CaratHunter
Plans
Marquise|Lab Grown|IGI

3.05ct F VS1 Marquise Lab Grown Diamond

ID • F/VS1 • IGI LG833644273

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG833644273

Diamond specifications and retailer prices

From £339 GBP
As of November 4, 2026
Save £2,336 GBP (87%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: £2,675 GBP at Brilliant Earth · As of November 4, 2026
View at Brilliant Earth

About this 3.05ct lab-grown marquise diamond

This 3.05ct lab-grown marquise sits in the three to five carat band, graded F colour (colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG833644273 or 833644273. Listed at 19 retailers as of November 4, 2026, with prices from £339 to £2,675, a £2,336 spread on the same certified stone. Brilliant Earth lists it at £2,675. 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

3.05
Carat
F
Colour
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.7°
Pavilion angle40.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG833644273
Dimensions14.61 × 7.59 × 4.82 mm
L/W Ratio1.92
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
14.61 mm7.59 mm3.05 ctF / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG833644273
Side View
Table 58.0%Crown 35.7°Girdle: MED-STKPavilion 40.6°Culet: NoneDepth 63.5%

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 4
Current: £2,675 GBP|Low: £339 GBP|High: £3,076 GBP|Avg: £1,146 GBP|-13.0%
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
Retailer 15
Retailer 16
Retailer 17
Retailer 18
November 5, 2026
Retailer 8£339 GBP
Retailer 16£380 GBP
Retailer 17£421 GBP
Retailer 4£528 GBP
Retailer 6£565 GBP
Retailer 2£689 GBP
Retailer 9£763 GBP
Retailer 12£889 GBP
Retailer 3£897 GBP
Retailer 15£912 GBP
Retailer 14£1,130 GBP
Retailer 18£1,351 GBP
Retailer 7£1,374 GBP
Retailer 13£1,475 GBP
Retailer 11£1,539 GBP
Retailer 5£1,594 GBP
Retailer 10£1,898 GBP
Brilliant Earth£2,675 GBP

37 data points across 18 retailers

19 retailers£339 GBP to £2,675 GBP

A
Cheapest Retailer
-
£339 GBP
A
Retailer 2
-
£380 GBP
View
A
Retailer 3
-
£421 GBP
View
Retailer 4
-
£439 GBP
View
Price last confirmed 20 days ago
A
Retailer 5
-
£528 GBP
View
B+
Retailer 6
-
£565 GBP
View
A
Retailer 7
-
£689 GBP
View
Retailer 8
-
£763 GBP
View
Price last confirmed 7 days ago
A
Retailer 9
-
£889 GBP
View
A
Retailer 10
-
£897 GBP
View
A
Retailer 11
-
£912 GBP
View
B+
Retailer 12
-
£1,130 GBP
View
B+
Retailer 13
-
£1,351 GBP
View
B+
Retailer 14
-
£1,374 GBP
View
B+
Retailer 15
-
£1,475 GBP
View
B+
Retailer 16
-
£1,539 GBP
View
B+
Retailer 17
-
£1,594 GBP
View
Retailer 18
-
£1,898 GBP
View
Price last confirmed 29 days ago
Most Expensive
B
Brilliant Earth
21342309A · Nov 4
£2,675 GBP
$3,600 USD
View
18 more retailers have this diamond
Prices start from £339 GBPSave up to £2,336 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
3.05ct Marquise
£339 GBP