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Marquise|Lab Grown|IGI

3.00ct F VS2 Marquise Lab Grown Diamond

EX • F/VS2 • IGI LG839664016

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG839664016

Diamond specifications and retailer prices

From £1,497 GBP
As of October 30, 2026
Save £695 GBP (32%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: £2,192 GBP at Brilliant Earth · As of November 5, 2026
View at Brilliant Earth

About this 3ct lab-grown marquise diamond

This 3ct lab-grown marquise sits in the three to five carat band, graded F colour (colourless) and VS2 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG839664016 or 839664016. Listed at 10 retailers as of October 30, 2026, with prices from £1,497 to £2,192, a £695 spread on the same certified stone. Brilliant Earth lists it at £2,192. 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

3.00
Carat
F
Colour
VS2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.4°
Pavilion angle40.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG839664016
Dimensions15.14 × 7.62 × 4.68 mm
L/W Ratio1.99
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
15.14 mm7.62 mm3.00 ctF / VS2
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG839664016
Side View
Table 61.0%Crown 35.4°Girdle: MED-STKPavilion 40.5°Culet: NoneDepth 61.4%

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 30
Current: £516 GBP|Low: £516 GBP|High: £1,931 GBP|Avg: £1,071 GBP|-0.4%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
October 29, 2026
Retailer 1£516 GBP
Retailer 6£648 GBP
Retailer 8£736 GBP
Retailer 3£1,114 GBP
Retailer 5£1,153 GBP
Retailer 2£1,497 GBP
Retailer 7£1,583 GBP
Retailer 9£1,657 GBP
Retailer 4£1,931 GBP

12 data points across 9 retailers

10 retailers£1,497 GBP to £2,192 GBP

Retailer 1
-
£345 GBP
Price last confirmed 9 days ago
Retailer 2
-
£387 GBP
View
Price last confirmed 15 days ago
Retailer 3
-
£516 GBP
View
Price last confirmed 7 days ago
Retailer 4
-
£1,114 GBP
View
Price last confirmed 9 days ago
Retailer 5
-
£1,114 GBP
View
Price last confirmed 7 days ago
B+
Retailer 6
-
£1,497 GBP
View
Retailer 7
-
£1,583 GBP
View
Price last confirmed 18 days ago
Retailer 8
-
£1,657 GBP
View
Price last confirmed 32 days ago
B
Retailer 9
-
£1,931 GBP
View
Most Expensive
B
Brilliant Earth
22516482Y · Nov 5
£2,192 GBP
$2,950 USD
View
9 more retailers have this diamond
Prices start from £1,497 GBPSave up to £695 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+
3.00ct Marquise
£1,497 GBP