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Marquise|Lab Grown|IGI

4.05ct D VVS2 Marquise Lab Grown Diamond

ID • D/VVS2 • IGI LG849621607

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG849621607

Diamond specifications and retailer prices

From £1,266 GBP
As of October 28, 2026
Save £1,816 GBP (59%) vs most expensive(unlock to see where)
5 retailers carry this diamond
Most expensive: £3,082 GBP at Taylor and Hart · As of October 28, 2026
View at Taylor and Hart

About this 4.05ct lab-grown marquise diamond

This 4.05ct lab-grown marquise sits in the three to five carat band, graded D colour (colourless) and VVS2 clarity (very-very-slightly-included), with a top-tier cut grade and certified by IGI LG849621607 or 849621607. Listed at 5 retailers as of October 28, 2026, with prices from £1,266 to £3,082, a £1,816 spread on the same certified stone. Taylor and Hart lists it at £3,082. 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

4.05
Carat
D
Colour
VVS2
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle37.3°
Pavilion angle39.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG849621607
Dimensions16.01 × 8.33 × 5.16 mm
L/W Ratio1.92
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
16.01 mm8.33 mm4.05 ctD / VVS2
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG849621607
Side View
Table 63.0%Crown 37.3°Girdle: STK-THKPavilion 39.4°Culet: NoneDepth 61.9%

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 28
Current: £1,266 GBP|Low: £1,266 GBP|High: £3,082 GBP|Avg: £2,125 GBP|-0.0%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Taylor and Hart
October 28, 2026
Retailer 1£1,266 GBP
Retailer 4£1,276 GBP
Retailer 2£1,767 GBP
Retailer 3£3,000 GBP
Taylor and Hart£3,082 GBP

3 data points across 5 retailers

5 retailers£1,266 GBP to £3,082 GBP

A
Cheapest Retailer
-
£1,266 GBP
A
Retailer 2
-
£1,276 GBP
$1,710 USD
View
B+
Retailer 3
-
£1,767 GBP
$2,367 USD
View
B
Retailer 4
-
£3,000 GBP
View
Most Expensive
B
Taylor and Hart
V4VV6R5 · Oct 28
£3,082 GBP
$4,129 USD
View
4 more retailers have this diamond
Prices start from £1,266 GBPSave up to £1,816 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
4.05ct Marquise
£1,266 GBP