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Cushion|Lab Grown|IGI

1.51ct D VS1 Cushion Lab Grown Diamond

GD • D/VS1 • IGI LG729574927

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

Certificate IGI LG729574927

Diamond specifications and retailer prices

From £194 GBP
$260 USD
As of November 1, 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 standard cut grade and certified by IGI LG729574927 or 729574927. 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. 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

1.51
Carat
D
Colour
VS1
Clarity
Good
Cut

Specifications

CutGood
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.9°
Pavilion angle39°
OriginLab Grown
Grading LabIGI
CertificateIGI LG729574927
Dimensions6.64 × 6.56 × 4.35 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
6.64 mm6.56 mm1.51 ctD / VS1
OriginLab Grown
CutGood
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG729574927
Side View
Table 63.0%Crown 34.9°Girdle: MED-STKPavilion 39°Culet: NoneDepth 66.3%

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: Nov 1
Current: £864 GBP|Low: £194 GBP|High: £1,523 GBP|Avg: £512 GBP|-1.2%
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 16
Retailer 17
November 1, 2026
Retailer 2£194 GBP
Retailer 10£240 GBP
Retailer 3£291 GBP
Retailer 13£355 GBP
Retailer 9£373 GBP
Retailer 16£390 GBP
Retailer 7£392 GBP
Retailer 17£404 GBP
Retailer 11£404 GBP
Retailer 8£533 GBP
Retailer 15£534 GBP
Retailer 5£659 GBP
Retailer 6£733 GBP
Retailer 14£764 GBP
Retailer 1£864 GBP
Retailer 4£970 GBP
Retailer 12£1,523 GBP

29 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
-
£240 GBP
View
B+
Retailer 3
-
£291 GBP
$390 USD
View
A
Retailer 4
-
£355 GBP
€453 EUR
View
Retailer 5
-
£373 GBP
$500 USD
View
Price last confirmed 12 days ago
A
Retailer 6
-
£390 GBP
$523 USD
View
A
Retailer 7
-
£392 GBP
ZAR 8,496 ZAR
View
A
Retailer 8
-
£404 GBP
$541 USD
View
A
Retailer 9
-
£404 GBP
View
B+
Retailer 10
-
£533 GBP
A$1,098 AUD
View
B+
Retailer 11
-
£534 GBP
$715 USD
View
B+
Retailer 12
-
£659 GBP
$883 USD
View
B
Retailer 13
-
£733 GBP
$982 USD
View
B
Retailer 14
-
£764 GBP
SGD 1,383 SGD
View
B
Retailer 15
-
£864 GBP
View
B
Retailer 16
-
£970 GBP
$1,299 USD
View
B
Retailer 17
-
£1,523 GBP
$2,040 USD
View
Most Expensive
C
Yadav Diamonds
13004923 · 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