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Cushion|Lab Grown|IGI

1.70ct G VS2 Cushion Lab Grown Diamond

ID • G/VS2 • IGI LG575382373

Shape and cutting style on the report: Square cushion brilliant

Certificate IGI LG575382373

Diamond specifications and retailer prices

From £201 GBP
$270 USD
As of October 30, 2026
Save £732 GBP (78%) vs most expensive(unlock to see where)
8 retailers carry this diamond
Most expensive: £933 GBP at With Clarity · As of November 3, 2026
View at With Clarity

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 LG575382373 or 575382373. Listed at 8 retailers as of October 30, 2026, with prices from £201 to £933, a £732 spread on the same certified stone. With Clarity lists it at £933. 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 angle36.3°
Pavilion angle33.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG575382373
Dimensions6.96 × 6.62 × 4.18 mm
L/W Ratio1.05
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
6.96 mm6.62 mm1.70 ctG / VS2
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG575382373
Side View
Table 63.5%Crown 36.3°Girdle: MED-THKPavilion 33.1°Culet: NoneDepth 63.1%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 30
Current: £577 GBP|Low: £154 GBP|High: £1,088 GBP|Avg: £593 GBP|-0.8%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
With Clarity
November 2, 2026
Retailer 6£201 GBP
Retailer 7£306 GBP
Retailer 3£363 GBP
Retailer 9£435 GBP
Retailer 8£450 GBP
Retailer 2£486 GBP
Retailer 1£577 GBP
Retailer 4£782 GBP
Retailer 5£826 GBP
With Clarity£914 GBP
Retailer 10£1,001 GBP

15 data points across 11 retailers

8 retailers£201 GBP to £933 GBP

A
Cheapest Retailer
-
£201 GBP
$270 USD
Final sale: no returns
B+
Retailer 2
-
£306 GBP
$410 USD
View
A
Retailer 3
-
£363 GBP
€464 EUR
View
A
Retailer 4
-
£450 GBP
$604 USD
View
B+
Retailer 5
-
£577 GBP
$774 USD
View
B+
Retailer 6
-
£782 GBP
$1,050 USD
View
B
Retailer 7
-
£826 GBP
$1,108 USD
View
Most Expensive
B
With Clarity
575382373 · Nov 3
£933 GBP
$1,252 USD
View
7 more retailers have this diamond
Prices start from £201 GBPSave up to £732 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
£201 GBP