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Marquise|Lab Grown|IGI

3.18ct E VVS1 Marquise Lab Grown Diamond

ID • E/VVS1 • IGI LG847646058

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG847646058

Diamond specifications and retailer prices

From £553 GBP
$741 USD
As of October 27, 2026
Save £3,141 GBP (85%) vs most expensive(unlock to see where)
21 retailers carry this diamond
Most expensive: £3,694 GBP at Brilliant Earth · As of October 30, 2026
View at Brilliant Earth

About this 3.18ct lab-grown marquise diamond

This 3.18ct 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 LG847646058 or 847646058. Listed at 21 retailers as of October 27, 2026, with prices from £553 to £3,694, a £3,141 spread on the same certified stone. Brilliant Earth lists it at £3,694. 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
E
Colour
VVS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle40.1°
Pavilion angle40.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG847646058
Dimensions14.76 × 7.56 × 4.81 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
14.76 mm7.56 mm3.18 ctE / VVS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG847646058
Side View
Table 60.0%Crown 40.1°Girdle: MED-STKPavilion 40.6°Culet: NoneDepth 63.6%

Caratlytics Score

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

Price History

Last verified: Oct 27
Current: £3,694 GBP|Low: £553 GBP|High: £3,694 GBP|Avg: £1,375 GBP
Brilliant Earth
Retailer 2
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Retailer 21
October 31, 2026
Retailer 9£553 GBP
Retailer 12£613 GBP
Retailer 4£616 GBP
Retailer 10£654 GBP
Retailer 16£744 GBP
Retailer 6£772 GBP
Retailer 15£916 GBP
Retailer 13£922 GBP
Retailer 8£971 GBP
Retailer 17£1,026 GBP
Retailer 7£1,479 GBP
Retailer 19£1,484 GBP
Retailer 14£1,517 GBP
Retailer 2£1,575 GBP
Retailer 11£1,838 GBP
Retailer 21£2,082 GBP
Retailer 20£2,153 GBP
Retailer 5£2,204 GBP
Retailer 3£2,282 GBP
Retailer 18£2,524 GBP
Brilliant Earth£3,694 GBP

11 data points across 21 retailers

21 retailers£553 GBP to £3,694 GBP

A
Cheapest Retailer
-
£553 GBP
$741 USD
A
Retailer 2
-
£613 GBP
$822 USD
View
A
Retailer 3
-
£616 GBP
$826 USD
View
Final sale: no returns
A
Retailer 4
-
£654 GBP
$876 USD
View
A
Retailer 5
-
£744 GBP
View
A
Retailer 6
-
£772 GBP
$1,035 USD
View
A
Retailer 7
-
£916 GBP
$1,228 USD
View
A
Retailer 8
-
£922 GBP
$1,236 USD
View
A
Retailer 9
-
£971 GBP
€1,239 EUR
View
A
Retailer 10
-
£1,026 GBP
View
B+
Retailer 11
-
£1,479 GBP
$1,982 USD
View
B+
Retailer 12
-
£1,484 GBP
ZAR 32,127 ZAR
View
Retailer 13
-
£1,517 GBP
A$3,128 AUD
View
Price last confirmed 9 days ago
B+
Retailer 14
-
£1,575 GBP
$2,110 USD
View
B+
Retailer 15
-
£1,838 GBP
$2,463 USD
View
B+
Retailer 16
-
£2,082 GBP
$2,789 USD
View
B+
Retailer 17
-
£2,153 GBP
SGD 3,898 SGD
View
B+
Retailer 18
-
£2,204 GBP
$2,953 USD
View
B+
Retailer 19
-
£2,282 GBP
$3,058 USD
View
B+
Retailer 20
-
£2,524 GBP
View
Most Expensive
B
Brilliant Earth
22300138A · Oct 30
£3,694 GBP
$4,950 USD
View
20 more retailers have this diamond
Prices start from £553 GBPSave up to £3,141 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 Marquise
£553 GBP