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Marquise|Lab Grown|IGI

3.06ct G VS1 Marquise Lab Grown Diamond

ID • G/VS1 • IGI LG845654665

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG845654665

Diamond specifications and retailer prices

From £387 GBP
As of November 4, 2026
Save £1,954 GBP (83%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: £2,341 GBP at Brilliant Earth · As of November 4, 2026
View at Brilliant Earth

About this 3.06ct lab-grown marquise diamond

This 3.06ct 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 LG845654665 or 845654665. Listed at 11 retailers as of November 4, 2026, with prices from £387 to £2,341, a £1,954 spread on the same certified stone. Brilliant Earth lists it at £2,341. 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

3.06
Carat
G
Colour
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.4°
Pavilion angle40.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG845654665
Dimensions15.36 × 7.45 × 4.75 mm
L/W Ratio2.06
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
15.36 mm7.45 mm3.06 ctG / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG845654665
Side View
Table 59.0%Crown 36.4°Girdle: MED-STKPavilion 40.6°Culet: NoneDepth 63.8%

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: £2,341 GBP|Low: £387 GBP|High: £2,341 GBP|Avg: £1,010 GBP
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
November 5, 2026
Retailer 4£387 GBP
Retailer 2£459 GBP
Retailer 7£554 GBP
Retailer 9£601 GBP
Retailer 6£741 GBP
Retailer 11£779 GBP
Retailer 3£804 GBP
Retailer 8£977 GBP
Retailer 5£1,147 GBP
Retailer 10£1,304 GBP
Brilliant Earth£2,341 GBP

6 data points across 11 retailers

11 retailers£387 GBP to £2,341 GBP

A
Cheapest Retailer
-
£387 GBP
A
Retailer 2
-
£459 GBP
View
B+
Retailer 3
-
£554 GBP
View
A
Retailer 4
-
£601 GBP
View
A
Retailer 5
-
£741 GBP
View
A
Retailer 6
-
£779 GBP
View
A
Retailer 7
-
£804 GBP
View
A
Retailer 8
-
£977 GBP
View
B+
Retailer 9
-
£1,147 GBP
View
B+
Retailer 10
-
£1,304 GBP
View
Most Expensive
B
Brilliant Earth
22391668A · Nov 4
£2,341 GBP
$3,160 USD
View
10 more retailers have this diamond
Prices start from £387 GBPSave up to £1,954 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
3.06ct Marquise
£387 GBP