CaratHunter
Plans
Cushion|Lab Grown|IGI

1.83ct D FL Cushion Lab Grown Diamond

ID • D/FL • IGI LG846662376

Shape and cutting style on the report: Cushion modified brilliant

Certificate IGI LG846662376

Diamond specifications and retailer prices

From $1,124 AUD
£622 GBP
As of October 30, 2026
Save $5,609 AUD (83%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: $6,734 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 LG846662376 or 846662376. Listed at 10 retailers as of October 30, 2026, with prices from $1,124 to $6,734, a $5,609 spread on the same certified stone. Brilliant Earth lists it at $6,734. 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 angle34.4°
Pavilion angle36.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG846662376
Dimensions8.93 × 6.27 × 4.06 mm
L/W Ratio1.42
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
8.93 mm6.27 mm1.83 ctD / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG846662376
Side View
Table 62.0%Crown 34.4°Girdle: MED-THKPavilion 36.8°Culet: NoneDepth 64.8%

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: $6,734 AUD|Low: $1,124 AUD|High: $11,195 AUD|Avg: $4,251 AUD|-19.6%
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
October 31, 2026
Retailer 6$1,124 AUD
Retailer 7$1,626 AUD
Retailer 9$1,737 AUD
Retailer 2$2,235 AUD
Retailer 4$2,906 AUD
Retailer 3$3,539 AUD
Retailer 5$3,894 AUD
Retailer 10$5,075 AUD
Retailer 8$5,267 AUD
Brilliant Earth$6,734 AUD

13 data points across 10 retailers

10 retailers$1,124 AUD to $6,734 AUD

A
Cheapest Retailer
-
$1,124 AUD
£622 GBP
A
Retailer 2
-
$1,626 AUD
$1,142 USD
View
A
Retailer 3
-
$1,737 AUD
$1,220 USD
View
A
Retailer 4
-
$2,235 AUD
$1,570 USD
View
B+
Retailer 5
-
$2,906 AUD
€1,944 EUR
View
B+
Retailer 6
-
$3,539 AUD
$2,486 USD
View
B+
Retailer 7
-
$3,894 AUD
$2,735 USD
View
Retailer 8
-
$5,075 AUD
$3,565 USD
View
Price last confirmed 11 days ago
B+
Retailer 9
-
$5,267 AUD
£2,913 GBP
View
Most Expensive
B
Brilliant Earth
22154883A · Oct 30
$6,734 AUD
$4,730 USD
View
9 more retailers have this diamond
Prices start from $1,124 AUDSave up to $5,609 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
$1,124 AUD