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Cushion|Lab Grown|IGI

0.40ct D IF Cushion Lab Grown Diamond

VG • D/IF • IGI LG799697349

Shape and cutting style on the report: Cushion modified brilliant

Certificate IGI LG799697349

Diamond specifications and retailer prices

From $218 USD
As of November 1, 2026
Save $849 USD (80%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: $1,067 USD at MOH London · As of November 1, 2026
View at MOH London

About this 0.4ct lab-grown cushion diamond

This 0.4ct lab-grown cushion sits in the sub-half-carat band, graded D colour (colourless) and IF clarity (flawless or internally-flawless), with a very-good cut grade and certified by IGI LG799697349 or 799697349. Listed at 16 retailers as of November 1, 2026, with prices from $218 to $1,067, a $849 spread on the same certified stone. MOH London lists it at $1,067. 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

0.40
Carat
D
Color
IF
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishVery Good
SymmetryVery Good
FluorescenceNone
Crown angle36.9°
Pavilion angle36.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG799697349
Dimensions4.91 × 3.87 × 2.62 mm
L/W Ratio1.27
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
4.91 mm3.87 mm0.40 ctD / IF
OriginLab Grown
CutVery Good
PolishVery Good
SymmetryVery Good
FluorescenceNone
CertificateIGI LG799697349
Side View
Table 67.0%Crown 36.9°Girdle: STK-THKPavilion 36.3°Culet: NoneDepth 67.7%

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 1
Current: $1,067 USD|Low: $218 USD|High: $1,080 USD|Avg: $514 USD|-0.1%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
November 1, 2026
Retailer 3$218 USD
Retailer 12$241 USD
Retailer 4$320 USD
Retailer 9$360 USD
Retailer 7$432 USD
Retailer 6$480 USD
Retailer 2$484 USD
Retailer 5$493 USD
Retailer 8$552 USD
Retailer 10$748 USD
Retailer 11$883 USD
MOH London$1,067 USD

46 data points across 12 retailers

16 retailers$218 USD to $1,067 USD

A
Cheapest Retailer
-
$218 USD
Final sale: no returns
A
Retailer 2
-
$228 USD
View
Retailer 3
-
$241 USD
View
Price last confirmed 7 days ago
A
Retailer 4
-
$320 USD
View
A
Retailer 5
-
$360 USD
View
A
Retailer 6
-
$432 USD
€411 EUR
View
B+
Retailer 7
-
$480 USD
View
B+
Retailer 8
-
$484 USD
ZAR 7,813 ZAR
View
B+
Retailer 9
-
$493 USD
£388 GBP
View
B+
Retailer 10
-
$544 USD
View
B+
Retailer 11
-
$552 USD
£435 GBP
View
B
Retailer 12
-
$748 USD
CA$1,039 CAD
View
B
Retailer 13
-
$883 USD
View
B
Retailer 14
-
$1,028 USD
View
B
Retailer 15
-
$1,028 USD
View
Most Expensive
B
MOH London
LG799697349 · Nov 1
$1,067 USD
£840 GBP
View
15 more retailers have this diamond
Prices start from $218 USDSave up to $849 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
0.40ct Cushion
$218 USD