Cushion|Lab Grown|IGI

1.55ct E FL Cushion Lab Grown Diamond

ID • E/FL • IGI LG795681496

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

Certificate IGI LG795681496

Diamond specifications and retailer prices

From $840 USD
As of October 30, 2026
Save $2,420 USD (74%) vs most expensive(unlock to see where)
6 retailers carry this diamond
Most expensive: $3,260 USD at Brilliant Earth · As of October 30, 2026
View at Brilliant Earth

About this 1.55ct lab-grown cushion diamond

This 1.55ct 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 LG795681496 or 795681496. Listed at 6 retailers as of October 30, 2026, with prices from $840 to $3,260, a $2,420 spread on the same certified stone. Brilliant Earth lists it at $3,260. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.55
Carat
E
Color
FL
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.4°
Pavilion angle35.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG795681496
Dimensions6.61 × 6.59 × 4.27 mm
L/W Ratio1.00
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
6.61 mm6.59 mm1.55 ctE / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG795681496
Side View
Table 60.0%Crown 34.4°Girdle: MED-THKPavilion 35.7°Culet: NoneDepth 64.8%

Caratlytics Score

How it works →
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: Oct 30
Current: $3,260 USD|Low: $840 USD|High: $4,080 USD|Avg: $2,040 USD|-20.1%
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
October 30, 2026
Retailer 3$840 USD
Retailer 4$944 USD
Retailer 6$1,292 USD
Retailer 5$1,456 USD
Retailer 2$2,541 USD
Brilliant Earth$3,260 USD

29 data points across 6 retailers

6 retailers$840 USD to $3,260 USD

A
Cheapest Retailer
-
$840 USD
A
Retailer 2
-
$944 USD
View
A
Retailer 3
-
$1,292 USD
€1,230 EUR
View
A
Retailer 4
-
$1,456 USD
View
B+
Retailer 5
-
$2,541 USD
£2,001 GBP
View
Most Expensive
B
Brilliant Earth
20472137A · Oct 30
$3,260 USD
View
5 more retailers have this diamond
Prices start from $840 USDSave up to $2,420 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
1.55ct Cushion
$840 USD