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Cushion|Lab Grown|IGI

1.55ct E VS1 Cushion Lab Grown Diamond

ID • E/VS1 • IGI LG765630209

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

Certificate IGI LG765630209

Diamond specifications and retailer prices

From £205 GBP
$275 USD
As of October 30, 2026
Save £1,387 GBP (87%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: £1,592 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 E colour (colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG765630209 or 765630209. Listed at 16 retailers as of October 27, 2026, with prices from £205 to £1,592, a £1,387 spread on the same certified stone. Queensmith lists it at £1,592. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.55
Carat
E
Colour
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.6°
Pavilion angle39.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG765630209
Dimensions6.68 × 6.66 × 4.49 mm
L/W Ratio1.00
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
6.68 mm6.66 mm1.55 ctE / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG765630209
Side View
Table 61.0%Crown 36.6°Girdle: MED-STKPavilion 39.2°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: £1,592 GBP|Low: £204 GBP|High: £1,592 GBP|Avg: £589 GBP
Queensmith
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
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Retailer 17
October 31, 2026
Retailer 10£205 GBP
Retailer 11£266 GBP
Retailer 9£355 GBP
Retailer 13£379 GBP
Retailer 6£383 GBP
Retailer 15£391 GBP
Retailer 3£404 GBP
Retailer 12£432 GBP
Retailer 5£471 GBP
Retailer 16£530 GBP
Retailer 2£572 GBP
Retailer 4£699 GBP
Retailer 8£769 GBP
Retailer 17£825 GBP
Retailer 14£916 GBP
Retailer 7£1,000 GBP
Queensmith£1,592 GBP

35 data points across 17 retailers

16 retailers£205 GBP to £1,592 GBP

A
Cheapest Retailer
-
£205 GBP
$275 USD
Final sale: no returns
A
Retailer 2
-
£266 GBP
View
A
Retailer 3
-
£379 GBP
€484 EUR
View
A
Retailer 4
-
£383 GBP
$513 USD
View
A
Retailer 5
-
£391 GBP
ZAR 8,454 ZAR
View
A
Retailer 6
-
£404 GBP
$541 USD
View
A
Retailer 7
-
£432 GBP
View
A
Retailer 8
-
£471 GBP
$631 USD
View
B+
Retailer 9
-
£530 GBP
A$1,092 AUD
View
B+
Retailer 10
-
£572 GBP
$767 USD
View
B+
Retailer 11
-
£699 GBP
$937 USD
View
B+
Retailer 12
-
£769 GBP
$1,031 USD
View
B+
Retailer 13
-
£825 GBP
$1,106 USD
View
B
Retailer 14
-
£916 GBP
View
B
Retailer 15
-
£1,000 GBP
$1,339 USD
View
Most Expensive
B
Queensmith
LG765630209 · Oct 27
£1,592 GBP
View
15 more retailers have this diamond
Prices start from £205 GBPSave up to £1,387 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
£205 GBP