Cushion|Lab Grown|IGI

1.84ct D FL Cushion Lab Grown Diamond

ID • D/FL • IGI LG818669969

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

Certificate IGI LG818669969

Diamond specifications and retailer prices

From $1,046 AUD
$735 USD
As of November 1, 2026
Save $4,819 AUD (82%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: $8,670 AUD at Brilliant Earth · As of September 28, 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 FL clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG818669969 or 818669969. Listed at 18 retailers as of October 31, 2026, with a 461% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. 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
FL
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.4°
Pavilion angle34.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG818669969
Dimensions7.18 × 7.00 × 4.47 mm
L/W Ratio1.03
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
7.18 mm7.00 mm1.84 ctD / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG818669969
Side View
Table 61.0%Crown 36.4°Girdle: MED-THKPavilion 34.6°Culet: NoneDepth 63.9%

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: Nov 1
Current: $5,865 AUD|Low: $961 AUD|High: $8,399 AUD|Avg: $3,103 AUD|-30.2%
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 2$1,046 AUD
Retailer 9$1,051 AUD
Retailer 15$1,231 AUD
Retailer 16$1,634 AUD
Retailer 11$1,654 AUD
Retailer 12$1,822 AUD
Retailer 14$1,831 AUD
Retailer 17$2,199 AUD
Retailer 6$2,305 AUD
Retailer 5$3,102 AUD
Retailer 3$3,446 AUD
Retailer 13$3,636 AUD
Retailer 7$3,784 AUD
Retailer 10$4,627 AUD
Retailer 8$5,082 AUD
Retailer 4$5,333 AUD
Brilliant Earth$5,865 AUD

29 data points across 17 retailers

18 retailers$1,046 AUD to $5,865 AUD

A
Cheapest Retailer
-
$1,046 AUD
$735 USD
Final sale: no returns
Retailer 2
-
$1,051 AUD
$738 USD
View
Price last confirmed 16 days ago
A
Retailer 3
-
$1,231 AUD
$865 USD
View
A
Retailer 4
-
$1,634 AUD
$1,148 USD
View
A
Retailer 5
-
$1,654 AUD
£915 GBP
View
A
Retailer 6
-
$1,822 AUD
€1,219 EUR
View
A
Retailer 7
-
$1,831 AUD
ZAR 20,783 ZAR
View
A
Retailer 8
-
$2,199 AUD
$1,545 USD
View
A
Retailer 9
-
$2,305 AUD
$1,619 USD
View
B+
Retailer 10
-
$3,102 AUD
£1,716 GBP
View
B+
Retailer 11
-
$3,446 AUD
$2,420 USD
View
B+
Retailer 12
-
$3,636 AUD
$2,554 USD
View
B+
Retailer 13
-
$3,784 AUD
SGD 3,592 SGD
View
B
Retailer 14
-
$4,627 AUD
£2,559 GBP
View
Retailer 15
-
$5,082 AUD
$3,570 USD
View
Price last confirmed 11 days ago
B+
Retailer 16
-
$5,333 AUD
$3,746 USD
View
B
Retailer 17
-
$5,865 AUD
$4,120 USD
View
Most Expensive
Brilliant Earth
21094796A · Sep 28
$8,670 AUD
$6,090 USD
View
Price last confirmed 33 days ago
17 more retailers have this diamond
Prices start from $1,046 AUDSave up to $4,819 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
$1,046 AUD