Cushion|Lab Grown|IGI

1.55ct E VS1 Cushion Lab Grown Diamond

ID • E/VS1 • IGI LG837680978

Shape and cutting style on the report: Cushion modified brilliant

Certificate IGI LG837680978

Diamond specifications and retailer prices

From £232 GBP
As of October 24, 2026
Save £695 GBP (75%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: £928 GBP at Reve Diamonds · As of October 23, 2026
View at Reve Diamonds

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 LG837680978 or 837680978. Listed at 10 retailers as of October 23, 2026, with prices from £232 to £928, a £695 spread on the same certified stone. Reve Diamonds lists it at £928. 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 angle33.2°
Pavilion angle41.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG837680978
Dimensions7.92 × 6.10 × 4.22 mm
L/W Ratio1.30
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
7.92 mm6.10 mm1.55 ctE / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG837680978
Side View
Table 63.0%Crown 33.2°Girdle: MED-STKPavilion 41.5°Culet: NoneDepth 69.2%

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 24
Current: £539 GBP|Low: £176 GBP|High: £951 GBP|Avg: £477 GBP|+4.8%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Reve Diamonds
October 26, 2026
Retailer 9£179 GBP
Retailer 5£232 GBP
Retailer 3£279 GBP
Retailer 7£335 GBP
Retailer 4£354 GBP
Retailer 8£398 GBP
Retailer 6£464 GBP
Retailer 1£539 GBP
Retailer 10£677 GBP
Retailer 2£807 GBP
Reve Diamonds£928 GBP

14 data points across 11 retailers

10 retailers£232 GBP to £928 GBP

A
Cheapest Retailer
-
£232 GBP
B+
Retailer 2
-
£279 GBP
$372 USD
View
A
Retailer 3
-
£335 GBP
ZAR 7,215 ZAR
View
A
Retailer 4
-
£354 GBP
View
A
Retailer 5
-
£398 GBP
$530 USD
View
A
Retailer 6
-
£464 GBP
A$950 AUD
View
B+
Retailer 7
-
£539 GBP
$718 USD
View
B+
Retailer 8
-
£677 GBP
$902 USD
View
B
Retailer 9
-
£807 GBP
$1,075 USD
View
Most Expensive
B
Reve Diamonds
427B8B826 · Oct 23
£928 GBP
$1,235 USD
View
9 more retailers have this diamond
Prices start from £232 GBPSave up to £695 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
£232 GBP