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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 €232 EUR
$259 USD
As of November 1, 2026
Save €1,491 EUR (87%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: €1,723 EUR at Helzberg Diamonds · As of November 1, 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 13 retailers as of November 1, 2026, with prices from €232 to €1,723, a €1,491 spread on the same certified stone. Helzberg Diamonds lists it at €1,723. 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
Colour
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

How it works →
A
Excellent
Excellent quality and great value
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 1
Current: €1,723 EUR|Low: €232 EUR|High: €1,745 EUR|Avg: €755 EUR
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
November 1, 2026
Retailer 4€232 EUR
Retailer 7€292 EUR
Retailer 9€422 EUR
Retailer 12€435 EUR
Retailer 10€478 EUR
Retailer 8€479 EUR
Retailer 13€678 EUR
Retailer 5€838 EUR
Retailer 3€871 EUR
Retailer 6€1,028 EUR
Retailer 2€1,262 EUR
Retailer 11€1,701 EUR
Helzberg Diamonds€1,723 EUR

4 data points across 13 retailers

13 retailers€232 EUR to €1,723 EUR

A
Cheapest Retailer
-
€232 EUR
$259 USD
Final sale: no returns
A
Retailer 2
-
€292 EUR
£257 GBP
View
A
Retailer 3
-
€422 EUR
View
A
Retailer 4
-
€435 EUR
$486 USD
View
A
Retailer 5
-
€478 EUR
$534 USD
View
A
Retailer 6
-
€479 EUR
£421 GBP
View
B+
Retailer 7
-
€678 EUR
$758 USD
View
B+
Retailer 8
-
€838 EUR
SGD 1,265 SGD
View
B+
Retailer 9
-
€871 EUR
$973 USD
View
B
Retailer 10
-
€1,028 EUR
£904 GBP
View
B
Retailer 11
-
€1,262 EUR
$1,410 USD
View
B
Retailer 12
-
€1,701 EUR
$1,900 USD
View
Most Expensive
B
Helzberg Diamonds
ZXZOJGMIGHKL · Nov 1
€1,723 EUR
$1,925 USD
View
12 more retailers have this diamond
Prices start from €232 EURSave up to €1,491 EUR

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
€232 EUR