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Cushion|Lab Grown|IGI

1.70ct G VS2 Cushion Lab Grown Diamond

ID • G/VS2 • IGI LG538275651

Shape and cutting style on the report: Cushion brilliant

Certificate IGI LG538275651

Diamond specifications and retailer prices

From £1,483 GBP
$1,990 USD
As of November 2, 2026
Save £484 GBP (25%) vs most expensive(unlock to see where)
9 retailers carry this diamond
Most expensive: £2,881 GBP at Loose Grown Diamond · As of November 1, 2026
View at Loose Grown Diamond

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 G colour (near-colourless) and VS2 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG538275651 or 538275651. Listed at 9 retailers as of November 2, 2026, with a 33% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.70
Carat
G
Colour
VS2
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle38.5°
Pavilion angle33.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG538275651
Dimensions6.90 × 6.51 × 4.39 mm
L/W Ratio1.06
Girdle conditionFaceted
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 mm6.51 mm1.70 ctG / VS2
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG538275651
Side View
Table 61.0%Crown 38.5°Girdle: MED-VTKPavilion 33.7°Culet: NoneDepth 67.4%

Caratlytics Score

How it works →
B
Good
Decent quality, room for better deals
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 2
Current: £2,881 GBP|Low: £1,483 GBP|High: £5,067 GBP|Avg: £2,921 GBP|+0.7%
Loose Grown Diamond
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
November 2, 2026
Retailer 5£1,483 GBP
Retailer 6£1,779 GBP
Retailer 4£1,843 GBP
Retailer 8£1,967 GBP
Retailer 2£2,515 GBP
Loose Grown Diamond£2,881 GBP
Retailer 7£3,498 GBP
Retailer 9£4,947 GBP
Retailer 3£5,000 GBP

38 data points across 9 retailers

9 retailers£1,483 GBP to £1,967 GBP

B
Cheapest Retailer
-
£1,483 GBP
$1,990 USD
B
Retailer 2
-
£1,779 GBP
$2,387 USD
View
Final sale: no returns
Retailer 3
-
£1,843 GBP
$2,473 USD
View
Price last confirmed 22 days ago
B
Retailer 4
-
£1,967 GBP
$2,640 USD
View
Retailer 5
-
£2,515 GBP
View
Price under review
Most Expensive
Loose Grown Diamond
538275651 · Nov 1
£2,881 GBP
$3,866 USD
View
Price under review
5 more retailers have this diamond
Prices start from £1,483 GBPSave up to £484 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.

B
1.70ct Cushion
£1,483 GBP