Cushion|Lab Grown|IGI

1.37ct D FL Cushion Lab Grown Diamond

EX • D/FL • IGI LG845672257

Shape and cutting style on the report: Cushion modified brilliant

Certificate IGI LG845672257

Diamond specifications and retailer prices

From $629 USD
£495 GBP
As of October 27, 2026
Save $2,611 USD (81%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: $3,240 USD at Brilliant Earth · As of October 28, 2026
View at Brilliant Earth

About this 1.37ct lab-grown cushion diamond

This 1.37ct 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 LG845672257 or 845672257. Listed at 16 retailers as of October 27, 2026, with prices from $629 to $3,240, a $2,611 spread on the same certified stone. Brilliant Earth lists it at $3,240. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.37
Carat
D
Color
FL
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.5°
Pavilion angle36.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG845672257
Dimensions7.53 × 5.96 × 3.93 mm
L/W Ratio1.26
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
7.53 mm5.96 mm1.37 ctD / FL
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG845672257
Side View
Table 63.0%Crown 35.5°Girdle: MED-STKPavilion 36.1°Culet: NoneDepth 65.9%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Oct 27
Current: $730 USD|Low: $627 USD|High: $2,834 USD|Avg: $1,419 USD|-2.7%
Retailer 1
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 28, 2026
Retailer 4$627 USD
Retailer 9$629 USD
Retailer 1$730 USD
Retailer 11$888 USD
Retailer 15$972 USD
Retailer 7$982 USD
Retailer 10$1,007 USD
Retailer 13$1,038 USD
Retailer 3$1,040 USD
Retailer 8$1,350 USD
Retailer 5$1,986 USD
Retailer 2$2,043 USD
Retailer 16$2,123 USD
Retailer 14$2,265 USD
Retailer 12$2,546 USD
Retailer 6$2,834 USD

7 data points across 16 retailers

16 retailers$629 USD to $3,240 USD

A
Cheapest Retailer
-
$629 USD
£495 GBP
A
Retailer 2
-
$730 USD
View
A
Retailer 3
-
$888 USD
€846 EUR
View
A
Retailer 4
-
$972 USD
View
A
Retailer 5
-
$982 USD
View
A
Retailer 6
-
$1,007 USD
£793 GBP
View
Retailer 7
-
$1,038 USD
ZAR 16,764 ZAR
View
Price last confirmed 7 days ago
A
Retailer 8
-
$1,040 USD
View
B+
Retailer 9
-
$1,350 USD
View
B
Retailer 10
-
$1,986 USD
View
B
Retailer 11
-
$2,043 USD
CA$2,838 CAD
View
B
Retailer 12
-
$2,123 USD
View
B
Retailer 13
-
$2,265 USD
View
B
Retailer 14
-
$2,546 USD
£2,005 GBP
View
B
Retailer 15
-
$2,834 USD
View
Most Expensive
B
Brilliant Earth
22270086A · Oct 28
$3,240 USD
View
15 more retailers have this diamond
Prices start from $629 USDSave up to $2,611 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
1.37ct Cushion
$629 USD