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Marquise|Lab Grown|IGI

3.03ct G VS1 Marquise Lab Grown Diamond

EX • G/VS1 • IGI LG742514648

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG742514648

Diamond specifications and retailer prices

From £458 GBP
As of November 4, 2026
Save £4,194 GBP (90%) vs most expensive(unlock to see where)
26 retailers carry this diamond
Most expensive: £4,652 GBP at Do Amore Diamonds · As of November 4, 2026
View at Do Amore Diamonds

About this 3.03ct lab-grown marquise diamond

This 3.03ct lab-grown marquise sits in the three to five carat band, graded G colour (near-colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG742514648 or 742514648. Listed at 26 retailers as of November 4, 2026, with prices from £458 to £4,652, a £4,194 spread on the same certified stone. Do Amore Diamonds lists it at £4,652. 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

3.03
Carat
G
Colour
VS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.5°
Pavilion angle41.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG742514648
Dimensions14.74 × 7.58 × 4.77 mm
L/W Ratio1.94
Girdle conditionFaceted
Culet sizePointed
Top View
14.74 mm7.58 mm3.03 ctG / VS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG742514648
Side View
Table 61.0%Crown 35.5°Girdle: MED-STKPavilion 41.1°Culet: NoneDepth 62.9%

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: £4,652 GBP|Low: £440 GBP|High: £4,652 GBP|Avg: £1,393 GBP
Do Amore Diamonds
Retailer 2
Retailer 3
Retailer 4
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Retailer 7
Retailer 8
Retailer 9
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Retailer 11
Retailer 12
Retailer 13
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Retailer 17
November 5, 2026
Retailer 6£440 GBP
Retailer 8£513 GBP
Retailer 5£568 GBP
Retailer 17£568 GBP
Retailer 9£628 GBP
Retailer 10£663 GBP
Retailer 3£751 GBP
Retailer 7£822 GBP
Retailer 2£930 GBP
Retailer 13£1,324 GBP
Retailer 14£1,361 GBP
Retailer 16£1,409 GBP
Retailer 15£1,596 GBP
Retailer 4£1,812 GBP
Retailer 11£2,470 GBP
Retailer 12£3,259 GBP
Do Amore Diamonds£4,652 GBP

44 data points across 17 retailers

26 retailers£458 GBP to £4,652 GBP

Retailer 1
-
£440 GBP
Price last confirmed 34 days ago
A
Retailer 2
-
£458 GBP
View
A
Retailer 3
-
£513 GBP
View
Final sale: no returns
Retailer 4
-
£513 GBP
View
Price last confirmed 37 days ago
Retailer 5
-
£568 GBP
View
Price last confirmed 20 days ago
Retailer 6
-
£568 GBP
View
Price last confirmed 33 days ago
A
Retailer 7
-
£568 GBP
View
A
Retailer 8
-
£628 GBP
View
A
Retailer 9
-
£663 GBP
View
A
Retailer 10
-
£751 GBP
View
A
Retailer 11
-
£822 GBP
View
A
Retailer 12
-
£930 GBP
View
B+
Retailer 13
-
£1,324 GBP
View
B+
Retailer 14
-
£1,361 GBP
View
B+
Retailer 15
-
£1,409 GBP
View
Retailer 16
-
£1,596 GBP
View
Price last confirmed 8 days ago
Retailer 17
-
£1,649 GBP
View
Price last confirmed 36 days ago
B
Retailer 18
-
£1,649 GBP
View
B
Retailer 19
-
£1,812 GBP
View
B
Retailer 20
-
£1,828 GBP
View
B
Retailer 21
-
£1,859 GBP
View
B
Retailer 22
-
£2,105 GBP
View
B
Retailer 23
-
£2,470 GBP
View
B
Retailer 24
-
£3,259 GBP
View
B
Retailer 25
-
£4,067 GBP
View
Most Expensive
B
Do Amore Diamonds
23-742514648 · Nov 4
£4,652 GBP
$6,280 USD
View
25 more retailers have this diamond
Prices start from £458 GBPSave up to £4,194 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
3.03ct Marquise
£458 GBP