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Cushion|Lab Grown|IGI

3.14ct H VVS2 Cushion Lab Grown Diamond

ID • H/VVS2 • IGI LG677514600

Shape and cutting style on the report: Square cushion modified brilliant

Certificate IGI LG677514600

Diamond specifications and retailer prices

From £316 GBP
$424 USD
As of October 31, 2026
Save £2,139 GBP (87%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: £2,455 GBP at Brilliant Earth · As of October 29, 2026
View at Brilliant Earth

About this 3.14ct lab-grown cushion diamond

This 3.14ct 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 LG677514600 or 677514600. Listed at 14 retailers as of October 29, 2026, with prices from £316 to £2,455, a £2,139 spread on the same certified stone. Brilliant Earth lists it at £2,455. 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

3.14
Carat
H
Colour
VVS2
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.2°
Pavilion angle35.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG677514600
Dimensions8.63 × 8.17 × 5.39 mm
L/W Ratio1.06
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
8.63 mm8.17 mm3.14 ctH / VVS2
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG677514600
Side View
Table 63.0%Crown 33.2°Girdle: MED-STKPavilion 35.6°Culet: NoneDepth 66.0%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Oct 31
Current: £2,455 GBP|Low: £316 GBP|High: £2,500 GBP|Avg: £943 GBP|+1.5%
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
October 31, 2026
Retailer 6£316 GBP
Retailer 4£355 GBP
Retailer 2£459 GBP
Retailer 9£552 GBP
Retailer 8£584 GBP
Retailer 12£618 GBP
Retailer 14£738 GBP
Retailer 3£761 GBP
Retailer 7£807 GBP
Retailer 10£1,142 GBP
Retailer 11£1,342 GBP
Retailer 13£1,377 GBP
Retailer 5£1,526 GBP
Brilliant Earth£2,455 GBP

37 data points across 14 retailers

14 retailers£316 GBP to £2,455 GBP

A
Cheapest Retailer
-
£316 GBP
$424 USD
Final sale: no returns
A
Retailer 2
-
£355 GBP
$476 USD
View
A
Retailer 3
-
£459 GBP
$615 USD
View
B+
Retailer 4
-
£552 GBP
$739 USD
View
A
Retailer 5
-
£584 GBP
$782 USD
View
A
Retailer 6
-
£618 GBP
€788 EUR
View
A
Retailer 7
-
£738 GBP
A$1,521 AUD
View
A
Retailer 8
-
£761 GBP
ZAR 16,470 ZAR
View
A
Retailer 9
-
£807 GBP
$1,081 USD
View
A
Retailer 10
-
£1,142 GBP
$1,530 USD
View
B+
Retailer 11
-
£1,342 GBP
View
B+
Retailer 12
-
£1,377 GBP
View
Retailer 13
-
£1,526 GBP
$2,045 USD
View
Price last confirmed 12 days ago
Most Expensive
B
Brilliant Earth
14305134A · Oct 29
£2,455 GBP
$3,290 USD
View
13 more retailers have this diamond
Prices start from £316 GBPSave up to £2,139 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
3.14ct Cushion
£316 GBP