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Cushion|Lab Grown|IGI

3.45ct H VS2 Cushion Lab Grown Diamond

ID • H/VS2 • IGI LG522237396

Shape and cutting style on the report: Square cushion brilliant

Certificate IGI LG522237396

Diamond specifications and retailer prices

From £1,709 GBP
$2,290 USD
As of October 31, 2026
Save £6,031 GBP (78%) vs most expensive(unlock to see where)
8 retailers carry this diamond
Most expensive: £11,488 GBP at Flawless Fine Jewelry · As of October 31, 2026
View at Flawless Fine Jewelry

About this 3.45ct lab-grown cushion diamond

This 3.45ct lab-grown cushion sits in the three to five carat band, graded H colour (near-colourless) and VS2 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG522237396 or 522237396. Listed at 8 retailers as of October 31, 2026, with a 353% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. Lab-grown prices in the 2ct and up range have fallen 40 to 60% over the last 18 months. Use the cross-retailer spread above to find the lowest current listing.

The 4Cs

3.45
Carat
H
Colour
VS2
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle30.1°
Pavilion angle33.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG522237396
Dimensions8.68 × 8.45 × 5.30 mm
L/W Ratio1.03
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
8.68 mm8.45 mm3.45 ctH / VS2
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG522237396
Side View
Table 64.5%Crown 30.1°Girdle: THK-VTKPavilion 33.5°Culet: NoneDepth 62.7%

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 31
Current: £11,488 GBP|Low: £1,709 GBP|High: £20,964 GBP|Avg: £9,739 GBP
Flawless Fine Jewelry
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
November 1, 2026
Retailer 4£1,709 GBP
Retailer 3£6,476 GBP
Retailer 9£7,406 GBP
Retailer 7£7,740 GBP
Retailer 5£8,017 GBP
Retailer 10£8,059 GBP
Retailer 6£9,272 GBP
Retailer 11£10,329 GBP
Flawless Fine Jewelry£11,488 GBP
Retailer 2£14,310 GBP
Retailer 8£20,964 GBP

15 data points across 11 retailers

8 retailers£1,709 GBP to £7,740 GBP

B+
Cheapest Retailer
-
£1,709 GBP
$2,290 USD
B
Retailer 2
-
£7,406 GBP
$9,923 USD
View
B
Retailer 3
-
£7,740 GBP
$10,371 USD
View
Final sale: no returns
Retailer 4
-
£8,017 GBP
$10,742 USD
View
Price last confirmed 16 days ago
Retailer 5
-
£9,272 GBP
$12,423 USD
View
Price under review
Most Expensive
Flawless Fine Jewelry
3A39911B5 · Oct 31
£11,488 GBP
View
Price under review
5 more retailers have this diamond
Prices start from £1,709 GBPSave up to £6,031 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+
3.45ct Cushion
£1,709 GBP