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Marquise|Lab Grown|IGI

3.14ct E VVS1 Marquise Lab Grown Diamond

ID • E/VVS1 • IGI LG840662239

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG840662239

Diamond specifications and retailer prices

From £610 GBP
$817 USD
As of October 30, 2026
Save £2,203 GBP (78%) vs most expensive(unlock to see where)
24 retailers carry this diamond
Most expensive: £4,135 GBP at Rare Carat · As of October 7, 2026
View at Rare Carat

About this 3.14ct lab-grown marquise diamond

This 3.14ct lab-grown marquise sits in the three to five carat band, graded E colour (colourless) and VVS1 clarity (very-very-slightly-included), with a top-tier cut grade and certified by IGI LG840662239 or 840662239. Listed at 24 retailers as of October 30, 2026, with a 361% 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

3.14
Carat
E
Colour
VVS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle39.1°
Pavilion angle39.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG840662239
Dimensions14.63 × 7.52 × 4.75 mm
L/W Ratio1.95
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
14.63 mm7.52 mm3.14 ctE / VVS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG840662239
Side View
Table 63.0%Crown 39.1°Girdle: STK-THKPavilion 39.3°Culet: NoneDepth 63.2%

Caratlytics Score

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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 30
Current: £823 GBP|Low: £610 GBP|High: £2,852 GBP|Avg: £1,473 GBP|-2.3%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
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Retailer 21
October 30, 2026
Retailer 2£610 GBP
Retailer 19£663 GBP
Retailer 6£683 GBP
Retailer 10£708 GBP
Retailer 13£716 GBP
Retailer 1£823 GBP
Retailer 4£840 GBP
Retailer 21£986 GBP
Retailer 18£1,014 GBP
Retailer 17£1,072 GBP
Retailer 12£1,086 GBP
Retailer 5£1,467 GBP
Retailer 11£1,605 GBP
Retailer 3£1,626 GBP
Retailer 16£1,643 GBP
Retailer 8£1,989 GBP
Retailer 14£2,252 GBP
Retailer 7£2,449 GBP
Retailer 20£2,536 GBP
Retailer 15£2,666 GBP
Retailer 9£2,813 GBP

20 data points across 21 retailers

24 retailers£610 GBP to £2,813 GBP

A
Cheapest Retailer
-
£610 GBP
$817 USD
A
Retailer 2
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£663 GBP
$889 USD
View
A
Retailer 3
-
£683 GBP
$915 USD
View
Final sale: no returns
A
Retailer 4
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£708 GBP
$948 USD
View
Retailer 5
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£716 GBP
$959 USD
View
Price last confirmed 14 days ago
A
Retailer 6
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£823 GBP
View
A
Retailer 7
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£840 GBP
$1,125 USD
View
A
Retailer 8
-
£986 GBP
$1,321 USD
View
A
Retailer 9
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£1,014 GBP
$1,358 USD
View
A
Retailer 10
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£1,072 GBP
€1,368 EUR
View
A
Retailer 11
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£1,086 GBP
View
A
Retailer 12
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£1,467 GBP
$1,966 USD
View
Retailer 13
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£1,605 GBP
A$3,309 AUD
View
Price last confirmed 9 days ago
B+
Retailer 14
-
£1,626 GBP
$2,179 USD
View
B+
Retailer 15
-
£1,643 GBP
ZAR 35,554 ZAR
View
B+
Retailer 16
-
£1,989 GBP
$2,665 USD
View
B
Retailer 17
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£2,252 GBP
$3,018 USD
View
B+
Retailer 18
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£2,449 GBP
$3,281 USD
View
B+
Retailer 19
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£2,536 GBP
$3,398 USD
View
B+
Retailer 20
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£2,666 GBP
View
Retailer 21
-
£2,743 GBP
A$5,654 AUD
View
Price last confirmed 22 days ago
B+
Retailer 22
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£2,813 GBP
SGD 5,093 SGD
View
Retailer 23
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£3,340 GBP
$4,475 USD
View
Price last confirmed 18 days ago
Most Expensive
Rare Carat
CN317-48A · Oct 7
£4,135 GBP
$5,540 USD
View
Price last confirmed 24 days ago
23 more retailers have this diamond
Prices start from £610 GBPSave up to £2,203 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 Marquise
£610 GBP