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Marquise|Lab Grown|IGI

3.55ct F VS2 Marquise Lab Grown Diamond

VG • F/VS2 • IGI LG839691324

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG839691324

Diamond specifications and retailer prices

From £624 GBP
$838 USD
As of November 1, 2026
5 retailers carry this diamond
Most expensive: £2,060 GBP at Rare Carat · As of September 30, 2026
View at Rare Carat

About this 3.55ct lab-grown marquise diamond

This 3.55ct lab-grown marquise sits in the three to five carat band, graded F colour (colourless) and VS2 clarity (very-slightly-included), with a very-good cut grade and certified by IGI LG839691324 or 839691324. Listed at 5 retailers as of November 1, 2026. Cut grade matters more than carat or clarity for visible brilliance. If you can shift budget toward an Excellent or Ideal cut, do it before chasing higher colour or clarity.

The 4Cs

3.55
Carat
F
Colour
VS2
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.5°
Pavilion angle40.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG839691324
Dimensions15.31 × 8.07 × 5.03 mm
L/W Ratio1.90
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
15.31 mm8.07 mm3.55 ctF / VS2
OriginLab Grown
CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG839691324
Side View
Table 63.0%Crown 35.5°Girdle: MED-STKPavilion 40.9°Culet: NoneDepth 62.3%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Nov 1
Current: £2,060 GBP|Low: £624 GBP|High: £2,060 GBP|Avg: £1,073 GBP
Rare Carat
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
October 27, 2026
Retailer 4£624 GBP
Retailer 5£636 GBP
Retailer 2£771 GBP
Retailer 3£784 GBP
Retailer 6£800 GBP
Rare Carat£2,060 GBP

6 data points across 6 retailers

5 retailers

A
Cheapest Retailer
-
£624 GBP
$838 USD
Retailer 2
-
£636 GBP
$854 USD
View
Price last confirmed 8 days ago
Retailer 3
-
£771 GBP
€985 EUR
View
Price last confirmed 7 days ago
Retailer 4
-
£784 GBP
$1,052 USD
View
Price last confirmed 8 days ago
Most Expensive
Rare Carat
839691324 · Sep 30
£2,060 GBP
$2,765 USD
View
Price last confirmed 34 days ago
4 more retailers have this diamond
Prices start from £624 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
3.55ct Marquise
£624 GBP