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Cushion|Lab Grown|IGI

3.11ct H VVS2 Cushion Lab Grown Diamond

ID • H/VVS2 • IGI LG522239697

Shape and cutting style on the report: Cushion brilliant

Certificate IGI LG522239697

Diamond specifications and retailer prices

From £559 GBP
$749 USD
As of October 31, 2026
Save £2,792 GBP (83%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: £3,351 GBP at Brilliant Earth · As of October 29, 2026
View at Brilliant Earth

About this 3.11ct lab-grown cushion diamond

This 3.11ct lab-grown cushion sits in the three to five carat band, graded H colour (near-colourless) and VVS2 clarity (very-very-slightly-included), with a top-tier cut grade and certified by IGI LG522239697 or 522239697. Listed at 15 retailers as of October 29, 2026, with prices from £559 to £3,351, a £2,792 spread on the same certified stone. Brilliant Earth lists it at £3,351. 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

3.11
Carat
H
Colour
VVS2
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.1°
Pavilion angle35.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG522239697
Dimensions8.39 × 7.88 × 5.31 mm
L/W Ratio1.06
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
8.39 mm7.88 mm3.11 ctH / VVS2
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG522239697
Side View
Table 61.5%Crown 33.1°Girdle: STK-VTKPavilion 35.5°Culet: NoneDepth 67.4%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 31
Current: £3,351 GBP|Low: £357 GBP|High: £5,400 GBP|Avg: £1,715 GBP|-2.8%
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
Retailer 15
October 30, 2026
Retailer 4£559 GBP
Retailer 12£579 GBP
Retailer 8£656 GBP
Retailer 11£713 GBP
Retailer 3£808 GBP
Retailer 14£869 GBP
Retailer 13£943 GBP
Retailer 2£1,308 GBP
Retailer 10£1,344 GBP
Retailer 15£1,797 GBP
Retailer 6£1,997 GBP
Retailer 5£2,007 GBP
Retailer 9£2,452 GBP
Brilliant Earth£3,351 GBP
Retailer 7£5,400 GBP

35 data points across 15 retailers

15 retailers£559 GBP to £3,351 GBP

A
Cheapest Retailer
-
£559 GBP
$749 USD
Final sale: no returns
Retailer 2
-
£579 GBP
$776 USD
View
Price last confirmed 15 days ago
A
Retailer 3
-
£656 GBP
View
A
Retailer 4
-
£713 GBP
$955 USD
View
A
Retailer 5
-
£808 GBP
$1,082 USD
View
A
Retailer 6
-
£869 GBP
$1,164 USD
View
A
Retailer 7
-
£943 GBP
$1,264 USD
View
B+
Retailer 8
-
£1,308 GBP
A$2,696 AUD
View
B+
Retailer 9
-
£1,344 GBP
ZAR 29,098 ZAR
View
B
Retailer 10
-
£1,797 GBP
View
B
Retailer 11
-
£1,997 GBP
$2,676 USD
View
B
Retailer 12
-
£2,007 GBP
$2,689 USD
View
B
Retailer 13
-
£2,073 GBP
HK$21,700 HKD
View
B
Retailer 14
-
£2,452 GBP
View
Most Expensive
B
Brilliant Earth
17971805A · Oct 29
£3,351 GBP
$4,490 USD
View
14 more retailers have this diamond
Prices start from £559 GBPSave up to £2,792 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
3.11ct Cushion
£559 GBP