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Cushion|Lab Grown|IGI

3.16ct H VS2 Cushion Lab Grown Diamond

ID • H/VS2 • IGI LG522237391

Shape and cutting style on the report: Square cushion brilliant

Certificate IGI LG522237391

Diamond specifications and retailer prices

From £2,787 GBP
$3,740 USD
As of November 2, 2026
Save £4,306 GBP (61%) vs most expensive(unlock to see where)
8 retailers carry this diamond
Most expensive: £10,528 GBP at Flawless Fine Jewelry · As of November 2, 2026
View at Flawless Fine Jewelry

About this 3.16ct lab-grown cushion diamond

This 3.16ct 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 LG522237391 or 522237391. Listed at 8 retailers as of November 1, 2026, with a 155% 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

3.16
Carat
H
Colour
VS2
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle32.6°
Pavilion angle34.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG522237391
Dimensions8.53 × 8.23 × 5.20 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
8.53 mm8.23 mm3.16 ctH / VS2
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG522237391
Side View
Table 62.5%Crown 32.6°Girdle: STK-VTKPavilion 34.4°Culet: NoneDepth 63.2%

Caratlytics Score

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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: £10,528 GBP|Low: £2,787 GBP|High: £19,213 GBP|Avg: £8,646 GBP
Flawless Fine Jewelry
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
November 1, 2026
Retailer 5£2,787 GBP
Retailer 12£5,019 GBP
Retailer 4£6,121 GBP
Retailer 10£6,775 GBP
Retailer 8£7,093 GBP
Retailer 7£7,348 GBP
Retailer 11£7,501 GBP
Retailer 6£8,501 GBP
Retailer 3£9,466 GBP
Flawless Fine Jewelry£10,528 GBP
Retailer 2£13,377 GBP
Retailer 9£19,213 GBP

15 data points across 12 retailers

8 retailers£2,787 GBP to £7,093 GBP

B
Cheapest Retailer
-
£2,787 GBP
$3,740 USD
B
Retailer 2
-
£6,775 GBP
$9,091 USD
View
B
Retailer 3
-
£7,093 GBP
$9,519 USD
View
Final sale: no returns
Retailer 4
-
£7,348 GBP
$9,860 USD
View
Price last confirmed 17 days ago
Retailer 5
-
£8,501 GBP
$11,408 USD
View
Price under review
Most Expensive
Flawless Fine Jewelry
3A9B3E630 · Nov 2
£10,528 GBP
View
Price under review
5 more retailers have this diamond
Prices start from £2,787 GBPSave up to £4,306 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
3.16ct Cushion
£2,787 GBP