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Cushion|Lab Grown|IGI

1.43ct D VVS1 Cushion Lab Grown Diamond

ID • D/VVS1 • IGI LG799647459

Shape and cutting style on the report: Cushion modified brilliant

Certificate IGI LG799647459

Diamond specifications and retailer prices

From £178 GBP
$239 USD
As of October 30, 2026
Save £1,083 GBP (86%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: £1,261 GBP at Brilliant Earth · As of October 30, 2026
View at Brilliant Earth

About this 1.43ct lab-grown cushion diamond

This 1.43ct 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 LG799647459 or 799647459. Listed at 17 retailers as of October 30, 2026, with prices from £178 to £1,261, a £1,083 spread on the same certified stone. Brilliant Earth lists it at £1,261. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.43
Carat
D
Colour
VVS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.4°
Pavilion angle37.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG799647459
Dimensions8.35 × 5.61 × 3.77 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
8.35 mm5.61 mm1.43 ctD / VVS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG799647459
Side View
Table 61.0%Crown 33.4°Girdle: THN-MEDPavilion 37.6°Culet: NoneDepth 67.2%

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: £1,261 GBP|Low: £178 GBP|High: £1,403 GBP|Avg: £574 GBP|-10.1%
Brilliant Earth
Retailer 2
Retailer 3
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Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
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Retailer 17
October 31, 2026
Retailer 7£178 GBP
Retailer 8£198 GBP
Retailer 11£227 GBP
Retailer 2£328 GBP
Retailer 6£340 GBP
Retailer 14£340 GBP
Retailer 10£367 GBP
Retailer 16£386 GBP
Retailer 15£484 GBP
Retailer 17£511 GBP
Retailer 3£583 GBP
Retailer 13£655 GBP
Retailer 4£676 GBP
Retailer 5£773 GBP
Retailer 12£798 GBP
Retailer 9£1,064 GBP
Brilliant Earth£1,261 GBP

27 data points across 17 retailers

17 retailers£178 GBP to £1,261 GBP

A
Cheapest Retailer
-
£178 GBP
$239 USD
Final sale: no returns
A
Retailer 2
-
£198 GBP
$265 USD
View
A
Retailer 3
-
£227 GBP
View
A
Retailer 4
-
£328 GBP
€419 EUR
View
A
Retailer 5
-
£340 GBP
$455 USD
View
A
Retailer 6
-
£340 GBP
ZAR 7,361 ZAR
View
A
Retailer 7
-
£367 GBP
View
A
Retailer 8
-
£386 GBP
$517 USD
View
A
Retailer 9
-
£484 GBP
A$997 AUD
View
A
Retailer 10
-
£511 GBP
$685 USD
View
B+
Retailer 11
-
£583 GBP
$781 USD
View
B+
Retailer 12
-
£655 GBP
SGD 1,186 SGD
View
B+
Retailer 13
-
£676 GBP
$906 USD
View
B+
Retailer 14
-
£773 GBP
View
B+
Retailer 15
-
£798 GBP
View
Retailer 16
-
£1,064 GBP
$1,425 USD
View
Price last confirmed 10 days ago
Most Expensive
B
Brilliant Earth
21421035A · Oct 30
£1,261 GBP
$1,690 USD
View
16 more retailers have this diamond
Prices start from £178 GBPSave up to £1,083 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
1.43ct Cushion
£178 GBP