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Cushion|Lab Grown|IGI

1.51ct D VS1 Cushion Lab Grown Diamond

ID • D/VS1 • IGI LG729574956

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

Certificate IGI LG729574956

Diamond specifications and retailer prices

From £194 GBP
$260 USD
As of October 30, 2026
Save £1,448 GBP (88%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: £1,642 GBP at Yadav Diamonds · As of October 30, 2026
View at Yadav Diamonds

About this 1.51ct lab-grown cushion diamond

This 1.51ct 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 top-tier cut grade and certified by IGI LG729574956 or 729574956. Listed at 18 retailers as of October 30, 2026, with prices from £194 to £1,642, a £1,448 spread on the same certified stone. Yadav Diamonds lists it at £1,642. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.51
Carat
D
Colour
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle37.5°
Pavilion angle38.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG729574956
Dimensions6.55 × 6.51 × 4.39 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
6.55 mm6.51 mm1.51 ctD / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG729574956
Side View
Table 61.0%Crown 37.5°Girdle: MED-THKPavilion 38.5°Culet: NoneDepth 67.4%

Caratlytics Score

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A
Excellent
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: £355 GBP|Low: £194 GBP|High: £1,053 GBP|Avg: £522 GBP|-9.4%
Retailer 1
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
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Retailer 17
October 31, 2026
Retailer 15£194 GBP
Retailer 8£228 GBP
Retailer 2£241 GBP
Retailer 16£291 GBP
Retailer 1£355 GBP
Retailer 9£373 GBP
Retailer 13£390 GBP
Retailer 6£392 GBP
Retailer 14£404 GBP
Retailer 10£407 GBP
Retailer 7£533 GBP
Retailer 12£534 GBP
Retailer 3£659 GBP
Retailer 4£733 GBP
Retailer 11£764 GBP
Retailer 5£920 GBP
Retailer 17£970 GBP

28 data points across 17 retailers

18 retailers£194 GBP to £1,642 GBP

A
Cheapest Retailer
-
£194 GBP
$260 USD
Final sale: no returns
A
Retailer 2
-
£228 GBP
$306 USD
View
A
Retailer 3
-
£241 GBP
View
B+
Retailer 4
-
£291 GBP
$390 USD
View
A
Retailer 5
-
£355 GBP
€453 EUR
View
Retailer 6
-
£373 GBP
$500 USD
View
Price last confirmed 11 days ago
A
Retailer 7
-
£390 GBP
$523 USD
View
A
Retailer 8
-
£392 GBP
ZAR 8,496 ZAR
View
A
Retailer 9
-
£404 GBP
$541 USD
View
A
Retailer 10
-
£407 GBP
View
B+
Retailer 11
-
£533 GBP
A$1,098 AUD
View
B+
Retailer 12
-
£534 GBP
$715 USD
View
B+
Retailer 13
-
£659 GBP
$883 USD
View
B+
Retailer 14
-
£733 GBP
$982 USD
View
B+
Retailer 15
-
£764 GBP
SGD 1,383 SGD
View
B
Retailer 16
-
£920 GBP
View
B
Retailer 17
-
£970 GBP
$1,299 USD
View
Most Expensive
B
Yadav Diamonds
13005334 · Oct 30
£1,642 GBP
$2,200 USD
View
17 more retailers have this diamond
Prices start from £194 GBPSave up to £1,448 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
1.51ct Cushion
£194 GBP