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Cushion|Lab Grown|IGI

1.51ct D VS1 Cushion Lab Grown Diamond

EX • D/VS1 • IGI LG626459295

Shape and cutting style on the report: Square cushion brilliant

Certificate IGI LG626459295

Diamond specifications and retailer prices

From £266 GBP
$356 USD
As of October 30, 2026
Save £1,846 GBP (87%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: £2,112 GBP at Do Amore Diamonds · As of October 31, 2026
View at Do Amore 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 LG626459295 or 626459295. Listed at 18 retailers as of October 30, 2026, with prices from £266 to £2,112, a £1,846 spread on the same certified stone. Do Amore Diamonds lists it at £2,112. 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
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle37.7°
Pavilion angle38.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG626459295
Dimensions6.48 × 6.48 × 4.31 mm
L/W Ratio1.00
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
6.48 mm6.48 mm1.51 ctD / VS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG626459295
Side View
Table 65.0%Crown 37.7°Girdle: MED-STKPavilion 38.2°Culet: NoneDepth 66.5%

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: £2,112 GBP|Low: £266 GBP|High: £2,112 GBP|Avg: £849 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
October 31, 2026
Retailer 15£266 GBP
Retailer 13£295 GBP
Retailer 12£364 GBP
Retailer 5£376 GBP
Retailer 7£393 GBP
Retailer 10£559 GBP
Retailer 2£585 GBP
Retailer 9£755 GBP
Retailer 8£816 GBP
Retailer 14£1,132 GBP
Retailer 3£1,169 GBP
Retailer 6£1,263 GBP
Retailer 11£1,279 GBP
Retailer 4£1,634 GBP
Do Amore Diamonds£2,112 GBP

42 data points across 15 retailers

18 retailers£266 GBP to £2,112 GBP

A
Cheapest Retailer
-
£266 GBP
$356 USD
Final sale: no returns
A
Retailer 2
-
£295 GBP
$395 USD
View
A
Retailer 3
-
£316 GBP
$424 USD
View
Retailer 4
-
£364 GBP
View
Price last confirmed 14 days ago
A
Retailer 5
-
£376 GBP
$504 USD
View
A
Retailer 6
-
£393 GBP
$526 USD
View
A
Retailer 7
-
£410 GBP
$550 USD
View
B+
Retailer 8
-
£559 GBP
ZAR 12,104 ZAR
View
B+
Retailer 9
-
£585 GBP
View
B+
Retailer 10
-
£755 GBP
A$1,557 AUD
View
B+
Retailer 11
-
£816 GBP
A$1,683 AUD
View
B
Retailer 12
-
£1,132 GBP
$1,517 USD
View
B
Retailer 13
-
£1,164 GBP
$1,560 USD
View
B
Retailer 14
-
£1,169 GBP
$1,567 USD
View
B
Retailer 15
-
£1,263 GBP
View
Retailer 16
-
£1,279 GBP
View
Price last confirmed 10 days ago
Retailer 17
-
£1,634 GBP
$2,190 USD
View
Price last confirmed 27 days ago
Most Expensive
B
Do Amore Diamonds
27-C79BB7B75 · Oct 31
£2,112 GBP
$2,830 USD
View
17 more retailers have this diamond
Prices start from £266 GBPSave up to £1,846 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
£266 GBP