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Cushion|Lab Grown|IGI

1.70ct F VS2 Cushion Lab Grown Diamond

VG • F/VS2 • IGI LG591302215

Shape and cutting style on the report: Square cushion brilliant

Certificate IGI LG591302215

Diamond specifications and retailer prices

From £212 GBP
$284 USD
As of November 1, 2026
Save £734 GBP (78%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: £945 GBP at MOH London · As of October 29, 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 very-good cut grade and certified by IGI LG591302215 or 591302215. Listed at 12 retailers as of October 29, 2026, with prices from £212 to £945, a £734 spread on the same certified stone. MOH London lists it at £945. Cut grade matters more than carat or clarity for visible brilliance. If you can shift budget toward an Excellent or Ideal cut, do it before chasing higher colour or clarity.

The 4Cs

1.70
Carat
F
Colour
VS2
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle39°
Pavilion angle38.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG591302215
Dimensions6.90 × 6.62 × 4.62 mm
L/W Ratio1.04
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 mm6.62 mm1.70 ctF / VS2
OriginLab Grown
CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG591302215
Side View
Table 67.0%Crown 39°Girdle: MED-THKPavilion 38.4°Culet: NoneDepth 69.8%

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: Nov 1
Current: £945 GBP|Low: £212 GBP|High: £951 GBP|Avg: £581 GBP|+0.6%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
November 2, 2026
Retailer 11£212 GBP
Retailer 10£235 GBP
Retailer 7£354 GBP
Retailer 2£387 GBP
Retailer 9£395 GBP
Retailer 4£444 GBP
Retailer 3£493 GBP
Retailer 5£797 GBP
Retailer 8£806 GBP
Retailer 6£844 GBP
MOH London£945 GBP

40 data points across 11 retailers

12 retailers£212 GBP to £945 GBP

A
Cheapest Retailer
-
£212 GBP
$284 USD
Final sale: no returns
Retailer 2
-
£235 GBP
$315 USD
View
Price last confirmed 8 days ago
B+
Retailer 3
-
£354 GBP
$475 USD
View
A
Retailer 4
-
£387 GBP
View
B+
Retailer 5
-
£395 GBP
$530 USD
View
B+
Retailer 6
-
£444 GBP
$596 USD
View
B+
Retailer 7
-
£493 GBP
$661 USD
View
Retailer 8
-
£792 GBP
$1,063 USD
View
Price last confirmed 15 days ago
B+
Retailer 9
-
£797 GBP
$1,070 USD
View
B
Retailer 10
-
£806 GBP
View
B
Retailer 11
-
£844 GBP
$1,133 USD
View
Most Expensive
B
MOH London
LG591302215 · Oct 29
£945 GBP
View
11 more retailers have this diamond
Prices start from £212 GBPSave up to £734 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
£212 GBP