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Cushion|Lab Grown|IGI

1.64ct G VS2 Cushion Lab Grown Diamond

ID • G/VS2 • IGI LG605369940

Shape and cutting style on the report: Square cushion brilliant

Certificate IGI LG605369940

Diamond specifications and retailer prices

From £177 GBP
$237 USD
As of October 28, 2026
Save £1,241 GBP (88%) vs most expensive(unlock to see where)
6 retailers carry this diamond
Most expensive: £1,418 GBP at Do Amore Diamonds · As of October 27, 2026
View at Do Amore Diamonds

About this 1.64ct lab-grown cushion diamond

This 1.64ct lab-grown cushion sits in the one-and-a-half to two carat band, graded G colour (near-colourless) and VS2 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG605369940 or 605369940. Listed at 6 retailers as of October 27, 2026, with prices from £177 to £1,418, a £1,241 spread on the same certified stone. Do Amore Diamonds lists it at £1,418. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.64
Carat
G
Colour
VS2
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.7°
Pavilion angle39.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG605369940
Dimensions6.81 × 6.82 × 4.61 mm
L/W Ratio1.00
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
6.81 mm6.82 mm1.64 ctG / VS2
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG605369940
Side View
Table 58.0%Crown 36.7°Girdle: MED-STKPavilion 39.9°Culet: NoneDepth 67.6%

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: £1,418 GBP|Low: £113 GBP|High: £1,590 GBP|Avg: £692 GBP|-1.0%
Do Amore 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
October 26, 2026
Retailer 8£177 GBP
Retailer 6£318 GBP
Retailer 11£358 GBP
Retailer 10£398 GBP
Retailer 12£422 GBP
Retailer 3£573 GBP
Retailer 13£696 GBP
Retailer 9£742 GBP
Retailer 2£812 GBP
Retailer 4£853 GBP
Retailer 7£963 GBP
Retailer 5£1,022 GBP
Do Amore Diamonds£1,418 GBP

14 data points across 13 retailers

6 retailers£177 GBP to £1,418 GBP

A
Cheapest Retailer
-
£177 GBP
$237 USD
Final sale: no returns
B+
Retailer 2
-
£318 GBP
$426 USD
View
B+
Retailer 3
-
£812 GBP
View
B
Retailer 4
-
£963 GBP
$1,290 USD
View
B
Retailer 5
-
£1,022 GBP
$1,370 USD
View
Most Expensive
B
Do Amore Diamonds
27-4A59D89B9 · Oct 27
£1,418 GBP
$1,900 USD
View
5 more retailers have this diamond
Prices start from £177 GBPSave up to £1,241 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
1.64ct Cushion
£177 GBP