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Cushion|Lab Grown|IGI

1.54ct D VVS1 Cushion Lab Grown Diamond

EX • D/VVS1 • IGI LG665408826

Shape and cutting style on the report: Cushion modified brilliant

Certificate IGI LG665408826

Diamond specifications and retailer prices

From £246 GBP
$330 USD
As of October 30, 2026
Save £893 GBP (78%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: £1,140 GBP at With Clarity · As of October 31, 2026
View at With Clarity

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 LG665408826 or 665408826. Listed at 18 retailers as of October 30, 2026, with prices from £246 to £1,140, a £893 spread on the same certified stone. With Clarity lists it at £1,140. 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
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.5°
Pavilion angle35.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG665408826
Dimensions7.89 × 6.05 × 4.16 mm
L/W Ratio1.30
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
7.89 mm6.05 mm1.54 ctD / VVS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG665408826
Side View
Table 60.0%Crown 35.5°Girdle: MED-THKPavilion 35.9°Culet: NoneDepth 68.8%

Caratlytics Score

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A
Excellent
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: Oct 30
Current: £437 GBP|Low: £233 GBP|High: £1,085 GBP|Avg: £626 GBP|+0.5%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
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Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
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Retailer 17
October 31, 2026
Retailer 16£246 GBP
Retailer 3£260 GBP
Retailer 11£407 GBP
Retailer 5£429 GBP
Retailer 1£437 GBP
Retailer 15£448 GBP
Retailer 10£456 GBP
Retailer 2£456 GBP
Retailer 17£528 GBP
Retailer 14£606 GBP
Retailer 4£701 GBP
Retailer 8£875 GBP
Retailer 9£955 GBP
Retailer 12£1,009 GBP
Retailer 7£1,012 GBP
Retailer 13£1,050 GBP
Retailer 6£1,085 GBP

38 data points across 17 retailers

18 retailers£246 GBP to £1,140 GBP

A
Cheapest Retailer
-
£246 GBP
$330 USD
Final sale: no returns
A
Retailer 2
-
£260 GBP
$349 USD
View
A
Retailer 3
-
£407 GBP
$545 USD
View
A
Retailer 4
-
£429 GBP
$575 USD
View
A
Retailer 5
-
£437 GBP
€558 EUR
View
A
Retailer 6
-
£448 GBP
ZAR 9,692 ZAR
View
A
Retailer 7
-
£456 GBP
View
A
Retailer 8
-
£456 GBP
$611 USD
View
A
Retailer 9
-
£528 GBP
$707 USD
View
B+
Retailer 10
-
£606 GBP
A$1,249 AUD
View
B+
Retailer 11
-
£701 GBP
$939 USD
View
B
Retailer 12
-
£875 GBP
$1,173 USD
View
B
Retailer 13
-
£955 GBP
$1,279 USD
View
B
Retailer 14
-
£1,009 GBP
A$2,079 AUD
View
B
Retailer 15
-
£1,012 GBP
View
B
Retailer 16
-
£1,050 GBP
View
B
Retailer 17
-
£1,085 GBP
$1,454 USD
View
Most Expensive
B
With Clarity
665408826 · Oct 31
£1,140 GBP
$1,527 USD
View
17 more retailers have this diamond
Prices start from £246 GBPSave up to £893 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
£246 GBP