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Cushion|Lab Grown|IGI

1.37ct D FL Cushion Lab Grown Diamond

VG • D/FL • IGI LG840635023

Shape and cutting style on the report: Cushion modified brilliant

Certificate IGI LG840635023

Diamond specifications and retailer prices

From $512 USD
As of October 30, 2026
Save $2,082 USD (80%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: $2,594 USD at Helzberg Diamonds · As of October 30, 2026
View at Helzberg Diamonds

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 very-good cut grade and certified by IGI LG840635023 or 840635023. Listed at 16 retailers as of October 30, 2026, with prices from $512 to $2,594, a $2,082 spread on the same certified stone. Helzberg Diamonds lists it at $2,594. Cut grade matters more than carat or clarity for visible brilliance. If you can shift budget toward an Excellent or Ideal cut, do it before chasing higher colour or clarity.

The 4Cs

1.37
Carat
D
Color
FL
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.2°
Pavilion angle37.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG840635023
Dimensions8.38 × 5.51 × 3.77 mm
L/W Ratio1.52
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
8.38 mm5.51 mm1.37 ctD / FL
OriginLab Grown
CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG840635023
Side View
Table 61.0%Crown 35.2°Girdle: MED-THKPavilion 37.2°Culet: NoneDepth 68.4%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Oct 30
Current: $2,594 USD|Low: $512 USD|High: $2,990 USD|Avg: $1,368 USD
Helzberg Diamonds
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
October 31, 2026
Retailer 4$512 USD
Retailer 9$565 USD
Retailer 5$780 USD
Retailer 14$830 USD
Retailer 6$859 USD
Retailer 10$905 USD
Retailer 11$920 USD
Retailer 13$941 USD
Retailer 15$1,024 USD
Retailer 2$1,326 USD
Retailer 3$1,793 USD
Retailer 7$1,896 USD
Retailer 12$2,022 USD
Retailer 8$2,560 USD
Helzberg Diamonds$2,594 USD

16 data points across 15 retailers

16 retailers$512 USD to $2,594 USD

A
Cheapest Retailer
-
$512 USD
Final sale: no returns
A
Retailer 2
-
$565 USD
£445 GBP
View
A
Retailer 3
-
$780 USD
View
A
Retailer 4
-
$830 USD
View
A
Retailer 5
-
$859 USD
View
A
Retailer 6
-
$905 USD
£713 GBP
View
A
Retailer 7
-
$920 USD
€876 EUR
View
A
Retailer 8
-
$941 USD
ZAR 15,202 ZAR
View
A
Retailer 9
-
$1,024 USD
View
B+
Retailer 10
-
$1,326 USD
View
B+
Retailer 11
-
$1,793 USD
View
B
Retailer 12
-
$1,896 USD
SGD 2,562 SGD
View
B
Retailer 13
-
$2,022 USD
£1,592 GBP
View
Retailer 14
-
$2,035 USD
View
Price last confirmed 9 days ago
B
Retailer 15
-
$2,560 USD
View
Most Expensive
B
Helzberg Diamonds
ZXZOKGMJLGIJ · Oct 30
$2,594 USD
View
15 more retailers have this diamond
Prices start from $512 USDSave up to $2,082 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
$512 USD