Marquise|Lab Grown|IGI

5.10ct E VS1 Marquise Lab Grown Diamond

ID • E/VS1 • IGI LG834612736

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG834612736

Diamond specifications and retailer prices

From £594 GBP
$796 USD
As of October 30, 2026
Save £2,384 GBP (80%) vs most expensive(unlock to see where)
21 retailers carry this diamond
Most expensive: £6,313 GBP at Queensmith · As of October 10, 2026
View at Queensmith

About this 5.1ct lab-grown marquise diamond

This 5.1ct lab-grown marquise sits in the over five carat band, graded E colour (colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG834612736 or 834612736. Listed at 21 retailers as of October 30, 2026, with a 401% 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

5.10
Carat
E
Colour
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.4°
Pavilion angle40.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG834612736
Dimensions18.16 × 8.89 × 5.61 mm
L/W Ratio2.04
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
18.16 mm8.89 mm5.10 ctE / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG834612736
Side View
Table 57.0%Crown 35.4°Girdle: MED-STKPavilion 40.6°Culet: NoneDepth 63.1%

Caratlytics Score

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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 30
Current: £2,978 GBP|Low: £594 GBP|High: £3,059 GBP|Avg: £1,676 GBP|-1.4%
Retailer 1
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Retailer 20
October 31, 2026
Retailer 3£594 GBP
Retailer 9£648 GBP
Retailer 2£664 GBP
Retailer 4£690 GBP
Retailer 13£771 GBP
Retailer 14£821 GBP
Retailer 19£979 GBP
Retailer 12£1,057 GBP
Retailer 16£1,396 GBP
Retailer 7£1,403 GBP
Retailer 5£1,561 GBP
Retailer 17£1,643 GBP
Retailer 11£1,760 GBP
Retailer 8£1,942 GBP
Retailer 15£2,138 GBP
Retailer 18£2,182 GBP
Retailer 10£2,207 GBP
Retailer 20£2,383 GBP
Retailer 6£2,603 GBP
Retailer 1£2,978 GBP

27 data points across 20 retailers

21 retailers£594 GBP to £2,978 GBP

A
Cheapest Retailer
-
£594 GBP
$796 USD
A
Retailer 2
-
£648 GBP
$868 USD
View
A
Retailer 3
-
£664 GBP
$890 USD
View
Final sale: no returns
A
Retailer 4
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£690 GBP
$925 USD
View
Retailer 5
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£771 GBP
$1,033 USD
View
Price last confirmed 14 days ago
A
Retailer 6
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£821 GBP
$1,100 USD
View
B+
Retailer 7
-
£979 GBP
$1,312 USD
View
A
Retailer 8
-
£1,057 GBP
View
A
Retailer 9
-
£1,396 GBP
A$2,878 AUD
View
A
Retailer 10
-
£1,403 GBP
ZAR 30,374 ZAR
View
B+
Retailer 11
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£1,561 GBP
€1,992 EUR
View
B+
Retailer 12
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£1,643 GBP
$2,201 USD
View
B+
Retailer 13
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£1,760 GBP
$2,358 USD
View
B+
Retailer 14
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£1,942 GBP
$2,602 USD
View
B+
Retailer 15
-
£2,138 GBP
View
B+
Retailer 16
-
£2,182 GBP
$2,924 USD
View
B+
Retailer 17
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£2,207 GBP
$2,957 USD
View
B+
Retailer 18
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£2,383 GBP
$3,193 USD
View
B+
Retailer 19
-
£2,603 GBP
View
B
Retailer 20
-
£2,978 GBP
A$6,138 AUD
View
Most Expensive
Queensmith
LG834612736 · Oct 10
£6,313 GBP
View
Price last confirmed 21 days ago
20 more retailers have this diamond
Prices start from £594 GBPSave up to £2,384 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
5.10ct Marquise
£594 GBP