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Cushion|Lab Grown|IGI

1.60ct F VVS1 Cushion Lab Grown Diamond

ID • F/VVS1 • IGI LG688505444

Shape and cutting style on the report: Cushion brilliant

Certificate IGI LG688505444

Diamond specifications and retailer prices

From £221 GBP
$296 USD
As of November 1, 2026
14 retailers carry this diamond
Most expensive: £1,379 GBP at Brilliant Earth · As of October 17, 2026
View at Brilliant Earth

About this 1.6ct lab-grown cushion diamond

This 1.6ct lab-grown cushion sits in the one-and-a-half to two carat band, graded F colour (colourless) and VVS1 clarity (very-very-slightly-included), with a top-tier cut grade and certified by IGI LG688505444 or 688505444. Listed at 14 retailers as of November 1, 2026. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.60
Carat
F
Colour
VVS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle38.2°
Pavilion angle32.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG688505444
Dimensions8.52 × 5.70 × 3.78 mm
L/W Ratio1.49
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
8.52 mm5.70 mm1.60 ctF / VVS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG688505444
Side View
Table 64.0%Crown 38.2°Girdle: STK-THKPavilion 32.8°Culet: NoneDepth 66.3%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Nov 1
Current: £1,379 GBP|Low: £203 GBP|High: £1,416 GBP|Avg: £692 GBP|-2.6%
Brilliant Earth
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
Retailer 17
Retailer 18
October 17, 2026
Retailer 6£221 GBP
Retailer 11£244 GBP
Retailer 14£335 GBP
Retailer 15£376 GBP
Retailer 17£394 GBP
Retailer 10£411 GBP
Retailer 16£417 GBP
Retailer 2£457 GBP
Retailer 5£568 GBP
Retailer 12£632 GBP
Retailer 9£824 GBP
Retailer 7£886 GBP
Retailer 3£906 GBP
Retailer 4£915 GBP
Retailer 13£991 GBP
Retailer 8£1,012 GBP
Retailer 18£1,122 GBP
Brilliant Earth£1,379 GBP

27 data points across 18 retailers

14 retailers

A
Cheapest Retailer
-
£221 GBP
$296 USD
Final sale: no returns
Retailer 2
-
£244 GBP
$328 USD
View
Price last confirmed 17 days ago
Retailer 3
-
£335 GBP
$450 USD
View
Price last confirmed 17 days ago
Retailer 4
-
£411 GBP
$551 USD
View
Price last confirmed 14 days ago
Retailer 5
-
£417 GBP
ZAR 9,041 ZAR
View
Price last confirmed 19 days ago
Retailer 6
-
£457 GBP
View
Price last confirmed 16 days ago
Retailer 7
-
£632 GBP
$848 USD
View
Price last confirmed 17 days ago
Retailer 8
-
£824 GBP
$1,106 USD
View
Price last confirmed 16 days ago
Retailer 9
-
£906 GBP
A$1,870 AUD
View
Price last confirmed 28 days ago
Retailer 10
-
£915 GBP
$1,228 USD
View
Price last confirmed 18 days ago
Retailer 11
-
£962 GBP
$1,291 USD
View
Price last confirmed 18 days ago
Retailer 12
-
£991 GBP
View
Price last confirmed 18 days ago
Retailer 13
-
£1,122 GBP
$1,505 USD
View
Price last confirmed 18 days ago
Most Expensive
Brilliant Earth
14065280A · Oct 17
£1,379 GBP
$1,850 USD
View
Price last confirmed 16 days ago
13 more retailers have this diamond
Prices start from £221 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
1.60ct Cushion
£221 GBP