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Cushion|Lab Grown|IGI

1.40ct D VVS1 Cushion Lab Grown Diamond

EX • D/VVS1 • IGI LG779658319

Shape and cutting style on the report: Cushion modified brilliant

Certificate IGI LG779658319

Diamond specifications and retailer prices

From $353 AUD
$248 USD
As of October 30, 2026
Save $2,679 AUD (88%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: $3,032 AUD at Do Amore Diamonds · As of October 30, 2026
View at Do Amore 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 LG779658319 or 779658319. Listed at 15 retailers as of October 30, 2026, with prices from $353 to $3,032, a $2,679 spread on the same certified stone. Do Amore Diamonds lists it at $3,032. 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
Colour
VVS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle32.6°
Pavilion angle36.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG779658319
Dimensions7.80 × 5.87 × 3.96 mm
L/W Ratio1.33
Girdle conditionFaceted
Culet sizePointed
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
7.80 mm5.87 mm1.40 ctD / VVS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG779658319
Side View
Table 61.0%Crown 32.6°Girdle: MED-STKPavilion 36.8°Culet: NoneDepth 67.5%

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 30
Current: $3,032 AUD|Low: $353 AUD|High: $3,032 AUD|Avg: $1,300 AUD
Do Amore 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 5$353 AUD
Retailer 7$666 AUD
Retailer 9$742 AUD
Retailer 2$813 AUD
Retailer 4$841 AUD
Retailer 3$853 AUD
Retailer 10$1,053 AUD
Retailer 13$1,112 AUD
Retailer 6$1,632 AUD
Retailer 14$1,689 AUD
Retailer 15$1,692 AUD
Retailer 8$1,730 AUD
Retailer 12$1,739 AUD
Retailer 11$1,908 AUD
Do Amore Diamonds$3,032 AUD

43 data points across 15 retailers

15 retailers$353 AUD to $3,032 AUD

A
Cheapest Retailer
-
$353 AUD
$248 USD
Final sale: no returns
A
Retailer 2
-
$666 AUD
$468 USD
View
A
Retailer 3
-
$742 AUD
ZAR 8,420 ZAR
View
A
Retailer 4
-
$813 AUD
£450 GBP
View
A
Retailer 5
-
$841 AUD
$591 USD
View
A
Retailer 6
-
$853 AUD
$599 USD
View
A
Retailer 7
-
$1,053 AUD
View
B+
Retailer 8
-
$1,112 AUD
$781 USD
View
B
Retailer 9
-
$1,632 AUD
$1,146 USD
View
B
Retailer 10
-
$1,689 AUD
SGD 1,603 SGD
View
B
Retailer 11
-
$1,692 AUD
£936 GBP
View
B+
Retailer 12
-
$1,730 AUD
View
B+
Retailer 13
-
$1,739 AUD
£962 GBP
View
Retailer 14
-
$1,908 AUD
$1,340 USD
View
Price last confirmed 10 days ago
Most Expensive
B
Do Amore Diamonds
27-4BFA064F6 · Oct 30
$3,032 AUD
$2,130 USD
View
14 more retailers have this diamond
Prices start from $353 AUDSave up to $2,679 AUD

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
$353 AUD