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Cushion|Lab Grown|IGI

1.83ct D FL Cushion Lab Grown Diamond

ID • D/FL • IGI LG816616093

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

Certificate IGI LG816616093

Diamond specifications and retailer prices

From $1,297 NZD
$731 USD
As of November 1, 2026
Save $5,978 NZD (82%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: $7,275 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 LG816616093 or 816616093. Listed at 17 retailers as of October 31, 2026, with prices from $1,297 to $7,275, a $5,978 spread on the same certified stone. Brilliant Earth lists it at $7,275. 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 angle35.7°
Pavilion angle34.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG816616093
Dimensions6.95 × 6.88 × 4.56 mm
L/W Ratio1.01
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
6.95 mm6.88 mm1.83 ctD / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG816616093
Side View
Table 62.0%Crown 35.7°Girdle: STK-THKPavilion 34.6°Culet: NoneDepth 66.3%

Caratlytics Score

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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: $7,275 NZD|Low: $1,192 NZD|High: $10,397 NZD|Avg: $3,771 NZD|-30.0%
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$1,297 NZD
Retailer 9$1,302 NZD
Retailer 15$1,526 NZD
Retailer 5$2,026 NZD
Retailer 11$2,050 NZD
Retailer 12$2,260 NZD
Retailer 14$2,271 NZD
Retailer 16$2,715 NZD
Retailer 6$2,857 NZD
Retailer 4$3,840 NZD
Retailer 17$4,273 NZD
Retailer 13$4,507 NZD
Retailer 7$4,695 NZD
Retailer 3$4,957 NZD
Retailer 10$5,737 NZD
Retailer 8$6,299 NZD
Brilliant Earth$7,275 NZD

29 data points across 17 retailers

17 retailers$1,297 NZD to $7,275 NZD

A
Cheapest Retailer
-
$1,297 NZD
$731 USD
Final sale: no returns
Retailer 2
-
$1,302 NZD
$734 USD
View
Price last confirmed 16 days ago
A
Retailer 3
-
$1,526 NZD
$860 USD
View
A
Retailer 4
-
$2,026 NZD
$1,142 USD
View
A
Retailer 5
-
$2,050 NZD
£910 GBP
View
A
Retailer 6
-
$2,260 NZD
€1,213 EUR
View
A
Retailer 7
-
$2,271 NZD
ZAR 20,676 ZAR
View
A
Retailer 8
-
$2,715 NZD
$1,530 USD
View
A
Retailer 9
-
$2,857 NZD
$1,610 USD
View
B+
Retailer 10
-
$3,840 NZD
£1,704 GBP
View
B+
Retailer 11
-
$4,273 NZD
$2,408 USD
View
B+
Retailer 12
-
$4,507 NZD
$2,540 USD
View
B+
Retailer 13
-
$4,695 NZD
SGD 3,576 SGD
View
B+
Retailer 14
-
$4,957 NZD
$2,794 USD
View
B
Retailer 15
-
$5,737 NZD
£2,546 GBP
View
B+
Retailer 16
-
$6,299 NZD
$3,550 USD
View
Most Expensive
B
Brilliant Earth
21421165A · Oct 31
$7,275 NZD
$4,100 USD
View
16 more retailers have this diamond
Prices start from $1,297 NZDSave up to $5,978 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
$1,297 NZD