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Marquise|Lab Grown|IGI

3.05ct F VS1 Marquise Lab Grown Diamond

ID • F/VS1 • IGI LG837696903

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG837696903

Diamond specifications and retailer prices

From £381 GBP
As of November 4, 2026
Save £3,007 GBP (89%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: £3,388 GBP at Do Amore Diamonds · As of November 4, 2026
View at Do Amore Diamonds

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 LG837696903 or 837696903. Listed at 17 retailers as of November 4, 2026, with prices from £381 to £3,388, a £3,007 spread on the same certified stone. Do Amore Diamonds lists it at £3,388. 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 angle31.3°
Pavilion angle41.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG837696903
Dimensions14.94 × 7.58 × 4.76 mm
L/W Ratio1.97
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
14.94 mm7.58 mm3.05 ctF / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG837696903
Side View
Table 60.0%Crown 31.3°Girdle: MED-STKPavilion 41.7°Culet: NoneDepth 62.8%

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: £3,388 GBP|Low: £381 GBP|High: £3,388 GBP|Avg: £1,185 GBP
Do Amore Diamonds
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
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Retailer 17
November 5, 2026
Retailer 17£381 GBP
Retailer 4£426 GBP
Retailer 3£427 GBP
Retailer 13£594 GBP
Retailer 9£626 GBP
Retailer 10£715 GBP
Retailer 12£807 GBP
Retailer 2£1,105 GBP
Retailer 15£1,133 GBP
Retailer 14£1,166 GBP
Retailer 16£1,221 GBP
Retailer 5£1,619 GBP
Retailer 8£1,631 GBP
Retailer 6£1,753 GBP
Retailer 7£1,779 GBP
Retailer 11£2,260 GBP
Do Amore Diamonds£3,388 GBP

27 data points across 17 retailers

17 retailers£381 GBP to £3,388 GBP

A
Cheapest Retailer
-
£381 GBP
A
Retailer 2
-
£426 GBP
View
Final sale: no returns
A
Retailer 3
-
£427 GBP
View
A
Retailer 4
-
£594 GBP
View
B+
Retailer 5
-
£626 GBP
View
A
Retailer 6
-
£715 GBP
View
A
Retailer 7
-
£807 GBP
View
B+
Retailer 8
-
£1,105 GBP
View
B+
Retailer 9
-
£1,133 GBP
View
B+
Retailer 10
-
£1,166 GBP
View
B+
Retailer 11
-
£1,221 GBP
View
B+
Retailer 12
-
£1,619 GBP
View
B+
Retailer 13
-
£1,631 GBP
View
B
Retailer 14
-
£1,753 GBP
View
B
Retailer 15
-
£1,779 GBP
View
B
Retailer 16
-
£2,260 GBP
View
Most Expensive
B
Do Amore Diamonds
27-F2A6CD65F · Nov 4
£3,388 GBP
$4,560 USD
View
16 more retailers have this diamond
Prices start from £381 GBPSave up to £3,007 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
£381 GBP