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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 $1,304 NZD
$735 USD
As of November 1, 2026
Save $6,006 NZD (82%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: $10,805 NZD 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: $7,310 NZD|Low: $1,198 NZD|High: $10,468 NZD|Avg: $3,867 NZD|-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$1,304 NZD
Retailer 9$1,309 NZD
Retailer 15$1,535 NZD
Retailer 16$2,037 NZD
Retailer 11$2,061 NZD
Retailer 12$2,271 NZD
Retailer 14$2,283 NZD
Retailer 17$2,741 NZD
Retailer 6$2,873 NZD
Retailer 5$3,867 NZD
Retailer 3$4,295 NZD
Retailer 13$4,532 NZD
Retailer 7$4,716 NZD
Retailer 10$5,766 NZD
Retailer 8$6,334 NZD
Retailer 4$6,647 NZD
Brilliant Earth$7,310 NZD

29 data points across 17 retailers

18 retailers$1,304 NZD to $7,310 NZD

A
Cheapest Retailer
-
$1,304 NZD
$735 USD
Final sale: no returns
Retailer 2
-
$1,309 NZD
$738 USD
View
Price last confirmed 16 days ago
A
Retailer 3
-
$1,535 NZD
$865 USD
View
A
Retailer 4
-
$2,037 NZD
$1,148 USD
View
A
Retailer 5
-
$2,061 NZD
£915 GBP
View
A
Retailer 6
-
$2,271 NZD
€1,219 EUR
View
A
Retailer 7
-
$2,283 NZD
ZAR 20,783 ZAR
View
A
Retailer 8
-
$2,741 NZD
$1,545 USD
View
A
Retailer 9
-
$2,873 NZD
$1,619 USD
View
B+
Retailer 10
-
$3,867 NZD
£1,716 GBP
View
B+
Retailer 11
-
$4,295 NZD
$2,420 USD
View
B+
Retailer 12
-
$4,532 NZD
$2,554 USD
View
B+
Retailer 13
-
$4,716 NZD
SGD 3,592 SGD
View
B
Retailer 14
-
$5,766 NZD
£2,559 GBP
View
Retailer 15
-
$6,334 NZD
$3,570 USD
View
Price last confirmed 11 days ago
B+
Retailer 16
-
$6,647 NZD
$3,746 USD
View
B
Retailer 17
-
$7,310 NZD
$4,120 USD
View
Most Expensive
Brilliant Earth
21094796A · Sep 28
$10,805 NZD
$6,090 USD
View
Price last confirmed 34 days ago
17 more retailers have this diamond
Prices start from $1,304 NZDSave up to $6,006 NZD

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
$1,304 NZD