Cushion|Lab Grown|IGI

1.40ct D VVS1 Cushion Lab Grown Diamond

VG • D/VVS1 • IGI LG830620145

Shape and cutting style on the report: Cushion modified brilliant

Certificate IGI LG830620145

Diamond specifications and retailer prices

From $259 USD
As of October 30, 2026
Save $1,666 USD (87%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: $1,925 USD at Helzberg Diamonds · As of October 31, 2026
View at Helzberg Diamonds

About this 1.4ct lab-grown cushion diamond

This 1.4ct lab-grown cushion sits in the one-and-a-quarter to one-and-a-half carat band, graded D colour (colourless) and VVS1 clarity (very-very-slightly-included), with a very-good cut grade and certified by IGI LG830620145 or 830620145. Listed at 10 retailers as of October 30, 2026, with prices from $259 to $1,925, a $1,666 spread on the same certified stone. Helzberg Diamonds lists it at $1,925. 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

1.40
Carat
D
Color
VVS1
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.2°
Pavilion angle35.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG830620145
Dimensions8.29 × 5.58 × 3.76 mm
L/W Ratio1.49
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
8.29 mm5.58 mm1.40 ctD / VVS1
OriginLab Grown
CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG830620145
Side View
Table 60.0%Crown 34.2°Girdle: MED-STKPavilion 35.3°Culet: NoneDepth 67.4%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Oct 30
Current: $1,925 USD|Low: $259 USD|High: $1,950 USD|Avg: $831 USD
Helzberg Diamonds
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
October 31, 2026
Retailer 9$259 USD
Retailer 6$328 USD
Retailer 5$486 USD
Retailer 3$534 USD
Retailer 2$540 USD
Retailer 7$758 USD
Retailer 10$936 USD
Retailer 8$973 USD
Retailer 4$1,900 USD
Helzberg Diamonds$1,925 USD

3 data points across 10 retailers

10 retailers$259 USD to $1,925 USD

A
Cheapest Retailer
-
$259 USD
Final sale: no returns
A
Retailer 2
-
$328 USD
£258 GBP
View
A
Retailer 3
-
$486 USD
View
A
Retailer 4
-
$534 USD
View
A
Retailer 5
-
$540 USD
£425 GBP
View
B+
Retailer 6
-
$758 USD
View
B+
Retailer 7
-
$936 USD
SGD 1,265 SGD
View
B+
Retailer 8
-
$973 USD
View
B
Retailer 9
-
$1,900 USD
View
Most Expensive
B
Helzberg Diamonds
ZXZOJGMIGHKL · Oct 31
$1,925 USD
View
9 more retailers have this diamond
Prices start from $259 USDSave up to $1,666 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
1.40ct Cushion
$259 USD