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Cushion|Lab Grown|IGI

1.61ct E VVS1 Cushion Lab Grown Diamond

EX • E/VVS1 • IGI LG790678033

Shape and cutting style on the report: Cushion modified brilliant

Certificate IGI LG790678033

Diamond specifications and retailer prices

From £360 GBP
€456 EUR
As of October 29, 2026
Save £1,315 GBP (79%) vs most expensive(unlock to see where)
9 retailers carry this diamond
Most expensive: £1,675 GBP at Brilliant Earth · As of October 29, 2026
View at Brilliant Earth

About this 1.61ct lab-grown cushion diamond

This 1.61ct lab-grown cushion sits in the one-and-a-half to two carat band, graded E colour (colourless) and VVS1 clarity (very-very-slightly-included), with a top-tier cut grade and certified by IGI LG790678033 or 790678033. Listed at 9 retailers as of October 29, 2026, with prices from £360 to £1,675, a £1,315 spread on the same certified stone. Brilliant Earth lists it at £1,675. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.61
Carat
E
Colour
VVS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle38.5°
Pavilion angle33.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG790678033
Dimensions6.95 × 6.48 × 4.26 mm
L/W Ratio1.07
Girdle conditionFaceted
Culet sizePointed
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
6.95 mm6.48 mm1.61 ctE / VVS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG790678033
Side View
Table 62.0%Crown 38.5°Girdle: STK-THKPavilion 33.4°Culet: NoneDepth 65.7%

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 29
Current: £1,675 GBP|Low: £240 GBP|High: £1,697 GBP|Avg: £651 GBP|-0.4%
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
October 29, 2026
Retailer 10£240 GBP
Retailer 3£360 GBP
Retailer 9£366 GBP
Retailer 2£407 GBP
Retailer 7£465 GBP
Retailer 8£515 GBP
Retailer 6£734 GBP
Retailer 4£868 GBP
Retailer 5£1,243 GBP
Brilliant Earth£1,675 GBP

41 data points across 10 retailers

9 retailers£360 GBP to £1,675 GBP

A
Cheapest Retailer
-
£360 GBP
€456 EUR
A
Retailer 2
-
£366 GBP
$488 USD
View
A
Retailer 3
-
£407 GBP
View
A
Retailer 4
-
£465 GBP
$619 USD
View
A
Retailer 5
-
£515 GBP
$686 USD
View
B+
Retailer 6
-
£734 GBP
$978 USD
View
B+
Retailer 7
-
£868 GBP
View
Retailer 8
-
£1,243 GBP
$1,655 USD
View
Price last confirmed 11 days ago
Most Expensive
B
Brilliant Earth
20845494A · Oct 29
£1,675 GBP
$2,230 USD
View
8 more retailers have this diamond
Prices start from £360 GBPSave up to £1,315 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
1.61ct Cushion
£360 GBP