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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 £187 GBP
$248 USD
As of October 28, 2026
Save £1,416 GBP (88%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: £1,603 GBP at Do Amore Diamonds · As of October 28, 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 28, 2026, with prices from £187 to £1,603, a £1,416 spread on the same certified stone. Do Amore Diamonds lists it at £1,603. 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
Dimensions5.87 × 5.87 × 7.80 mm
L/W Ratio1.00
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
5.87 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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Price History

Last verified: Oct 28
Current: £1,603 GBP|Low: £187 GBP|High: £1,603 GBP|Avg: £685 GBP
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 28, 2026
Retailer 4£187 GBP
Retailer 6£352 GBP
Retailer 8£392 GBP
Retailer 2£431 GBP
Retailer 3£445 GBP
Retailer 15£451 GBP
Retailer 9£557 GBP
Retailer 12£588 GBP
Retailer 5£863 GBP
Retailer 13£893 GBP
Retailer 14£895 GBP
Retailer 11£919 GBP
Retailer 7£936 GBP
Retailer 10£1,008 GBP
Do Amore Diamonds£1,603 GBP

41 data points across 15 retailers

15 retailers£187 GBP to £1,603 GBP

A
Cheapest Retailer
-
£187 GBP
$248 USD
Final sale: no returns
A
Retailer 2
-
£352 GBP
$468 USD
View
A
Retailer 3
-
£392 GBP
ZAR 8,420 ZAR
View
A
Retailer 4
-
£431 GBP
View
A
Retailer 5
-
£445 GBP
$591 USD
View
A
Retailer 6
-
£451 GBP
$599 USD
View
A
Retailer 7
-
£557 GBP
A$1,138 AUD
View
B+
Retailer 8
-
£588 GBP
$781 USD
View
B
Retailer 9
-
£863 GBP
$1,146 USD
View
B+
Retailer 10
-
£893 GBP
SGD 1,603 SGD
View
B+
Retailer 11
-
£895 GBP
View
B+
Retailer 12
-
£919 GBP
View
B
Retailer 13
-
£936 GBP
A$1,914 AUD
View
Price last confirmed 24 days ago
B+
Retailer 14
-
£1,008 GBP
$1,340 USD
View
Price last confirmed 8 days ago
Most Expensive
B
Do Amore Diamonds
27-4BFA064F6 · Oct 28
£1,603 GBP
$2,130 USD
View
14 more retailers have this diamond
Prices start from £187 GBPSave up to £1,416 GBP

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
£187 GBP