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Cushion|Lab Grown|IGI

1.54ct D VVS1 Cushion Lab Grown Diamond

ID • D/VVS1 • IGI LG726505150

Shape and cutting style on the report: Square cushion modified brilliant

Certificate IGI LG726505150

Diamond specifications and retailer prices

From £192 GBP
$257 USD
As of November 1, 2026
Save £1,557 GBP (89%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: £2,195 GBP at Rare Carat · As of October 21, 2026
View at Rare Carat

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 LG726505150 or 726505150. Listed at 13 retailers as of November 1, 2026, with a 813% 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 angle33.2°
Pavilion angle34°
OriginLab Grown
Grading LabIGI
CertificateIGI LG726505150
Dimensions10.37 × 7.13 × 4.39 mm
L/W Ratio1.45
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
10.37 mm7.13 mm1.54 ctD / VVS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG726505150
Side View
Table 63.0%Crown 33.2°Girdle: MED-THKPavilion 34°Culet: NoneDepth 63.1%

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: £1,122 GBP|Low: £173 GBP|High: £1,759 GBP|Avg: £770 GBP|-2.0%
Rare Carat
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
November 2, 2026
Retailer 3£192 GBP
Retailer 6£262 GBP
Retailer 7£289 GBP
Retailer 9£379 GBP
Retailer 5£387 GBP
Retailer 11£401 GBP
Retailer 2£597 GBP
Retailer 13£838 GBP
Retailer 10£944 GBP
Rare Carat£1,122 GBP
Retailer 4£1,416 GBP
Retailer 12£1,639 GBP
Retailer 8£1,749 GBP

37 data points across 13 retailers

13 retailers£192 GBP to £1,749 GBP

A+
Cheapest Retailer
-
£192 GBP
$257 USD
Final sale: no returns
A
Retailer 2
-
£262 GBP
$351 USD
View
B+
Retailer 3
-
£289 GBP
$388 USD
View
A
Retailer 4
-
£379 GBP
€484 EUR
View
A
Retailer 5
-
£401 GBP
$538 USD
View
B+
Retailer 6
-
£597 GBP
$801 USD
View
B+
Retailer 7
-
£838 GBP
$1,124 USD
View
B+
Retailer 8
-
£944 GBP
View
Retailer 9
-
£1,122 GBP
$1,505 USD
View
Price last confirmed 12 days ago
B
Retailer 10
-
£1,416 GBP
$1,900 USD
View
B
Retailer 11
-
£1,639 GBP
$2,200 USD
View
B
Retailer 12
-
£1,749 GBP
$2,347 USD
View
Most Expensive
Rare Carat
271A-537_l_794626422 · Oct 21
£2,195 GBP
$2,945 USD
View
Price last confirmed 12 days ago
12 more retailers have this diamond
Prices start from £192 GBPSave up to £1,557 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