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Marquise|Lab Grown|IGI

3.03ct G VS1 Marquise Lab Grown Diamond

ID • G/VS1 • IGI LG839618560

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG839618560

Diamond specifications and retailer prices

From £2,096 GBP
$2,830 USD
As of November 4, 2026
8 retailers carry this diamond
Most expensive: £2,096 GBP at Brilliant Earth
View at Brilliant Earth

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 LG839618560 or 839618560. Listed at 8 retailers as of November 4, 2026. 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
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle37.1°
Pavilion angle37.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG839618560
Dimensions14.88 × 7.45 × 4.54 mm
L/W Ratio2.00
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
14.88 mm7.45 mm3.03 ctG / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG839618560
Side View
Table 62.0%Crown 37.1°Girdle: STK-THKPavilion 37.9°Culet: NoneDepth 60.9%

Caratlytics Score

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B
Good
Decent quality, room for better deals
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Price History

Last verified: Nov 4
Current: £2,096 GBP|Low: £475 GBP|High: £2,370 GBP|Avg: £1,263 GBP
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
October 21, 2026
Retailer 7£475 GBP
Retailer 9£493 GBP
Retailer 6£511 GBP
Retailer 10£597 GBP
Retailer 8£699 GBP
Retailer 2£913 GBP
Retailer 4£938 GBP
Retailer 13£1,181 GBP
Retailer 5£1,439 GBP
Retailer 12£1,475 GBP
Retailer 11£1,596 GBP
Retailer 3£1,706 GBP
Brilliant Earth£2,096 GBP
Retailer 14£2,370 GBP

6 data points across 14 retailers

8 retailers

Retailer 1
-
£511 GBP
Price last confirmed 18 days ago
Retailer 2
-
£699 GBP
View
Price last confirmed 17 days ago
Retailer 3
-
£913 GBP
View
Price last confirmed 17 days ago
Retailer 4
-
£938 GBP
View
Price last confirmed 16 days ago
Retailer 5
-
£1,439 GBP
View
Price last confirmed 16 days ago
Retailer 6
-
£1,475 GBP
View
Price last confirmed 18 days ago
Retailer 7
-
£1,596 GBP
View
Price last confirmed 18 days ago
Most Expensive
B
Brilliant Earth
22005425B · Nov 4
£2,096 GBP
$2,830 USD
View
7 more retailers have this diamond

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.

B
3.03ct Marquise
£2,096 GBP