Cushion|Lab Grown|IGI

1.54ct D VS1 Cushion Lab Grown Diamond

VG • D/VS1 • IGI LG835642429

Shape and cutting style on the report: Cushion modified brilliant

Certificate IGI LG835642429

Diamond specifications and retailer prices

From £340 GBP
$455 USD
As of October 30, 2026
Save £1,511 GBP (82%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: £1,851 GBP at Do Amore Diamonds · As of October 29, 2026
View at Do Amore Diamonds

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 VS1 clarity (very-slightly-included), with a very-good cut grade and certified by IGI LG835642429 or 835642429. Listed at 19 retailers as of October 29, 2026, with prices from £340 to £1,851, a £1,511 spread on the same certified stone. Do Amore Diamonds lists it at £1,851. Cut grade matters more than carat or clarity for visible brilliance. If you can shift budget toward an Excellent or Ideal cut, do it before chasing higher colour or clarity.

The 4Cs

1.54
Carat
D
Colour
VS1
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.9°
Pavilion angle38.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG835642429
Dimensions7.78 × 5.98 × 4.23 mm
L/W Ratio1.30
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
7.78 mm5.98 mm1.54 ctD / VS1
OriginLab Grown
CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG835642429
Side View
Table 63.0%Crown 34.9°Girdle: MED-STKPavilion 38.1°Culet: NoneDepth 70.7%

Caratlytics Score

How it works →
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: £1,851 GBP|Low: £196 GBP|High: £1,851 GBP|Avg: £668 GBP
Do Amore Diamonds
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
Retailer 16
Retailer 17
Retailer 18
Retailer 19
October 30, 2026
Retailer 17£340 GBP
Retailer 6£439 GBP
Retailer 18£445 GBP
Retailer 14£525 GBP
Retailer 4£590 GBP
Retailer 12£600 GBP
Retailer 19£689 GBP
Retailer 10£825 GBP
Retailer 13£840 GBP
Retailer 8£882 GBP
Retailer 9£890 GBP
Retailer 11£893 GBP
Retailer 15£924 GBP
Retailer 7£1,209 GBP
Retailer 2£1,252 GBP
Retailer 16£1,626 GBP
Retailer 3£1,657 GBP
Retailer 5£1,828 GBP
Do Amore Diamonds£1,851 GBP

36 data points across 19 retailers

19 retailers£340 GBP to £1,851 GBP

A
Cheapest Retailer
-
£340 GBP
$455 USD
A
Retailer 2
-
£439 GBP
$588 USD
View
Final sale: no returns
A
Retailer 3
-
£445 GBP
$596 USD
View
B+
Retailer 4
-
£525 GBP
€670 EUR
View
B+
Retailer 5
-
£590 GBP
$790 USD
View
B
Retailer 6
-
£600 GBP
View
B
Retailer 7
-
£689 GBP
$923 USD
View
Retailer 8
-
£825 GBP
$1,105 USD
View
Price last confirmed 9 days ago
B
Retailer 9
-
£840 GBP
View
Retailer 10
-
£882 GBP
View
Price last confirmed 15 days ago
Retailer 11
-
£890 GBP
SGD 1,611 SGD
View
Price last confirmed 17 days ago
Retailer 12
-
£893 GBP
$1,197 USD
View
Price last confirmed 15 days ago
B
Retailer 13
-
£924 GBP
ZAR 19,995 ZAR
View
B
Retailer 14
-
£1,209 GBP
$1,620 USD
View
Retailer 15
-
£1,252 GBP
A$2,581 AUD
View
B
Retailer 16
-
£1,626 GBP
CA$3,027 CAD
View
B
Retailer 17
-
£1,657 GBP
$2,220 USD
View
B
Retailer 18
-
£1,828 GBP
$2,449 USD
View
Most Expensive
B
Do Amore Diamonds
31-LG10992708 · Oct 29
£1,851 GBP
$2,480 USD
View
18 more retailers have this diamond
Prices start from £340 GBPSave up to £1,511 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
£340 GBP