Marquise|Lab Grown|IGI

4.64ct E VS1 Marquise Lab Grown Diamond

ID • E/VS1 • IGI LG807626657

Shape and cutting style on the report: Hexagonal modified brilliant

Certificate IGI LG807626657

Diamond specifications and retailer prices

From £916 GBP
$1,228 USD
As of November 2, 2026
Save £2,501 GBP (73%) vs most expensive(unlock to see where)
8 retailers carry this diamond
Most expensive: £3,417 GBP at Taylor and Hart · As of October 31, 2026
View at Taylor and Hart

About this 4.64ct lab-grown marquise diamond

This 4.64ct 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 LG807626657 or 807626657. Listed at 8 retailers as of October 31, 2026, with prices from £916 to £3,417, a £2,501 spread on the same certified stone. Taylor and Hart lists it at £3,417. 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

4.64
Carat
E
Colour
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.8°
Pavilion angle41.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG807626657
Dimensions16.46 × 7.97 × 5.35 mm
L/W Ratio2.07
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
16.46 mm7.97 mm4.64 ctE / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG807626657
Side View
Table 63.0%Crown 33.8°Girdle: MediumPavilion 41.5°Culet: NoneDepth 67.1%

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 2
Current: £3,138 GBP|Low: £1,105 GBP|High: £4,178 GBP|Avg: £2,552 GBP|-17.8%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Taylor and Hart
November 1, 2026
Retailer 5£1,105 GBP
Retailer 3£1,554 GBP
Retailer 2£1,556 GBP
Retailer 7£2,134 GBP
Retailer 4£2,957 GBP
Retailer 1£3,138 GBP
Retailer 6£3,273 GBP
Taylor and Hart£3,417 GBP

23 data points across 8 retailers

8 retailers£916 GBP to £3,417 GBP

A
Cheapest Retailer
-
£916 GBP
$1,228 USD
A
Retailer 2
-
£1,105 GBP
$1,480 USD
View
A
Retailer 3
-
£1,554 GBP
$2,082 USD
View
A
Retailer 4
-
£1,556 GBP
€1,986 EUR
View
B
Retailer 5
-
£2,957 GBP
$3,963 USD
View
B
Retailer 6
-
£3,138 GBP
View
B
Retailer 7
-
£3,273 GBP
SGD 5,926 SGD
View
Most Expensive
B
Taylor and Hart
3A4KTEG · Oct 31
£3,417 GBP
$4,579 USD
View
7 more retailers have this diamond
Prices start from £916 GBPSave up to £2,501 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
4.64ct Marquise
£916 GBP