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Cushion|Lab Grown|IGI

1.70ct F VS2 Cushion Lab Grown Diamond

ID • F/VS2 • IGI LG620417033

Shape and cutting style on the report: Square cushion brilliant

Certificate IGI LG620417033

Diamond specifications and retailer prices

From £346 GBP
$464 USD
As of November 1, 2026
Save £575 GBP (62%) vs most expensive(unlock to see where)
6 retailers carry this diamond
Most expensive: £921 GBP at MOH London · As of November 2, 2026
View at MOH London

About this 1.7ct lab-grown cushion diamond

This 1.7ct 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 LG620417033 or 620417033. Listed at 6 retailers as of November 1, 2026, with prices from £346 to £921, a £575 spread on the same certified stone. MOH London lists it at £921. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.70
Carat
F
Colour
VS2
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryVery Good
FluorescenceNone
Crown angle38.1°
Pavilion angle41.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG620417033
Dimensions6.90 × 6.78 × 4.80 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
6.90 mm6.78 mm1.70 ctF / VS2
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateIGI LG620417033
Side View
Table 65.0%Crown 38.1°Girdle: MED-VTKPavilion 41.9°Culet: NoneDepth 70.8%

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: £921 GBP|Low: £335 GBP|High: £932 GBP|Avg: £552 GBP
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
November 3, 2026
Retailer 5£346 GBP
Retailer 3£354 GBP
Retailer 4£402 GBP
Retailer 2£433 GBP
Retailer 6£866 GBP
MOH London£921 GBP

40 data points across 6 retailers

6 retailers£346 GBP to £921 GBP

A
Cheapest Retailer
-
£346 GBP
$464 USD
B+
Retailer 2
-
£354 GBP
$475 USD
View
A
Retailer 3
-
£402 GBP
$540 USD
View
A
Retailer 4
-
£433 GBP
View
Retailer 5
-
£866 GBP
$1,162 USD
View
Price last confirmed 15 days ago
Most Expensive
B
MOH London
LG620417033 · Nov 2
£921 GBP
View
5 more retailers have this diamond
Prices start from £346 GBPSave up to £575 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
1.70ct Cushion
£346 GBP