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Cushion|Lab Grown|IGI

1.83ct D FL Cushion Lab Grown Diamond

EX • D/FL • IGI LG775615048

Shape and cutting style on the report: Cushion modified brilliant

Certificate IGI LG775615048

Diamond specifications and retailer prices

From $1,361 NZD
$767 USD
As of November 1, 2026
Save $7,759 NZD (85%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: $9,120 NZD at Brilliant Earth · As of October 31, 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 LG775615048 or 775615048. Listed at 18 retailers as of October 31, 2026, with prices from $1,361 to $9,120, a $7,759 spread on the same certified stone. Brilliant Earth lists it at $9,120. 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
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.7°
Pavilion angle37.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG775615048
Dimensions8.31 × 6.55 × 4.42 mm
L/W Ratio1.27
Girdle conditionFaceted
Culet sizePointed
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
8.31 mm6.55 mm1.83 ctD / FL
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG775615048
Side View
Table 61.0%Crown 33.7°Girdle: MED-STKPavilion 37.8°Culet: NoneDepth 67.5%

Caratlytics Score

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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: Nov 1
Current: $9,120 NZD|Low: $1,361 NZD|High: $10,752 NZD|Avg: $3,978 NZD|-12.6%
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 4$1,361 NZD
Retailer 14$1,635 NZD
Retailer 12$1,730 NZD
Retailer 16$1,863 NZD
Retailer 9$1,893 NZD
Retailer 10$2,243 NZD
Retailer 11$2,290 NZD
Retailer 5$2,298 NZD
Retailer 13$2,596 NZD
Retailer 17$2,766 NZD
Retailer 15$4,381 NZD
Retailer 7$4,757 NZD
Retailer 8$4,817 NZD
Retailer 3$4,871 NZD
Retailer 6$4,871 NZD
Retailer 2$5,949 NZD
Brilliant Earth$9,120 NZD

43 data points across 17 retailers

18 retailers$1,361 NZD to $9,120 NZD

A
Cheapest Retailer
-
$1,361 NZD
$767 USD
Final sale: no returns
A
Retailer 2
-
$1,635 NZD
HK$7,200 HKD
View
A
Retailer 3
-
$1,730 NZD
$975 USD
View
A
Retailer 4
-
$1,863 NZD
$1,050 USD
View
Retailer 5
-
$1,893 NZD
$1,067 USD
View
Price last confirmed 15 days ago
A
Retailer 6
-
$2,243 NZD
£995 GBP
View
A
Retailer 7
-
$2,290 NZD
€1,229 EUR
View
A
Retailer 8
-
$2,298 NZD
$1,295 USD
View
A
Retailer 9
-
$2,596 NZD
ZAR 23,637 ZAR
View
A
Retailer 10
-
$2,766 NZD
$1,559 USD
View
B+
Retailer 11
-
$4,381 NZD
£1,944 GBP
View
B+
Retailer 12
-
$4,571 NZD
$2,576 USD
View
B+
Retailer 13
-
$4,757 NZD
SGD 3,623 SGD
View
B+
Retailer 14
-
$4,817 NZD
$2,715 USD
View
B+
Retailer 15
-
$4,871 NZD
$2,745 USD
View
B+
Retailer 16
-
$4,871 NZD
$2,745 USD
View
B+
Retailer 17
-
$5,949 NZD
£2,640 GBP
View
Most Expensive
B
Brilliant Earth
19073865A · Oct 31
$9,120 NZD
$5,140 USD
View
17 more retailers have this diamond
Prices start from $1,361 NZDSave up to $7,759 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
1.83ct Cushion
$1,361 NZD