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 $709 USD
As of October 30, 2026
Save $2,991 USD (81%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: $3,700 USD 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 $709 to $3,700, a $2,991 spread on the same certified stone. Brilliant Earth lists it at $3,700. 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
Color
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: $3,700 USD|Low: $709 USD|High: $5,470 USD|Avg: $2,238 USD|-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 30, 2026
Retailer 16$709 USD
Retailer 8$781 USD
Retailer 12$890 USD
Retailer 13$1,182 USD
Retailer 2$1,209 USD
Retailer 9$1,247 USD
Retailer 11$1,326 USD
Retailer 14$1,548 USD
Retailer 5$1,676 USD
Retailer 3$2,240 USD
Retailer 4$2,368 USD
Retailer 15$2,493 USD
Retailer 6$2,571 USD
Retailer 10$3,057 USD
Retailer 7$3,555 USD
Brilliant Earth$3,700 USD

31 data points across 16 retailers

16 retailers$709 USD to $3,700 USD

A
Cheapest Retailer
-
$709 USD
Final sale: no returns
Retailer 2
-
$781 USD
View
Price last confirmed 14 days ago
A
Retailer 3
-
$890 USD
View
A
Retailer 4
-
$1,182 USD
View
A
Retailer 5
-
$1,209 USD
£952 GBP
View
A
Retailer 6
-
$1,247 USD
€1,188 EUR
View
A
Retailer 7
-
$1,326 USD
ZAR 21,426 ZAR
View
A
Retailer 8
-
$1,548 USD
View
A
Retailer 9
-
$1,676 USD
View
B+
Retailer 10
-
$2,240 USD
£1,764 GBP
View
B+
Retailer 11
-
$2,368 USD
View
B+
Retailer 12
-
$2,493 USD
View
B+
Retailer 13
-
$2,571 USD
SGD 3,474 SGD
View
B+
Retailer 14
-
$3,057 USD
£2,407 GBP
View
B
Retailer 15
-
$3,555 USD
View
Most Expensive
B
Brilliant Earth
21434285A · Oct 30
$3,700 USD
View
15 more retailers have this diamond
Prices start from $709 USDSave up to $2,991 USD

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
$709 USD