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Cushion|Lab Grown|IGI

1.65ct F VS2 Cushion Lab Grown Diamond

EX • F/VS2 • IGI LG621489025

Shape and cutting style on the report: Square cushion modified brilliant

Certificate IGI LG621489025

Diamond specifications and retailer prices

From £328 GBP
$440 USD
As of November 1, 2026
Save £1,246 GBP (79%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: £1,575 GBP at Do Amore Diamonds · As of November 2, 2026
View at Do Amore Diamonds

About this 1.65ct lab-grown cushion diamond

This 1.65ct lab-grown cushion sits in the one-and-a-half to two carat band, graded F colour (colourless) and VS2 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG621489025 or 621489025. Listed at 11 retailers as of November 1, 2026, with prices from £328 to £1,575, a £1,246 spread on the same certified stone. Do Amore Diamonds lists it at £1,575. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.65
Carat
F
Colour
VS2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.1°
Pavilion angle40.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG621489025
Dimensions6.88 × 6.74 × 4.59 mm
L/W Ratio1.02
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process and may include post-growth treatment Type IIa
Top View
6.88 mm6.74 mm1.65 ctF / VS2
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG621489025
Side View
Table 63.0%Crown 36.1°Girdle: MED-STKPavilion 40.1°Culet: NoneDepth 68.1%

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: Nov 1
Current: £1,575 GBP|Low: £328 GBP|High: £1,575 GBP|Avg: £705 GBP
Do Amore Diamonds
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
November 2, 2026
Retailer 9£328 GBP
Retailer 7£348 GBP
Retailer 8£396 GBP
Retailer 2£422 GBP
Retailer 3£709 GBP
Retailer 6£720 GBP
Retailer 5£826 GBP
Retailer 10£848 GBP
Retailer 4£899 GBP
Do Amore Diamonds£1,575 GBP

42 data points across 10 retailers

11 retailers£328 GBP to £1,575 GBP

A
Cheapest Retailer
-
£328 GBP
$440 USD
B+
Retailer 2
-
£348 GBP
$466 USD
View
A
Retailer 3
-
£396 GBP
$531 USD
View
A
Retailer 4
-
£422 GBP
View
B+
Retailer 5
-
£709 GBP
$950 USD
View
B+
Retailer 6
-
£713 GBP
$955 USD
View
Retailer 7
-
£720 GBP
A$1,485 AUD
View
Price last confirmed 32 days ago
B
Retailer 8
-
£826 GBP
$1,107 USD
View
Retailer 9
-
£848 GBP
$1,137 USD
View
Price last confirmed 15 days ago
Retailer 10
-
£899 GBP
View
Price last confirmed 8 days ago
Most Expensive
B
Do Amore Diamonds
27-7B3961067 · Nov 2
£1,575 GBP
$2,110 USD
View
10 more retailers have this diamond
Prices start from £328 GBPSave up to £1,246 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
1.65ct Cushion
£328 GBP