,428 AUD
Retailer 12$3,616 AUD
Retailer 7$3,767 AUD
Retailer 3$3,978 AUD
Retailer 13$4,627 AUD
Retailer 8$5,054 AUD
Brilliant Earth$5,837 AUD

29 data points across 17 retailers

17 retailers$957 AUD to $5,837 AUD

A
Cheapest Retailer
-
$957 AUD
$672 USD
Final sale: no returns
Retailer 2
-
$1,045 AUD
$734 USD
View
Price last confirmed 15 days ago
A
Retailer 3
-
$1,224 AUD
$860 USD
View
A
Retailer 4
-
$1,626 AUD
$1,142 USD
View
A
Retailer 5
-
$1,659 AUD
£917 GBP
View
A
Retailer 6
-
$1,813 AUD
€1,213 EUR
View
A
Retailer 7
-
$1,822 AUD
ZAR 20,676 ZAR
View
A
Retailer 8
-
$2,178 AUD
$1,530 USD
View
A
Retailer 9
-
$2,292 AUD
$1,610 USD
View
B+
Retailer 10
-
$3,081 AUD
£1,704 GBP
View
B+
Retailer 11
-
$3,428 AUD
$2,408 USD
View
B+
Retailer 12
-
$3,616 AUD
$2,540 USD
View
B+
Retailer 13
-
$3,767 AUD
SGD 3,576 SGD
View
B+
Retailer 14
-
$3,978 AUD
$2,794 USD
View
B
Retailer 15
-
$4,627 AUD
£2,559 GBP
View
Retailer 16
-
$5,054 AUD
$3,550 USD
View
Price last confirmed 11 days ago
Most Expensive
B
Brilliant Earth
21421165A · Oct 30
$5,837 AUD
$4,100 USD
View
16 more retailers have this diamond
Prices start from $957 AUDSave up to $4,880 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
$957 AUD