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Cushion|Lab Grown|IGI

1.54ct D VVS1 Cushion Lab Grown Diamond

ID • D/VVS1 • IGI LG816615214

Shape and cutting style on the report: Cushion modified brilliant

Certificate IGI LG816615214

Diamond specifications and retailer prices

From £193 GBP
$258 USD
As of October 30, 2026
Save £663 GBP (78%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: £1,425 GBP at Brilliant Earth · As of October 5, 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 LG816615214 or 816615214. Listed at 16 retailers as of October 26, 2026, with a 345% 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 angle35.4°
Pavilion angle36.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG816615214
Dimensions8.54 × 5.85 × 3.86 mm
L/W Ratio1.46
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
8.54 mm5.85 mm1.54 ctD / VVS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG816615214
Side View
Table 62.0%Crown 35.4°Girdle: MED-STKPavilion 36.8°Culet: NoneDepth 66.0%

Caratlytics Score

How it works →
A+
Exceptional
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: £1,425 GBP|Low: £193 GBP|High: £1,470 GBP|Avg: £599 GBP|-3.0%
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
October 31, 2026
Retailer 3£193 GBP
Retailer 4£213 GBP
Retailer 2£352 GBP
Retailer 12£361 GBP
Retailer 9£367 GBP
Retailer 8£402 GBP
Retailer 10£498 GBP
Retailer 14£514 GBP
Retailer 11£563 GBP
Retailer 6£712 GBP
Retailer 13£725 GBP
Retailer 7£753 GBP
Retailer 15£830 GBP
Retailer 5£856 GBP
Brilliant Earth£1,425 GBP

35 data points across 15 retailers

16 retailers£193 GBP to £856 GBP

A+
Cheapest Retailer
-
£193 GBP
$258 USD
Final sale: no returns
A
Retailer 2
-
£213 GBP
$286 USD
View
A
Retailer 3
-
£352 GBP
€449 EUR
View
A
Retailer 4
-
£361 GBP
$484 USD
View
A
Retailer 5
-
£367 GBP
ZAR 7,935 ZAR
View
A
Retailer 6
-
£402 GBP
View
A
Retailer 7
-
£498 GBP
A$1,027 AUD
View
A
Retailer 8
-
£514 GBP
$689 USD
View
B+
Retailer 9
-
£563 GBP
$754 USD
View
B+
Retailer 10
-
£712 GBP
SGD 1,289 SGD
View
B+
Retailer 11
-
£725 GBP
$971 USD
View
B+
Retailer 12
-
£753 GBP
$1,009 USD
View
B+
Retailer 13
-
£830 GBP
View
B+
Retailer 14
-
£856 GBP
View
Retailer 15
-
£1,186 GBP
$1,589 USD
View
Price last confirmed 61 days ago
Most Expensive
Brilliant Earth
21421281A · Oct 5
£1,425 GBP
$1,910 USD
View
Price last confirmed 26 days ago
15 more retailers have this diamond
Prices start from £193 GBPSave up to £663 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
£193 GBP