Cushion|Lab Grown|IGI

1.55ct E VS2 Cushion Lab Grown Diamond

ID • E/VS2 • IGI LG821613403

Shape and cutting style on the report: Cushion modified brilliant

Certificate IGI LG821613403

Diamond specifications and retailer prices

From £210 GBP
$281 USD
As of October 25, 2026
Save £761 GBP (78%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: £970 GBP at Brilliant Earth · As of October 30, 2026
View at Brilliant Earth

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 VS2 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG821613403 or 821613403. Listed at 13 retailers as of October 25, 2026, with prices from £210 to £970, a £761 spread on the same certified stone. Brilliant Earth lists it at £970. 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
VS2
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle32.9°
Pavilion angle36.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG821613403
Dimensions8.06 × 6.22 × 4.08 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
8.06 mm6.22 mm1.55 ctE / VS2
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG821613403
Side View
Table 62.0%Crown 32.9°Girdle: THN-MEDPavilion 36.7°Culet: NoneDepth 65.6%

Caratlytics Score

How it works →
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 25
Current: £970 GBP|Low: £210 GBP|High: £1,217 GBP|Avg: £602 GBP|-20.2%
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
October 30, 2026
Retailer 9£210 GBP
Retailer 4£269 GBP
Retailer 7£350 GBP
Retailer 5£368 GBP
Retailer 6£384 GBP
Retailer 3£456 GBP
Retailer 2£725 GBP
Retailer 10£765 GBP
Retailer 8£803 GBP
Retailer 11£851 GBP
Brilliant Earth£970 GBP

45 data points across 11 retailers

13 retailers£210 GBP to £970 GBP

A
Cheapest Retailer
-
£210 GBP
$281 USD
B+
Retailer 2
-
£269 GBP
$360 USD
View
A
Retailer 3
-
£350 GBP
€446 EUR
View
A
Retailer 4
-
£368 GBP
View
A
Retailer 5
-
£384 GBP
$514 USD
View
A
Retailer 6
-
£456 GBP
$611 USD
View
Retailer 7
-
£714 GBP
$957 USD
View
Price last confirmed 12 days ago
B+
Retailer 8
-
£725 GBP
$971 USD
View
Retailer 9
-
£765 GBP
$1,025 USD
View
Price last confirmed 9 days ago
B+
Retailer 10
-
£803 GBP
View
Retailer 11
-
£805 GBP
$1,079 USD
View
Price last confirmed 15 days ago
Retailer 12
-
£851 GBP
SGD 1,540 SGD
View
Price last confirmed 17 days ago
Most Expensive
B
Brilliant Earth
20747657A · Oct 30
£970 GBP
$1,300 USD
View
12 more retailers have this diamond
Prices start from £210 GBPSave up to £761 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
£210 GBP