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Marquise|Lab Grown|IGI

4.00ct D VS2 Marquise Lab Grown Diamond

ID • D/VS2 • IGI LG821690815

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG821690815

Diamond specifications and retailer prices

From £1,178 GBP
$1,579 USD
As of October 30, 2026
Save £4,292 GBP (78%) vs most expensive(unlock to see where)
6 retailers carry this diamond
Most expensive: £5,471 GBP at Do Amore Diamonds · As of October 30, 2026
View at Do Amore Diamonds

About this 4ct lab-grown marquise diamond

This 4ct 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 LG821690815 or 821690815. Listed at 6 retailers as of October 30, 2026, with prices from £1,178 to £5,471, a £4,292 spread on the same certified stone. Do Amore Diamonds lists it at £5,471. 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

4.00
Carat
D
Colour
VS2
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.9°
Pavilion angle41.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG821690815
Dimensions16.59 × 8.09 × 5.19 mm
L/W Ratio2.05
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
16.59 mm8.09 mm4.00 ctD / VS2
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG821690815
Side View
Table 61.0%Crown 33.9°Girdle: MED-STKPavilion 41.4°Culet: NoneDepth 64.2%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 30
Current: £5,471 GBP|Low: £755 GBP|High: £5,471 GBP|Avg: £2,412 GBP
Do Amore Diamonds
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
October 28, 2026
Retailer 6£755 GBP
Retailer 4£1,178 GBP
Retailer 5£1,186 GBP
Retailer 2£2,526 GBP
Retailer 3£2,745 GBP
Retailer 7£2,991 GBP
Do Amore Diamonds£5,471 GBP

10 data points across 7 retailers

6 retailers£1,178 GBP to £5,471 GBP

A
Cheapest Retailer
-
£1,178 GBP
$1,579 USD
A
Retailer 2
-
£1,186 GBP
$1,589 USD
View
B
Retailer 3
-
£2,526 GBP
$3,385 USD
View
B
Retailer 4
-
£2,745 GBP
View
B
Retailer 5
-
£2,829 GBP
$3,790 USD
View
Most Expensive
B
Do Amore Diamonds
7-1790323 · Oct 30
£5,471 GBP
$7,330 USD
View
5 more retailers have this diamond
Prices start from £1,178 GBPSave up to £4,292 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
4.00ct Marquise
£1,178 GBP