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Cushion|Lab Grown|IGI

1.83ct E FL Cushion Lab Grown Diamond

ID • E/FL • IGI LG825665174

Shape and cutting style on the report: Cushion modified brilliant

Certificate IGI LG825665174

Diamond specifications and retailer prices

From $1,258 NZD
$709 USD
As of October 30, 2026
Save $5,307 NZD (81%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: $6,565 NZD at Brilliant Earth · As of October 30, 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 E colour (colourless) and FL clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG825665174 or 825665174. Listed at 16 retailers as of October 30, 2026, with prices from $1,258 to $6,565, a $5,307 spread on the same certified stone. Brilliant Earth lists it at $6,565. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.83
Carat
E
Colour
FL
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.4°
Pavilion angle38.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG825665174
Dimensions9.06 × 5.84 × 4.14 mm
L/W Ratio1.55
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
9.06 mm5.84 mm1.83 ctE / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG825665174
Side View
Table 60.0%Crown 35.4°Girdle: MED-THKPavilion 38.6°Culet: NoneDepth 70.9%

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: Oct 30
Current: $6,565 NZD|Low: $1,258 NZD|High: $9,705 NZD|Avg: $3,952 NZD|-32.4%
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
October 31, 2026
Retailer 16$1,258 NZD
Retailer 8$1,386 NZD
Retailer 12$1,579 NZD
Retailer 13$2,097 NZD
Retailer 2$2,145 NZD
Retailer 9$2,213 NZD
Retailer 11$2,353 NZD
Retailer 14$2,747 NZD
Retailer 5$2,974 NZD
Retailer 3$3,975 NZD
Retailer 4$4,202 NZD
Retailer 15$4,423 NZD
Retailer 6$4,561 NZD
Retailer 10$5,424 NZD
Retailer 7$6,308 NZD
Brilliant Earth$6,565 NZD

32 data points across 16 retailers

16 retailers$1,258 NZD to $6,565 NZD

A
Cheapest Retailer
-
$1,258 NZD
$709 USD
Final sale: no returns
Retailer 2
-
$1,386 NZD
$781 USD
View
Price last confirmed 15 days ago
A
Retailer 3
-
$1,579 NZD
$890 USD
View
A
Retailer 4
-
$2,097 NZD
$1,182 USD
View
A
Retailer 5
-
$2,145 NZD
£952 GBP
View
A
Retailer 6
-
$2,213 NZD
€1,188 EUR
View
A
Retailer 7
-
$2,353 NZD
ZAR 21,426 ZAR
View
A
Retailer 8
-
$2,747 NZD
$1,548 USD
View
A
Retailer 9
-
$2,974 NZD
$1,676 USD
View
B+
Retailer 10
-
$3,975 NZD
£1,764 GBP
View
B+
Retailer 11
-
$4,202 NZD
$2,368 USD
View
B+
Retailer 12
-
$4,423 NZD
$2,493 USD
View
B+
Retailer 13
-
$4,561 NZD
SGD 3,474 SGD
View
B+
Retailer 14
-
$5,424 NZD
£2,407 GBP
View
B
Retailer 15
-
$6,308 NZD
$3,555 USD
View
Most Expensive
B
Brilliant Earth
21434285A · Oct 30
$6,565 NZD
$3,700 USD
View
15 more retailers have this diamond
Prices start from $1,258 NZDSave up to $5,307 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
$1,258 NZD