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Cushion|Lab Grown|IGI

3.49ct H VS2 Cushion Lab Grown Diamond

ID • H/VS2 • IGI LG611390830

Shape and cutting style on the report: Cushion brilliant

Certificate IGI LG611390830

Diamond specifications and retailer prices

From £1,754 GBP
$2,350 USD
As of October 31, 2026
3 retailers carry this diamond
Most expensive: £1,754 GBP at Brilliant Earth
View at Brilliant Earth

About this 3.49ct lab-grown cushion diamond

This 3.49ct 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 LG611390830 or 611390830. Listed at 3 retailers as of October 31, 2026. 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

3.49
Carat
H
Colour
VS2
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.7°
Pavilion angle38.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG611390830
Dimensions9.99 × 8.11 × 5.57 mm
L/W Ratio1.23
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
9.99 mm8.11 mm3.49 ctH / VS2
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG611390830
Side View
Table 62.0%Crown 33.7°Girdle: MED-STKPavilion 38.5°Culet: NoneDepth 68.7%

Caratlytics Score

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B
Good
Decent quality, room for better deals
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Price History

Last verified: Oct 31
Current: £1,754 GBP|Low: £309 GBP|High: £48,187 GBP|Avg: £5,840 GBP|-19.2%
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
August 27, 2026
Retailer 12£309 GBP
Retailer 6£522 GBP
Retailer 2£581 GBP
Retailer 4£648 GBP
Retailer 5£713 GBP
Retailer 11£726 GBP
Retailer 10£1,342 GBP
Retailer 9£1,361 GBP
Retailer 8£1,704 GBP
Brilliant Earth£1,754 GBP
Retailer 7£2,717 GBP
Retailer 3£48,187 GBP

77 data points across 12 retailers

3 retailers

Retailer 1
-
£1,351 GBP
$1,811 USD
Price last confirmed 75 days ago
Retailer 2
-
£1,361 GBP
$1,824 USD
View
Price last confirmed 62 days ago
Most Expensive
B
Brilliant Earth
8855766Y · Oct 31
£1,754 GBP
$2,350 USD
View
2 more retailers have this diamond

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
3.49ct Cushion
£1,754 GBP