Cushion|Lab Grown|IGI

1.40ct D VVS1 Cushion Lab Grown Diamond

ID • D/VVS1 • IGI LG803634978

Shape and cutting style on the report: Cushion modified brilliant

Certificate IGI LG803634978

Diamond specifications and retailer prices

From $284 USD
As of October 28, 2026
Save $1,082 USD (79%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: $1,366 USD at Reve Diamonds · As of October 28, 2026
View at Reve 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 top-tier cut grade and certified by IGI LG803634978 or 803634978. Listed at 14 retailers as of October 28, 2026, with prices from $284 to $1,366, a $1,082 spread on the same certified stone. Reve Diamonds lists it at $1,366. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.40
Carat
D
Color
VVS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle38.9°
Pavilion angle40.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG803634978
Dimensions7.63 × 5.58 × 3.84 mm
L/W Ratio1.37
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
7.63 mm5.58 mm1.40 ctD / VVS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG803634978
Side View
Table 67.0%Crown 38.9°Girdle: MED-STKPavilion 40.5°Culet: NoneDepth 68.8%

Caratlytics Score

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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: Oct 28
Current: $1,270 USD|Low: $284 USD|High: $1,366 USD|Avg: $736 USD|+0.5%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Reve Diamonds
October 29, 2026
Retailer 9$284 USD
Retailer 3$362 USD
Retailer 7$425 USD
Retailer 8$425 USD
Retailer 6$542 USD
Retailer 4$597 USD
Retailer 10$649 USD
Retailer 5$767 USD
Retailer 2$1,234 USD
Retailer 1$1,270 USD
Reve Diamonds$1,366 USD

41 data points across 11 retailers

14 retailers$284 USD to $1,366 USD

A
Cheapest Retailer
-
$284 USD
Final sale: no returns
A
Retailer 2
-
$362 USD
£285 GBP
View
A
Retailer 3
-
$425 USD
View
A
Retailer 4
-
$425 USD
View
A
Retailer 5
-
$542 USD
ZAR 8,748 ZAR
View
A
Retailer 6
-
$597 USD
£470 GBP
View
A
Retailer 7
-
$649 USD
View
B+
Retailer 8
-
$766 USD
View
B+
Retailer 9
-
$767 USD
A$1,180 AUD
View
B+
Retailer 10
-
$1,018 USD
SGD 1,375 SGD
View
B+
Retailer 11
-
$1,065 USD
View
B
Retailer 12
-
$1,234 USD
£972 GBP
View
B
Retailer 13
-
$1,270 USD
£1,000 GBP
View
Most Expensive
B
Reve Diamonds
F82EB9D2F · Oct 28
$1,366 USD
View
13 more retailers have this diamond
Prices start from $284 USDSave up to $1,082 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
1.40ct Cushion
$284 USD