Cushion|Lab Grown|IGI

1.54ct D VVS1 Cushion Lab Grown Diamond

ID • D/VVS1 • IGI LG804649758

Shape and cutting style on the report: Cushion modified brilliant

Certificate IGI LG804649758

Diamond specifications and retailer prices

From £192 GBP
$258 USD
As of November 1, 2026
Save £661 GBP (77%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: £1,468 GBP at Brilliant Earth · As of October 3, 2026
View at Brilliant Earth

About this 1.54ct lab-grown cushion diamond

This 1.54ct lab-grown cushion sits in the one-and-a-half to two carat band, graded D colour (colourless) and VVS1 clarity (very-very-slightly-included), with a top-tier cut grade and certified by IGI LG804649758 or 804649758. Listed at 17 retailers as of November 1, 2026, with a 344% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.54
Carat
D
Colour
VVS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle32.9°
Pavilion angle38.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG804649758
Dimensions8.49 × 5.67 × 3.83 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
8.49 mm5.67 mm1.54 ctD / VVS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG804649758
Side View
Table 63.0%Crown 32.9°Girdle: MED-STKPavilion 38.1°Culet: NoneDepth 67.5%

Caratlytics Score

How it works →
A+
Exceptional
Excellent quality and great value
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 1
Current: £1,468 GBP|Low: £192 GBP|High: £1,468 GBP|Avg: £584 GBP
Brilliant Earth
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
November 2, 2026
Retailer 5£192 GBP
Retailer 6£213 GBP
Retailer 10£351 GBP
Retailer 14£361 GBP
Retailer 8£368 GBP
Retailer 2£398 GBP
Retailer 12£402 GBP
Retailer 11£497 GBP
Retailer 4£513 GBP
Retailer 13£562 GBP
Retailer 7£689 GBP
Retailer 3£724 GBP
Retailer 15£766 GBP
Retailer 9£854 GBP
Brilliant Earth£1,468 GBP

36 data points across 15 retailers

17 retailers£192 GBP to £854 GBP

A+
Cheapest Retailer
-
£192 GBP
$258 USD
Final sale: no returns
Retailer 2
-
£213 GBP
$286 USD
View
Price last confirmed 8 days ago
A
Retailer 3
-
£351 GBP
€449 EUR
View
A
Retailer 4
-
£361 GBP
$484 USD
View
A
Retailer 5
-
£368 GBP
ZAR 7,974 ZAR
View
A
Retailer 6
-
£398 GBP
View
A
Retailer 7
-
£402 GBP
$539 USD
View
A
Retailer 8
-
£497 GBP
A$1,027 AUD
View
A
Retailer 9
-
£513 GBP
$689 USD
View
B+
Retailer 10
-
£562 GBP
$754 USD
View
B+
Retailer 11
-
£689 GBP
SGD 1,249 SGD
View
B+
Retailer 12
-
£724 GBP
$971 USD
View
B+
Retailer 13
-
£752 GBP
$1,009 USD
View
B+
Retailer 14
-
£766 GBP
$1,028 USD
View
B+
Retailer 15
-
£854 GBP
View
Retailer 16
-
£1,184 GBP
$1,589 USD
View
Price last confirmed 63 days ago
Most Expensive
Brilliant Earth
21420431A · Oct 3
£1,468 GBP
$1,970 USD
View
Price last confirmed 30 days ago
16 more retailers have this diamond
Prices start from £192 GBPSave up to £661 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+
1.54ct Cushion
£192 GBP