Cushion|Lab Grown|IGI

1.45ct D FL Cushion Lab Grown Diamond

ID • D/FL • IGI LG836612116

Shape and cutting style on the report: Cushion modified brilliant

Certificate IGI LG836612116

Diamond specifications and retailer prices

From $542 USD
As of October 30, 2026
Save $2,418 USD (82%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: $2,960 USD at Brilliant Earth · As of October 30, 2026
View at Brilliant Earth

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 LG836612116 or 836612116. Listed at 17 retailers as of October 30, 2026, with prices from $542 to $2,960, a $2,418 spread on the same certified stone. Brilliant Earth lists it at $2,960. 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 angle34.7°
Pavilion angle36.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG836612116
Dimensions7.92 × 5.68 × 3.84 mm
L/W Ratio1.39
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
7.92 mm5.68 mm1.45 ctD / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG836612116
Side View
Table 62.0%Crown 34.7°Girdle: MED-THKPavilion 36.9°Culet: NoneDepth 67.6%

Caratlytics Score

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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: $2,960 USD|Low: $542 USD|High: $3,650 USD|Avg: $1,632 USD|-18.9%
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
Retailer 17
October 30, 2026
Retailer 17$542 USD
Retailer 2$596 USD
Retailer 9$659 USD
Retailer 13$875 USD
Retailer 3$904 USD
Retailer 10$957 USD
Retailer 11$969 USD
Retailer 12$993 USD
Retailer 15$1,135 USD
Retailer 4$1,343 USD
Retailer 16$1,887 USD
Retailer 7$1,920 USD
Retailer 5$2,000 USD
Retailer 14$2,125 USD
Retailer 6$2,220 USD
Retailer 8$2,825 USD
Brilliant Earth$2,960 USD

27 data points across 17 retailers

17 retailers$542 USD to $2,960 USD

A
Cheapest Retailer
-
$542 USD
Final sale: no returns
A
Retailer 2
-
$596 USD
£470 GBP
View
Retailer 3
-
$659 USD
View
Price last confirmed 14 days ago
A
Retailer 4
-
$875 USD
View
A
Retailer 5
-
$904 USD
View
A
Retailer 6
-
$957 USD
£754 GBP
View
A
Retailer 7
-
$969 USD
€923 EUR
View
A
Retailer 8
-
$993 USD
ZAR 16,034 ZAR
View
A
Retailer 9
-
$1,135 USD
View
B+
Retailer 10
-
$1,343 USD
View
B+
Retailer 11
-
$1,887 USD
View
Retailer 12
-
$1,920 USD
£1,512 GBP
View
Price last confirmed 8 days ago
B+
Retailer 13
-
$2,000 USD
SGD 2,703 SGD
View
B+
Retailer 14
-
$2,125 USD
£1,673 GBP
View
Retailer 15
-
$2,220 USD
View
Price last confirmed 9 days ago
B
Retailer 16
-
$2,825 USD
View
Most Expensive
B
Brilliant Earth
21612373A · Oct 30
$2,960 USD
View
16 more retailers have this diamond
Prices start from $542 USDSave up to $2,418 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
$542 USD