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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 $735 USD
As of October 30, 2026
Save $3,385 USD (82%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: $6,090 USD 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 30, 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
Color
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
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 30
Current: $4,120 USD|Low: $675 USD|High: $5,900 USD|Avg: $2,208 USD|-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
October 30, 2026
Retailer 13$735 USD
Retailer 9$738 USD
Retailer 14$865 USD
Retailer 15$1,148 USD
Retailer 10$1,171 USD
Retailer 12$1,286 USD
Retailer 11$1,289 USD
Retailer 17$1,545 USD
Retailer 6$1,619 USD
Retailer 5$2,179 USD
Retailer 3$2,420 USD
Retailer 2$2,554 USD
Retailer 7$2,658 USD
Retailer 16$3,254 USD
Retailer 8$3,570 USD
Retailer 4$3,746 USD
Brilliant Earth$4,120 USD

30 data points across 17 retailers

18 retailers$735 USD to $4,120 USD

A
Cheapest Retailer
-
$735 USD
Final sale: no returns
Retailer 2
-
$738 USD
View
Price last confirmed 14 days ago
A
Retailer 3
-
$865 USD
View
A
Retailer 4
-
$1,148 USD
View
A
Retailer 5
-
$1,171 USD
£922 GBP
View
A
Retailer 6
-
$1,286 USD
ZAR 20,783 ZAR
View
A
Retailer 7
-
$1,289 USD
€1,228 EUR
View
A
Retailer 8
-
$1,545 USD
View
A
Retailer 9
-
$1,619 USD
View
B+
Retailer 10
-
$2,179 USD
£1,716 GBP
View
B+
Retailer 11
-
$2,420 USD
View
B+
Retailer 12
-
$2,554 USD
View
B+
Retailer 13
-
$2,658 USD
SGD 3,592 SGD
View
B+
Retailer 14
-
$3,254 USD
£2,562 GBP
View
Retailer 15
-
$3,570 USD
View
Price last confirmed 9 days ago
B+
Retailer 16
-
$3,746 USD
View
B
Retailer 17
-
$4,120 USD
View
Most Expensive
Brilliant Earth
21094796A · Sep 28
$6,090 USD
View
Price last confirmed 32 days ago
17 more retailers have this diamond
Prices start from $735 USDSave up to $3,385 USD

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
$735 USD