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Marquise|Lab Grown|IGI

3.10ct E VS1 Marquise Lab Grown Diamond

ID • E/VS1 • IGI LG851626429

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG851626429

Diamond specifications and retailer prices

From £394 GBP
As of November 4, 2026
Save £1,644 GBP (81%) vs most expensive(unlock to see where)
21 retailers carry this diamond
Most expensive: £2,038 GBP at MOH London · As of November 3, 2026
View at MOH London

About this 3.1ct lab-grown marquise diamond

This 3.1ct lab-grown marquise sits in the three to five carat band, graded E colour (colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG851626429 or 851626429. Listed at 21 retailers as of November 3, 2026, with prices from £394 to £2,038, a £1,644 spread on the same certified stone. MOH London lists it at £2,038. 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

3.10
Carat
E
Colour
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.8°
Pavilion angle40.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG851626429
Dimensions14.94 × 7.61 × 4.85 mm
L/W Ratio1.96
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
14.94 mm7.61 mm3.10 ctE / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG851626429
Side View
Table 61.0%Crown 36.8°Girdle: MED-STKPavilion 40.9°Culet: NoneDepth 63.7%

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: Nov 4
Current: £2,038 GBP|Low: £394 GBP|High: £2,038 GBP|Avg: £1,043 GBP
MOH London
Retailer 2
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Retailer 21
November 5, 2026
Retailer 12£394 GBP
Retailer 10£440 GBP
Retailer 18£441 GBP
Retailer 21£488 GBP
Retailer 2£553 GBP
Retailer 4£591 GBP
Retailer 19£654 GBP
Retailer 15£750 GBP
Retailer 8£753 GBP
Retailer 7£1,007 GBP
Retailer 13£1,034 GBP
Retailer 17£1,060 GBP
Retailer 6£1,071 GBP
Retailer 16£1,084 GBP
Retailer 3£1,284 GBP
Retailer 11£1,586 GBP
Retailer 14£1,602 GBP
Retailer 20£1,669 GBP
Retailer 5£1,742 GBP
Retailer 9£1,811 GBP
MOH London£2,038 GBP

7 data points across 21 retailers

21 retailers£394 GBP to £2,038 GBP

A
Cheapest Retailer
-
£394 GBP
A
Retailer 2
-
£440 GBP
View
Final sale: no returns
A
Retailer 3
-
£441 GBP
View
A
Retailer 4
-
£488 GBP
View
A
Retailer 5
-
£553 GBP
View
A
Retailer 6
-
£591 GBP
View
B+
Retailer 7
-
£654 GBP
View
A
Retailer 8
-
£750 GBP
View
A
Retailer 9
-
£753 GBP
View
B+
Retailer 10
-
£1,007 GBP
View
B+
Retailer 11
-
£1,034 GBP
View
B+
Retailer 12
-
£1,060 GBP
View
B+
Retailer 13
-
£1,071 GBP
View
B+
Retailer 14
-
£1,084 GBP
View
B+
Retailer 15
-
£1,284 GBP
View
B+
Retailer 16
-
£1,586 GBP
View
B+
Retailer 17
-
£1,602 GBP
View
B
Retailer 18
-
£1,669 GBP
View
B
Retailer 19
-
£1,742 GBP
View
B
Retailer 20
-
£1,811 GBP
View
Most Expensive
B
MOH London
LG851626429 · Nov 3
£2,038 GBP
View
20 more retailers have this diamond
Prices start from £394 GBPSave up to £1,644 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
3.10ct Marquise
£394 GBP