CaratHunter
Plans
Marquise|Lab Grown|IGI

4.05ct H VVS2 Marquise Lab Grown Diamond

EX • H/VVS2 • IGI LG838651608

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG838651608

Diamond specifications and retailer prices

From £371 GBP
$498 USD
As of November 1, 2026
Save £2,081 GBP (85%) vs most expensive(unlock to see where)
4 retailers carry this diamond
Most expensive: £2,452 GBP at Brilliant Earth · As of November 2, 2026
View at Brilliant Earth

About this 4.05ct lab-grown marquise diamond

This 4.05ct lab-grown marquise sits in the three to five carat band, graded H colour (near-colourless) and VVS2 clarity (very-very-slightly-included), with a top-tier cut grade and certified by IGI LG838651608 or 838651608. Listed at 4 retailers as of November 1, 2026, with prices from £371 to £2,452, a £2,081 spread on the same certified stone. Brilliant Earth lists it at £2,452. 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
H
Colour
VVS2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.8°
Pavilion angle40.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG838651608
Dimensions16.77 × 8.16 × 5.23 mm
L/W Ratio2.06
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
16.77 mm8.16 mm4.05 ctH / VVS2
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG838651608
Side View
Table 58.0%Crown 35.8°Girdle: MED-STKPavilion 40.8°Culet: NoneDepth 64.1%

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 1
Current: £2,452 GBP|Low: £371 GBP|High: £2,780 GBP|Avg: £1,604 GBP|-11.8%
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
November 2, 2026
Retailer 3£371 GBP
Retailer 2£698 GBP
Retailer 4£2,332 GBP
Brilliant Earth£2,452 GBP

34 data points across 4 retailers

4 retailers£371 GBP to £2,452 GBP

A
Cheapest Retailer
-
£371 GBP
$498 USD
Final sale: no returns
A
Retailer 2
-
£698 GBP
View
Retailer 3
-
£2,332 GBP
$3,130 USD
View
Price last confirmed 26 days ago
Most Expensive
B+
Brilliant Earth
21542432A · Nov 2
£2,452 GBP
$3,290 USD
View
3 more retailers have this diamond
Prices start from £371 GBPSave up to £2,081 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
£371 GBP