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Cushion|Lab Grown|IGI

3.46ct G VS2 Cushion Lab Grown Diamond

VG • G/VS2 • IGI LG578320717

Shape and cutting style on the report: Square cushion modified brilliant

Certificate IGI LG578320717

Diamond specifications and retailer prices

From £585 GBP
$784 USD
As of October 26, 2026
Save £2,057 GBP (78%) vs most expensive(unlock to see where)
5 retailers carry this diamond
Most expensive: £2,642 GBP at Do Amore Diamonds · As of October 28, 2026
View at Do Amore Diamonds

About this 3.46ct lab-grown cushion diamond

This 3.46ct lab-grown cushion sits in the three to five carat band, graded G colour (near-colourless) and VS2 clarity (very-slightly-included), with a very-good cut grade and certified by IGI LG578320717 or 578320717. Listed at 5 retailers as of October 26, 2026, with prices from £585 to £2,642, a £2,057 spread on the same certified stone. Do Amore Diamonds lists it at £2,642. 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

3.46
Carat
G
Colour
VS2
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.5°
Pavilion angle39.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG578320717
Dimensions8.83 × 8.75 × 5.81 mm
L/W Ratio1.01
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
8.83 mm8.75 mm3.46 ctG / VS2
OriginLab Grown
CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG578320717
Side View
Table 61.0%Crown 34.5°Girdle: THK-THKPavilion 39.7°Culet: NoneDepth 66.4%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 26
Current: £2,642 GBP|Low: £357 GBP|High: £2,836 GBP|Avg: £1,464 GBP|-5.6%
Do Amore Diamonds
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
October 28, 2026
Retailer 6£357 GBP
Retailer 5£585 GBP
Retailer 2£586 GBP
Retailer 10£605 GBP
Retailer 9£831 GBP
Retailer 7£933 GBP
Retailer 4£1,499 GBP
Retailer 3£1,843 GBP
Retailer 11£2,101 GBP
Do Amore Diamonds£2,642 GBP
Retailer 8£2,739 GBP

18 data points across 11 retailers

5 retailers£585 GBP to £2,642 GBP

B+
Cheapest Retailer
-
£585 GBP
$784 USD
B+
Retailer 2
-
£586 GBP
$785 USD
View
Retailer 3
-
£933 GBP
$1,250 USD
View
Price last confirmed 7 days ago
B+
Retailer 4
-
£1,499 GBP
View
Most Expensive
B
Do Amore Diamonds
27-6FE848BCD · Oct 28
£2,642 GBP
$3,540 USD
View
4 more retailers have this diamond
Prices start from £585 GBPSave up to £2,057 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+
3.46ct Cushion
£585 GBP