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Cushion|Lab Grown|IGI

1.05ct E VVS1 Cushion Lab Grown Diamond

ID • E/VVS1 • IGI LG836619425

Shape and cutting style on the report: Cushion modified brilliant

Certificate IGI LG836619425

Diamond specifications and retailer prices

From £146 GBP
$195 USD
As of October 28, 2026
Save £895 GBP (86%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: £1,040 GBP at Helzberg Diamonds · As of October 29, 2026
View at Helzberg Diamonds

About this 1.05ct lab-grown cushion diamond

This 1.05ct lab-grown cushion sits in the classic one-carat band, graded E colour (colourless) and VVS1 clarity (very-very-slightly-included), with a top-tier cut grade and certified by IGI LG836619425 or 836619425. Listed at 16 retailers as of October 28, 2026, with prices from £146 to £1,040, a £895 spread on the same certified stone. Helzberg Diamonds lists it at £1,040. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.05
Carat
E
Colour
VVS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.9°
Pavilion angle35.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG836619425
Dimensions7.37 × 5.15 × 3.36 mm
L/W Ratio1.43
Girdle conditionFaceted
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
7.37 mm5.15 mm1.05 ctE / VVS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG836619425
Side View
Table 61.0%Crown 33.9°Girdle: STK-THKPavilion 35.5°Culet: NoneDepth 65.2%

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 28
Current: £1,040 GBP|Low: £146 GBP|High: £1,040 GBP|Avg: £444 GBP
Helzberg Diamonds
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
Retailer 15
Retailer 16
October 30, 2026
Retailer 8£146 GBP
Retailer 7£161 GBP
Retailer 10£205 GBP
Retailer 3£277 GBP
Retailer 15£293 GBP
Retailer 9£295 GBP
Retailer 11£300 GBP
Retailer 12£322 GBP
Retailer 2£346 GBP
Retailer 4£393 GBP
Retailer 5£463 GBP
Retailer 14£577 GBP
Retailer 6£634 GBP
Retailer 13£709 GBP
Retailer 16£784 GBP
Helzberg Diamonds£1,040 GBP

29 data points across 16 retailers

16 retailers£146 GBP to £1,040 GBP

A
Cheapest Retailer
-
£146 GBP
$195 USD
Final sale: no returns
A
Retailer 2
-
£161 GBP
$216 USD
View
A
Retailer 3
-
£205 GBP
View
A
Retailer 4
-
£277 GBP
ZAR 5,993 ZAR
View
A
Retailer 5
-
£293 GBP
€374 EUR
View
A
Retailer 6
-
£295 GBP
$395 USD
View
A
Retailer 7
-
£300 GBP
View
A
Retailer 8
-
£322 GBP
$431 USD
View
A
Retailer 9
-
£346 GBP
$464 USD
View
B+
Retailer 10
-
£393 GBP
A$811 AUD
View
B+
Retailer 11
-
£463 GBP
SGD 838 SGD
View
B+
Retailer 12
-
£577 GBP
$773 USD
View
Retailer 13
-
£634 GBP
$850 USD
View
Price last confirmed 12 days ago
B
Retailer 14
-
£709 GBP
$950 USD
View
B
Retailer 15
-
£784 GBP
View
Most Expensive
B
Helzberg Diamonds
ZXZOJMMHPKIL · Oct 29
£1,040 GBP
$1,394 USD
View
15 more retailers have this diamond
Prices start from £146 GBPSave up to £895 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
1.05ct Cushion
£146 GBP