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Marquise|Lab Grown|IGI

4.00ct G VVS2 Marquise Lab Grown Diamond

ID • G/VVS2 • IGI LG807671609

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG807671609

Diamond specifications and retailer prices

From £482 GBP
$646 USD
As of November 1, 2026
Save £3,095 GBP (87%) vs most expensive(unlock to see where)
6 retailers carry this diamond
Most expensive: £4,926 GBP at Brilliant Earth · As of October 12, 2026
View at Brilliant Earth

About this 4ct lab-grown marquise diamond

This 4ct lab-grown marquise sits in the three to five carat band, graded G colour (near-colourless) and VVS2 clarity (very-very-slightly-included), with a top-tier cut grade and certified by IGI LG807671609 or 807671609. Listed at 6 retailers as of October 31, 2026, with a 642% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. 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
G
Colour
VVS2
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.9°
Pavilion angle40.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG807671609
Dimensions16.07 × 8.20 × 5.30 mm
L/W Ratio1.96
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
16.07 mm8.20 mm4.00 ctG / VVS2
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG807671609
Side View
Table 58.0%Crown 34.9°Girdle: MED-STKPavilion 40.5°Culet: NoneDepth 64.6%

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: £4,926 GBP|Low: £482 GBP|High: £5,329 GBP|Avg: £1,690 GBP|+0.5%
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
October 28, 2026
Retailer 6£482 GBP
Retailer 11£608 GBP
Retailer 8£664 GBP
Retailer 9£828 GBP
Retailer 10£1,109 GBP
Retailer 4£1,202 GBP
Retailer 3£1,331 GBP
Retailer 12£1,650 GBP
Retailer 5£1,735 GBP
Retailer 2£2,198 GBP
Retailer 7£3,578 GBP
Brilliant Earth£4,926 GBP

23 data points across 12 retailers

6 retailers£482 GBP to £3,578 GBP

A
Cheapest Retailer
-
£482 GBP
$646 USD
Final sale: no returns
B+
Retailer 2
-
£664 GBP
$890 USD
View
B+
Retailer 3
-
£1,735 GBP
$2,325 USD
View
B+
Retailer 4
-
£2,198 GBP
$2,945 USD
View
B
Retailer 5
-
£3,578 GBP
$4,794 USD
View
Most Expensive
Brilliant Earth
20171071A · Oct 12
£4,926 GBP
$6,600 USD
View
Price last confirmed 20 days ago
5 more retailers have this diamond
Prices start from £482 GBPSave up to £3,095 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
£482 GBP