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Cushion|Lab Grown|IGI

1.70ct F VS2 Cushion Lab Grown Diamond

ID • F/VS2 • IGI LG550243549

Shape and cutting style on the report: Square cushion brilliant

Certificate IGI LG550243549

Diamond specifications and retailer prices

From £247 GBP
$332 USD
As of November 1, 2026
Save £1,325 GBP (84%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: £1,572 GBP at Brilliant Earth · As of October 31, 2026
View at Brilliant Earth

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 LG550243549 or 550243549. Listed at 11 retailers as of October 31, 2026, with prices from £247 to £1,572, a £1,325 spread on the same certified stone. Brilliant Earth lists it at £1,572. 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
SymmetryExcellent
FluorescenceNone
Crown angle33.8°
Pavilion angle41.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG550243549
Dimensions7.53 × 7.25 × 4.51 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
7.53 mm7.25 mm1.70 ctF / VS2
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG550243549
Side View
Table 61.5%Crown 33.8°Girdle: MED-THKPavilion 41.8°Culet: NoneDepth 62.2%

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: £1,572 GBP|Low: £177 GBP|High: £1,617 GBP|Avg: £662 GBP|-2.8%
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
November 2, 2026
Retailer 10£247 GBP
Retailer 7£274 GBP
Retailer 5£337 GBP
Retailer 6£432 GBP
Retailer 9£449 GBP
Retailer 3£463 GBP
Retailer 2£486 GBP
Retailer 11£529 GBP
Retailer 8£1,054 GBP
Retailer 4£1,099 GBP
Brilliant Earth£1,572 GBP

39 data points across 11 retailers

11 retailers£247 GBP to £1,572 GBP

A
Cheapest Retailer
-
£247 GBP
$332 USD
Final sale: no returns
Retailer 2
-
£274 GBP
$368 USD
View
Price last confirmed 25 days ago
A
Retailer 3
-
£432 GBP
$580 USD
View
A
Retailer 4
-
£449 GBP
$602 USD
View
A
Retailer 5
-
£463 GBP
$621 USD
View
A
Retailer 6
-
£486 GBP
View
B+
Retailer 7
-
£529 GBP
$710 USD
View
Retailer 8
-
£917 GBP
$1,231 USD
View
Price last confirmed 15 days ago
B
Retailer 9
-
£1,054 GBP
$1,415 USD
View
B
Retailer 10
-
£1,099 GBP
View
Most Expensive
B
Brilliant Earth
6333865A · Oct 31
£1,572 GBP
$2,110 USD
View
10 more retailers have this diamond
Prices start from £247 GBPSave up to £1,325 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
£247 GBP