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Cushion|Lab Grown|IGI

1.04ct E VS1 Cushion Lab Grown Diamond

ID • E/VS1 • IGI LG818644813

Shape and cutting style on the report: Antique cushion cut

Certificate IGI LG818644813

Diamond specifications and retailer prices

From £198 GBP
$264 USD
As of October 27, 2026
Save £1,118 GBP (85%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: £1,316 GBP at Queensmith · As of October 27, 2026
View at Queensmith

About this 1.04ct lab-grown cushion diamond

This 1.04ct lab-grown cushion sits in the classic one-carat band, graded E colour (colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG818644813 or 818644813. Listed at 16 retailers as of October 27, 2026, with prices from £198 to £1,316, a £1,118 spread on the same certified stone. Queensmith lists it at £1,316. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.04
Carat
E
Colour
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle39.1°
Pavilion angle39.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG818644813
Dimensions7.70 × 5.04 × 3.08 mm
L/W Ratio1.53
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
7.70 mm5.04 mm1.04 ctE / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG818644813
Side View
Table 56.0%Crown 39.1°Girdle: THN-STKPavilion 39.7°Culet: LargeDepth 61.1%

Caratlytics Score

How it works →
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: Oct 27
Current: £1,316 GBP|Low: £230 GBP|High: £1,316 GBP|Avg: £658 GBP
Queensmith
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
October 29, 2026
Retailer 10£230 GBP
Retailer 12£276 GBP
Retailer 9£330 GBP
Retailer 8£364 GBP
Retailer 2£468 GBP
Retailer 5£597 GBP
Retailer 4£658 GBP
Retailer 7£754 GBP
Retailer 11£827 GBP
Retailer 6£984 GBP
Retailer 3£1,049 GBP
Queensmith£1,316 GBP

41 data points across 12 retailers

16 retailers£198 GBP to £1,316 GBP

A
Cheapest Retailer
-
£198 GBP
$264 USD
A
Retailer 2
-
£230 GBP
$306 USD
View
A
Retailer 3
-
£246 GBP
$327 USD
View
A
Retailer 4
-
£246 GBP
$327 USD
View
A
Retailer 5
-
£276 GBP
$368 USD
View
A
Retailer 6
-
£330 GBP
$440 USD
View
B+
Retailer 7
-
£364 GBP
$485 USD
View
B+
Retailer 8
-
£468 GBP
View
B
Retailer 9
-
£597 GBP
A$1,223 AUD
View
B
Retailer 10
-
£658 GBP
SGD 1,185 SGD
View
B
Retailer 11
-
£754 GBP
$1,004 USD
View
B
Retailer 12
-
£788 GBP
$1,050 USD
View
B
Retailer 13
-
£827 GBP
$1,102 USD
View
B
Retailer 14
-
£984 GBP
View
B
Retailer 15
-
£1,049 GBP
$1,396 USD
View
Most Expensive
B
Queensmith
LG818644813 · Oct 27
£1,316 GBP
View
15 more retailers have this diamond
Prices start from £198 GBPSave up to £1,118 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
1.04ct Cushion
£198 GBP