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Marquise|Lab Grown|IGI

3.90ct G VVS2 Marquise Lab Grown Diamond

EX • G/VVS2 • IGI LG809672741

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG809672741

Diamond specifications and retailer prices

From £596 GBP
$799 USD
As of October 26, 2026
Save £948 GBP (61%) vs most expensive(unlock to see where)
5 retailers carry this diamond
Most expensive: £3,360 GBP at Frank Darling · As of October 24, 2026
View at Frank Darling

About this 3.9ct lab-grown marquise diamond

This 3.9ct 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 LG809672741 or 809672741. Listed at 5 retailers as of October 26, 2026, with a 159% 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

3.90
Carat
G
Colour
VVS2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.2°
Pavilion angle40.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG809672741
Dimensions16.52 × 8.12 × 5.12 mm
L/W Ratio2.03
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
16.52 mm8.12 mm3.90 ctG / VVS2
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG809672741
Side View
Table 57.0%Crown 34.2°Girdle: MED-STKPavilion 40.5°Culet: NoneDepth 63.1%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 26
Current: £3,360 GBP|Low: £425 GBP|High: £3,360 GBP|Avg: £1,373 GBP|+0.0%
Frank Darling
Retailer 2
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Retailer 5
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Retailer 7
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Retailer 9
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Retailer 13
October 27, 2026
Retailer 6£425 GBP
Retailer 8£596 GBP
Retailer 10£668 GBP
Retailer 9£728 GBP
Retailer 4£826 GBP
Retailer 5£1,012 GBP
Retailer 11£1,081 GBP
Retailer 12£1,157 GBP
Retailer 13£1,312 GBP
Retailer 2£1,544 GBP
Retailer 7£2,194 GBP
Retailer 3£3,112 GBP
Frank Darling£3,360 GBP

15 data points across 13 retailers

5 retailers£596 GBP to £1,544 GBP

B+
Cheapest Retailer
-
£596 GBP
$799 USD
B+
Retailer 2
-
£1,544 GBP
$2,069 USD
View
Retailer 3
-
£2,194 GBP
$2,940 USD
View
Price last confirmed 14 days ago
Retailer 4
-
£3,112 GBP
$4,170 USD
View
Price last confirmed 31 days ago
Most Expensive
Frank Darling
100752841923KD · Oct 24
£3,360 GBP
$4,502 USD
View
Price last confirmed 8 days ago
4 more retailers have this diamond
Prices start from £596 GBPSave up to £948 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.

B+
3.90ct Marquise
£596 GBP