Cushion|Lab Grown|IGI

1.45ct D FL Cushion Lab Grown Diamond

ID • D/FL • IGI LG818681448

Shape and cutting style on the report: Cushion modified brilliant

Certificate IGI LG818681448

Diamond specifications and retailer prices

From $770 USD
As of November 5, 2026
Save $2,940 USD (79%) vs most expensive(unlock to see where)
8 retailers carry this diamond
Most expensive: $3,710 USD at Do Amore Diamonds · As of November 4, 2026
View at Do Amore Diamonds

About this 1.45ct lab-grown cushion diamond

This 1.45ct lab-grown cushion sits in the one-and-a-quarter to one-and-a-half carat band, graded D colour (colourless) and FL clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG818681448 or 818681448. Listed at 8 retailers as of November 4, 2026, with prices from $770 to $3,710, a $2,940 spread on the same certified stone. Do Amore Diamonds lists it at $3,710. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.45
Carat
D
Color
FL
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.2°
Pavilion angle36.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG818681448
Dimensions7.93 × 6.13 × 3.88 mm
L/W Ratio1.29
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
7.93 mm6.13 mm1.45 ctD / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG818681448
Side View
Table 54.0%Crown 33.2°Girdle: MED-STKPavilion 36.8°Culet: NoneDepth 63.3%

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: Nov 5
Current: $3,710 USD|Low: $690 USD|High: $4,290 USD|Avg: $1,991 USD|-6.8%
Do Amore Diamonds
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
November 5, 2026
Retailer 7$770 USD
Retailer 5$819 USD
Retailer 8$891 USD
Retailer 3$920 USD
Retailer 9$2,044 USD
Retailer 2$2,096 USD
Retailer 6$2,195 USD
Retailer 4$3,010 USD
Do Amore Diamonds$3,710 USD

27 data points across 9 retailers

8 retailers$770 USD to $3,710 USD

A
Cheapest Retailer
-
$770 USD
A
Retailer 2
-
$819 USD
View
A
Retailer 3
-
$891 USD
View
A
Retailer 4
-
$920 USD
View
B+
Retailer 5
-
$2,096 USD
View
B
Retailer 6
-
$2,195 USD
View
B
Retailer 7
-
$3,010 USD
View
Most Expensive
B
Do Amore Diamonds
27-A537BD4D2 · Nov 4
$3,710 USD
View
7 more retailers have this diamond
Prices start from $770 USDSave up to $2,940 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
1.45ct Cushion
$770 USD