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Marquise|Lab Grown|IGI

3.08ct G VS1 Marquise Lab Grown Diamond

ID • G/VS1 • IGI LG843643817

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG843643817

Diamond specifications and retailer prices

From £293 GBP
As of November 4, 2026
Save £975 GBP (77%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: £1,622 GBP at Rare Carat · As of October 28, 2026
View at Rare Carat

About this 3.08ct lab-grown marquise diamond

This 3.08ct 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 LG843643817 or 843643817. Listed at 13 retailers as of November 3, 2026, with a 333% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. 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

3.08
Carat
G
Colour
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.2°
Pavilion angle42.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG843643817
Dimensions13.51 × 7.70 × 5.06 mm
L/W Ratio1.75
Girdle conditionFaceted
Culet sizeNone
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
13.51 mm7.70 mm3.08 ctG / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG843643817
Side View
Table 59.0%Crown 34.2°Girdle: MED-THKPavilion 42.3°Culet: NoneDepth 65.7%

Caratlytics Score

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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: £1,622 GBP|Low: £293 GBP|High: £1,622 GBP|Avg: £839 GBP
Rare Carat
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
November 4, 2026
Retailer 12£293 GBP
Retailer 2£360 GBP
Retailer 6£437 GBP
Retailer 9£437 GBP
Retailer 8£579 GBP
Retailer 7£692 GBP
Retailer 10£775 GBP
Retailer 5£800 GBP
Retailer 11£952 GBP
Retailer 13£1,074 GBP
Retailer 4£1,227 GBP
Retailer 3£1,267 GBP
Rare Carat£1,622 GBP

18 data points across 13 retailers

13 retailers£293 GBP to £1,267 GBP

A
Cheapest Retailer
-
£293 GBP
Final sale: no returns
A
Retailer 2
-
£360 GBP
View
B+
Retailer 3
-
£437 GBP
View
A
Retailer 4
-
£437 GBP
View
A
Retailer 5
-
£579 GBP
View
A
Retailer 6
-
£692 GBP
View
A
Retailer 7
-
£775 GBP
View
A
Retailer 8
-
£800 GBP
View
A
Retailer 9
-
£952 GBP
View
B+
Retailer 10
-
£1,074 GBP
View
B+
Retailer 11
-
£1,227 GBP
View
B+
Retailer 12
-
£1,267 GBP
View
Most Expensive
Rare Carat
PZ-38-A_l_843643817 · Oct 28
£1,622 GBP
$2,190 USD
View
Price last confirmed 7 days ago
12 more retailers have this diamond
Prices start from £293 GBPSave up to £975 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
3.08ct Marquise
£293 GBP