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Cushion|Lab Grown|IGI

1.40ct D VVS1 Cushion Lab Grown Diamond

ID • D/VVS1 • IGI LG843667684

Shape and cutting style on the report: Cushion modified brilliant

Certificate IGI LG843667684

Diamond specifications and retailer prices

From £283 GBP
As of October 30, 2026
Save £1,449 GBP (84%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: £1,731 GBP at Do Amore Diamonds · As of October 29, 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 LG843667684 or 843667684. Listed at 14 retailers as of October 29, 2026, with prices from £283 to £1,731, a £1,449 spread on the same certified stone. Do Amore Diamonds lists it at £1,731. 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
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle30.9°
Pavilion angle32.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG843667684
Dimensions8.30 × 5.53 × 3.76 mm
L/W Ratio1.50
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
8.30 mm5.53 mm1.40 ctD / VVS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG843667684
Side View
Table 61.0%Crown 30.9°Girdle: STK-THKPavilion 32.9°Culet: NoneDepth 68.0%

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: £1,731 GBP|Low: £282 GBP|High: £2,963 GBP|Avg: £982 GBP|-41.6%
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
October 30, 2026
Retailer 7£283 GBP
Retailer 14£340 GBP
Retailer 3£378 GBP
Retailer 9£393 GBP
Retailer 12£452 GBP
Retailer 5£519 GBP
Retailer 11£602 GBP
Retailer 4£731 GBP
Retailer 8£918 GBP
Retailer 10£996 GBP
Retailer 13£1,185 GBP
Retailer 2£1,411 GBP
Retailer 6£1,696 GBP
Do Amore Diamonds£1,731 GBP

13 data points across 14 retailers

14 retailers£283 GBP to £1,731 GBP

A
Cheapest Retailer
-
£283 GBP
A
Retailer 2
-
£340 GBP
$456 USD
View
A
Retailer 3
-
£378 GBP
$506 USD
View
A
Retailer 4
-
£393 GBP
€502 EUR
View
A
Retailer 5
-
£452 GBP
$606 USD
View
Retailer 6
-
£519 GBP
$695 USD
View
Price last confirmed 11 days ago
B+
Retailer 7
-
£602 GBP
A$1,240 AUD
View
B+
Retailer 8
-
£731 GBP
$979 USD
View
B
Retailer 9
-
£918 GBP
A$1,892 AUD
View
B
Retailer 10
-
£996 GBP
View
Retailer 11
-
£1,004 GBP
$1,345 USD
View
Price last confirmed 9 days ago
B
Retailer 12
-
£1,185 GBP
$1,588 USD
View
B
Retailer 13
-
£1,411 GBP
$1,890 USD
View
Most Expensive
B
Do Amore Diamonds
27-CA6E53354 · Oct 29
£1,731 GBP
$2,320 USD
View
13 more retailers have this diamond
Prices start from £283 GBPSave up to £1,449 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
£283 GBP