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Marquise|Lab Grown|IGI

3.00ct G VS1 Marquise Lab Grown Diamond

ID • G/VS1 • IGI LG848633393

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG848633393

Diamond specifications and retailer prices

From £338 GBP
As of November 4, 2026
Save £1,744 GBP (84%) vs most expensive(unlock to see where)
21 retailers carry this diamond
Most expensive: £2,082 GBP at Brilliant Earth · As of November 4, 2026
View at Brilliant Earth

About this 3ct lab-grown marquise diamond

This 3ct 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 LG848633393 or 848633393. Listed at 21 retailers as of November 4, 2026, with prices from £338 to £2,082, a £1,744 spread on the same certified stone. Brilliant Earth lists it at £2,082. 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

3.00
Carat
G
Colour
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.8°
Pavilion angle41.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG848633393
Dimensions14.68 × 7.32 × 4.68 mm
L/W Ratio2.01
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
14.68 mm7.32 mm3.00 ctG / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG848633393
Side View
Table 62.0%Crown 34.8°Girdle: MED-STKPavilion 41.6°Culet: NoneDepth 63.9%

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: £2,082 GBP|Low: £338 GBP|High: £2,082 GBP|Avg: £917 GBP
Brilliant Earth
Retailer 2
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Retailer 21
November 5, 2026
Retailer 7£338 GBP
Retailer 6£379 GBP
Retailer 21£379 GBP
Retailer 12£419 GBP
Retailer 20£464 GBP
Retailer 15£465 GBP
Retailer 17£526 GBP
Retailer 11£574 GBP
Retailer 19£634 GBP
Retailer 2£686 GBP
Retailer 3£779 GBP
Retailer 4£946 GBP
Retailer 16£977 GBP
Retailer 18£1,296 GBP
Retailer 14£1,330 GBP
Retailer 9£1,369 GBP
Retailer 8£1,489 GBP
Retailer 13£1,534 GBP
Retailer 10£1,596 GBP
Retailer 5£1,863 GBP
Brilliant Earth£2,082 GBP

19 data points across 21 retailers

21 retailers£338 GBP to £2,082 GBP

A
Cheapest Retailer
-
£338 GBP
A
Retailer 2
-
£379 GBP
View
Final sale: no returns
A
Retailer 3
-
£379 GBP
View
A
Retailer 4
-
£419 GBP
View
A
Retailer 5
-
£464 GBP
View
A
Retailer 6
-
£465 GBP
View
A
Retailer 7
-
£526 GBP
View
B+
Retailer 8
-
£574 GBP
View
Retailer 9
-
£634 GBP
View
Price last confirmed 9 days ago
A
Retailer 10
-
£686 GBP
View
A
Retailer 11
-
£779 GBP
View
B+
Retailer 12
-
£946 GBP
View
B+
Retailer 13
-
£977 GBP
View
B+
Retailer 14
-
£1,296 GBP
View
B
Retailer 15
-
£1,330 GBP
View
B+
Retailer 16
-
£1,369 GBP
View
B+
Retailer 17
-
£1,489 GBP
View
B+
Retailer 18
-
£1,534 GBP
View
Retailer 19
-
£1,596 GBP
View
Price last confirmed 8 days ago
B
Retailer 20
-
£1,863 GBP
View
Most Expensive
B
Brilliant Earth
22479758A · Nov 4
£2,082 GBP
$2,810 USD
View
20 more retailers have this diamond
Prices start from £338 GBPSave up to £1,744 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
3.00ct Marquise
£338 GBP