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Marquise|Lab Grown|IGI

2.99ct F VS1 Marquise Lab Grown Diamond

EX • F/VS1 • IGI LG809602372

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG809602372

Diamond specifications and retailer prices

From £419 GBP
As of November 4, 2026
Save £1,719 GBP (80%) vs most expensive(unlock to see where)
5 retailers carry this diamond
Most expensive: £2,138 GBP at Frank Darling · As of November 4, 2026
View at Frank Darling

About this 2.99ct lab-grown marquise diamond

This 2.99ct lab-grown marquise sits in the two to three carat band, graded F colour (colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG809602372 or 809602372. Listed at 5 retailers as of November 4, 2026, with prices from £419 to £2,138, a £1,719 spread on the same certified stone. Frank Darling lists it at £2,138. 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

2.99
Carat
F
Colour
VS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.1°
Pavilion angle40.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG809602372
Dimensions15.55 × 7.58 × 4.61 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
15.55 mm7.58 mm2.99 ctF / VS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG809602372
Side View
Table 63.0%Crown 35.1°Girdle: MED-STKPavilion 40.4°Culet: NoneDepth 60.8%

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: Nov 4
Current: £2,138 GBP|Low: £419 GBP|High: £4,198 GBP|Avg: £1,557 GBP|+0.1%
Frank Darling
Retailer 2
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Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
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Retailer 13
October 31, 2026
Retailer 6£419 GBP
Retailer 7£587 GBP
Retailer 10£684 GBP
Retailer 9£724 GBP
Retailer 11£724 GBP
Retailer 4£1,003 GBP
Retailer 12£1,211 GBP
Retailer 2£1,522 GBP
Retailer 13£1,545 GBP
Retailer 8£1,898 GBP
Frank Darling£2,138 GBP
Retailer 3£2,905 GBP
Retailer 5£4,198 GBP

14 data points across 13 retailers

5 retailers£419 GBP to £2,138 GBP

A
Cheapest Retailer
-
£419 GBP
Final sale: no returns
B+
Retailer 2
-
£587 GBP
View
B+
Retailer 3
-
£1,522 GBP
View
Retailer 4
-
£1,898 GBP
View
Price last confirmed 15 days ago
Most Expensive
B
Frank Darling
100742494867KD · Nov 4
£2,138 GBP
$2,878 USD
View
4 more retailers have this diamond
Prices start from £419 GBPSave up to £1,719 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
2.99ct Marquise
£419 GBP