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Cushion|Lab Grown|IGI

1.55ct D VVS2 Cushion Lab Grown Diamond

ID • D/VVS2 • IGI LG761554217

Shape and cutting style on the report: Antique cushion cut

Certificate IGI LG761554217

Diamond specifications and retailer prices

From £316 GBP
As of November 4, 2026
Save £1,147 GBP (78%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: £1,976 GBP at Queensmith · As of October 27, 2026
View at Queensmith

About this 1.55ct lab-grown cushion diamond

This 1.55ct lab-grown cushion sits in the one-and-a-half to two carat band, graded D colour (colourless) and VVS2 clarity (very-very-slightly-included), with a top-tier cut grade and certified by IGI LG761554217 or 761554217. Listed at 19 retailers as of November 3, 2026, with a 364% 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

1.55
Carat
D
Colour
VVS2
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle37.2°
Pavilion angle41.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG761554217
Dimensions7.20 × 6.44 × 4.41 mm
L/W Ratio1.12
Girdle conditionFaceted
Culet sizeLarge
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
7.20 mm6.44 mm1.55 ctD / VVS2
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG761554217
Side View
Table 55.0%Crown 37.2°Girdle: THK-VTKPavilion 41.9°Culet: LargeDepth 68.5%

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 4
Current: £638 GBP|Low: £316 GBP|High: £1,924 GBP|Avg: £882 GBP|-13.5%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
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Retailer 11
Retailer 12
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Retailer 18
November 4, 2026
Retailer 17£316 GBP
Retailer 3£353 GBP
Retailer 8£391 GBP
Retailer 14£391 GBP
Retailer 10£410 GBP
Retailer 4£494 GBP
Retailer 13£500 GBP
Retailer 18£526 GBP
Retailer 1£638 GBP
Retailer 12£910 GBP
Retailer 15£1,097 GBP
Retailer 6£1,140 GBP
Retailer 9£1,244 GBP
Retailer 16£1,257 GBP
Retailer 7£1,281 GBP
Retailer 2£1,418 GBP
Retailer 11£1,436 GBP
Retailer 5£1,463 GBP

43 data points across 18 retailers

19 retailers£316 GBP to £1,463 GBP

A
Cheapest Retailer
-
£316 GBP
A
Retailer 2
-
£353 GBP
View
A
Retailer 3
-
£391 GBP
View
Retailer 4
-
£391 GBP
View
Price last confirmed 11 days ago
Retailer 5
-
£410 GBP
View
Price last confirmed 21 days ago
Final sale: no returns
A
Retailer 6
-
£494 GBP
View
A
Retailer 7
-
£500 GBP
View
A
Retailer 8
-
£526 GBP
View
B+
Retailer 9
-
£638 GBP
View
B
Retailer 10
-
£910 GBP
View
B
Retailer 11
-
£1,097 GBP
View
B
Retailer 12
-
£1,140 GBP
View
B
Retailer 13
-
£1,244 GBP
View
B
Retailer 14
-
£1,257 GBP
View
B
Retailer 15
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£1,281 GBP
View
B
Retailer 16
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£1,418 GBP
View
B
Retailer 17
-
£1,436 GBP
View
B
Retailer 18
-
£1,463 GBP
View
Most Expensive
Queensmith
LG761554217 · Oct 27
£1,976 GBP
View
Price last confirmed 8 days ago
18 more retailers have this diamond
Prices start from £316 GBPSave up to £1,147 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
1.55ct Cushion
£316 GBP