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Cushion|Lab Grown|IGI

3.18ct H VS2 Cushion Lab Grown Diamond

ID • H/VS2 • IGI LG849632515

Shape and cutting style on the report: Cushion modified brilliant

Certificate IGI LG849632515

Diamond specifications and retailer prices

From £466 GBP
€596 EUR
As of November 2, 2026
Save £795 GBP (63%) vs most expensive(unlock to see where)
4 retailers carry this diamond
Most expensive: £1,262 GBP at With Clarity · As of November 2, 2026
View at With Clarity

About this 3.18ct lab-grown cushion diamond

This 3.18ct 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 LG849632515 or 849632515. Listed at 4 retailers as of November 2, 2026, with prices from £466 to £1,262, a £795 spread on the same certified stone. With Clarity lists it at £1,262. 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

3.18
Carat
H
Colour
VS2
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.9°
Pavilion angle38.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG849632515
Dimensions10.59 × 7.53 × 5.09 mm
L/W Ratio1.41
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
10.59 mm7.53 mm3.18 ctH / VS2
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG849632515
Side View
Table 63.0%Crown 34.9°Girdle: MED-STKPavilion 38.5°Culet: NoneDepth 67.6%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Nov 2
Current: £466 GBP|Low: £466 GBP|High: £1,262 GBP|Avg: £897 GBP|+0.2%
Retailer 1
Retailer 2
Retailer 3
With Clarity
November 2, 2026
Retailer 1£466 GBP
Retailer 3£586 GBP
Retailer 2£1,156 GBP
With Clarity£1,262 GBP

8 data points across 4 retailers

4 retailers£466 GBP to £1,262 GBP

A
Cheapest Retailer
-
£466 GBP
€596 EUR
A
Retailer 2
-
£586 GBP
$787 USD
View
B+
Retailer 3
-
£1,156 GBP
View
Most Expensive
B+
With Clarity
849632515 · Nov 2
£1,262 GBP
$1,693 USD
View
3 more retailers have this diamond
Prices start from £466 GBPSave up to £795 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
3.18ct Cushion
£466 GBP