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Cushion|Lab Grown|IGI

1.83ct D FL Cushion Lab Grown Diamond

ID • D/FL • IGI LG846662376

Shape and cutting style on the report: Cushion modified brilliant

Certificate IGI LG846662376

Diamond specifications and retailer prices

From $1,370 NZD
£608 GBP
As of November 1, 2026
Save $6,898 NZD (83%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: $8,268 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 LG846662376 or 846662376. Listed at 10 retailers as of October 31, 2026, with prices from $1,370 to $8,268, a $6,898 spread on the same certified stone. Brilliant Earth lists it at $8,268. 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 angle34.4°
Pavilion angle36.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG846662376
Dimensions8.93 × 6.27 × 4.06 mm
L/W Ratio1.42
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
8.93 mm6.27 mm1.83 ctD / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG846662376
Side View
Table 62.0%Crown 34.4°Girdle: MED-THKPavilion 36.8°Culet: NoneDepth 64.8%

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: $8,268 NZD|Low: $1,370 NZD|High: $13,953 NZD|Avg: $5,210 NZD|-20.7%
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
November 1, 2026
Retailer 4$1,370 NZD
Retailer 3$1,991 NZD
Retailer 10$2,165 NZD
Retailer 5$2,786 NZD
Retailer 7$3,622 NZD
Retailer 6$4,411 NZD
Retailer 8$4,853 NZD
Retailer 2$6,290 NZD
Retailer 9$6,564 NZD
Brilliant Earth$8,268 NZD

14 data points across 10 retailers

10 retailers$1,370 NZD to $8,268 NZD

A
Cheapest Retailer
-
$1,370 NZD
£608 GBP
A
Retailer 2
-
$1,991 NZD
$1,122 USD
View
A
Retailer 3
-
$2,165 NZD
$1,220 USD
View
A
Retailer 4
-
$2,786 NZD
$1,570 USD
View
B+
Retailer 5
-
$3,622 NZD
€1,944 EUR
View
B+
Retailer 6
-
$4,411 NZD
$2,486 USD
View
B+
Retailer 7
-
$4,853 NZD
$2,735 USD
View
B
Retailer 8
-
$6,290 NZD
$3,545 USD
View
B+
Retailer 9
-
$6,564 NZD
£2,913 GBP
View
Most Expensive
B
Brilliant Earth
22154883A · Oct 31
$8,268 NZD
$4,660 USD
View
9 more retailers have this diamond
Prices start from $1,370 NZDSave up to $6,898 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
$1,370 NZD