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Marquise|Lab Grown|IGI

4.01ct D VS2 Marquise Lab Grown Diamond

EX • D/VS2 • IGI LG819645200

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG819645200

Diamond specifications and retailer prices

From £769 GBP
$1,030 USD
As of October 27, 2026
Save £2,294 GBP (75%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: £3,063 GBP at Taylor and Hart · As of October 26, 2026
View at Taylor and Hart

About this 4.01ct lab-grown marquise diamond

This 4.01ct lab-grown marquise sits in the three to five carat band, graded D colour (colourless) and VS2 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG819645200 or 819645200. Listed at 12 retailers as of October 26, 2026, with prices from £769 to £3,063, a £2,294 spread on the same certified stone. Taylor and Hart lists it at £3,063. 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

4.01
Carat
D
Colour
VS2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.9°
Pavilion angle39.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG819645200
Dimensions16.94 × 8.16 × 5.07 mm
L/W Ratio2.08
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
16.94 mm8.16 mm4.01 ctD / VS2
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG819645200
Side View
Table 59.0%Crown 35.9°Girdle: MED-STKPavilion 39.5°Culet: NoneDepth 62.1%

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: Oct 27
Current: £826 GBP|Low: £769 GBP|High: £5,896 GBP|Avg: £2,156 GBP|-0.7%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Taylor and Hart
October 27, 2026
Retailer 10£769 GBP
Retailer 1£826 GBP
Retailer 9£836 GBP
Retailer 6£891 GBP
Retailer 5£1,294 GBP
Retailer 2£1,423 GBP
Retailer 11£1,496 GBP
Retailer 7£1,671 GBP
Retailer 3£2,423 GBP
Retailer 12£2,789 GBP
Retailer 8£2,847 GBP
Taylor and Hart£3,063 GBP
Retailer 4£5,896 GBP

23 data points across 13 retailers

12 retailers£769 GBP to £3,063 GBP

A
Cheapest Retailer
-
£769 GBP
$1,030 USD
A
Retailer 2
-
£826 GBP
View
Retailer 3
-
£836 GBP
$1,120 USD
View
Price last confirmed 7 days ago
A
Retailer 4
-
£891 GBP
$1,194 USD
View
A
Retailer 5
-
£1,294 GBP
View
A
Retailer 6
-
£1,423 GBP
$1,906 USD
View
B+
Retailer 7
-
£1,496 GBP
$2,004 USD
View
B+
Retailer 8
-
£1,671 GBP
$2,239 USD
View
B
Retailer 9
-
£2,423 GBP
View
B
Retailer 10
-
£2,789 GBP
$3,737 USD
View
B
Retailer 11
-
£2,847 GBP
View
Most Expensive
B
Taylor and Hart
PINWT9B · Oct 26
£3,063 GBP
$4,104 USD
View
11 more retailers have this diamond
Prices start from £769 GBPSave up to £2,294 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
4.01ct Marquise
£769 GBP