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Cushion|Lab Grown|IGI

3.16ct I VS2 Cushion Lab Grown Diamond

ID • I/VS2 • IGI LG544242734

Shape and cutting style on the report: Square cushion brilliant

Certificate IGI LG544242734

Diamond specifications and retailer prices

From £357 GBP
$478 USD
As of October 25, 2026
Save £1,040 GBP (74%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: £1,445 GBP at Michael Trio · As of October 13, 2026
View at Michael Trio

About this 3.16ct lab-grown cushion diamond

This 3.16ct lab-grown cushion sits in the three to five carat band, graded I colour (near-colourless) and VS2 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG544242734 or 544242734. Listed at 11 retailers as of October 25, 2026, with a 292% 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
I
Colour
VS2
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.2°
Pavilion angle40.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG544242734
Dimensions8.41 × 8.34 × 5.73 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
8.41 mm8.34 mm3.16 ctI / VS2
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG544242734
Side View
Table 65.5%Crown 35.2°Girdle: MED-THKPavilion 40.6°Culet: NoneDepth 68.7%

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 25
Current: £1,445 GBP|Low: £357 GBP|High: £2,411 GBP|Avg: £977 GBP
Michael Trio
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
October 30, 2026
Retailer 3£357 GBP
Retailer 8£384 GBP
Retailer 11£455 GBP
Retailer 7£463 GBP
Retailer 10£575 GBP
Retailer 2£638 GBP
Retailer 9£725 GBP
Retailer 5£1,176 GBP
Retailer 6£1,239 GBP
Retailer 4£1,308 GBP
Retailer 12£1,342 GBP
Retailer 13£1,397 GBP
Michael Trio£1,445 GBP

33 data points across 13 retailers

11 retailers£357 GBP to £1,397 GBP

A
Cheapest Retailer
-
£357 GBP
$478 USD
A
Retailer 2
-
£384 GBP
View
A
Retailer 3
-
£455 GBP
$610 USD
View
B+
Retailer 4
-
£463 GBP
$620 USD
View
A
Retailer 5
-
£575 GBP
€734 EUR
View
A
Retailer 6
-
£638 GBP
$855 USD
View
A
Retailer 7
-
£725 GBP
$972 USD
View
B+
Retailer 8
-
£1,239 GBP
$1,660 USD
View
B+
Retailer 9
-
£1,342 GBP
View
B+
Retailer 10
-
£1,397 GBP
View
Most Expensive
Michael Trio
1825482671 · Oct 13
£1,445 GBP
SGD 2,617 SGD
View
Price last confirmed 18 days ago
10 more retailers have this diamond
Prices start from £357 GBPSave up to £1,040 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
3.16ct Cushion
£357 GBP