Cushion|Lab Grown|IGI

1.55ct D FL Cushion Lab Grown Diamond

ID • D/FL • IGI LG846662367

Shape and cutting style on the report: Cushion modified brilliant

Certificate IGI LG846662367

Diamond specifications and retailer prices

From $675 USD
£531 GBP
As of October 30, 2026
Save $3,645 USD (84%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: $4,320 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 D colour (colourless) and FL clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG846662367 or 846662367. Listed at 10 retailers as of October 30, 2026, with prices from $675 to $4,320, a $3,645 spread on the same certified stone. Brilliant Earth lists it at $4,320. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.55
Carat
D
Color
FL
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle29.3°
Pavilion angle35.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG846662367
Dimensions9.06 × 5.72 × 3.72 mm
L/W Ratio1.58
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 mm5.72 mm1.55 ctD / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG846662367
Side View
Table 60.0%Crown 29.3°Girdle: STK-VTKPavilion 35.2°Culet: NoneDepth 65.0%

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: $4,320 USD|Low: $675 USD|High: $4,320 USD|Avg: $1,928 USD
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
October 31, 2026
Retailer 7$675 USD
Retailer 5$769 USD
Retailer 6$986 USD
Retailer 9$1,035 USD
Retailer 2$1,166 USD
Retailer 3$1,736 USD
Retailer 4$2,124 USD
Retailer 10$2,755 USD
Retailer 8$3,482 USD
Brilliant Earth$4,320 USD

14 data points across 10 retailers

10 retailers$675 USD to $4,320 USD

A
Cheapest Retailer
-
$675 USD
£531 GBP
A
Retailer 2
-
$769 USD
View
A
Retailer 3
-
$986 USD
View
A
Retailer 4
-
$1,035 USD
View
A
Retailer 5
-
$1,166 USD
View
B+
Retailer 6
-
$1,736 USD
€1,653 EUR
View
B+
Retailer 7
-
$2,124 USD
View
Retailer 8
-
$2,755 USD
View
Price last confirmed 10 days ago
B
Retailer 9
-
$3,482 USD
£2,742 GBP
View
Most Expensive
B
Brilliant Earth
22155278A · Oct 30
$4,320 USD
View
9 more retailers have this diamond
Prices start from $675 USDSave up to $3,645 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
$675 USD