CaratHunter
Plans
Marquise|Lab Grown|IGI

3.00ct G VS1 Marquise Lab Grown Diamond

ID • G/VS1 • IGI LG825654759

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG825654759

Diamond specifications and retailer prices

From £309 GBP
As of November 4, 2026
Save £1,773 GBP (85%) vs most expensive(unlock to see where)
23 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 LG825654759 or 825654759. Listed at 23 retailers as of November 4, 2026, with prices from £309 to £2,082, a £1,773 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 angle36.7°
Pavilion angle39.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG825654759
Dimensions14.89 × 7.55 × 4.57 mm
L/W Ratio1.97
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
14.89 mm7.55 mm3.00 ctG / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG825654759
Side View
Table 60.0%Crown 36.7°Girdle: STK-THKPavilion 39.5°Culet: NoneDepth 60.5%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 4
Current: £2,082 GBP|Low: £345 GBP|High: £2,082 GBP|Avg: £798 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
Retailer 15
Retailer 16
Retailer 17
Retailer 18
Retailer 19
Retailer 20
November 5, 2026
Retailer 8£345 GBP
Retailer 6£347 GBP
Retailer 11£384 GBP
Retailer 12£384 GBP
Retailer 15£426 GBP
Retailer 20£493 GBP
Retailer 19£605 GBP
Retailer 2£625 GBP
Retailer 18£661 GBP
Retailer 4£746 GBP
Retailer 7£757 GBP
Retailer 14£810 GBP
Retailer 17£835 GBP
Retailer 16£939 GBP
Retailer 9£1,219 GBP
Retailer 5£1,233 GBP
Retailer 3£1,257 GBP
Retailer 13£1,404 GBP
Retailer 10£1,596 GBP
Brilliant Earth£2,082 GBP

27 data points across 20 retailers

23 retailers£309 GBP to £2,082 GBP

A
Cheapest Retailer
-
£309 GBP
A
Retailer 2
-
£345 GBP
View
Final sale: no returns
A
Retailer 3
-
£347 GBP
View
Retailer 4
-
£384 GBP
View
Price last confirmed 11 days ago
A
Retailer 5
-
£384 GBP
View
A
Retailer 6
-
£426 GBP
View
A
Retailer 7
-
£493 GBP
View
B+
Retailer 8
-
£605 GBP
View
A
Retailer 9
-
£625 GBP
View
A
Retailer 10
-
£661 GBP
View
A
Retailer 11
-
£746 GBP
View
A
Retailer 12
-
£757 GBP
View
A
Retailer 13
-
£810 GBP
View
A
Retailer 14
-
£835 GBP
View
A
Retailer 15
-
£939 GBP
View
B+
Retailer 16
-
£1,219 GBP
View
B+
Retailer 17
-
£1,233 GBP
View
B+
Retailer 18
-
£1,257 GBP
View
B+
Retailer 19
-
£1,404 GBP
View
B+
Retailer 20
-
£1,435 GBP
View
Retailer 21
-
£1,596 GBP
View
Price last confirmed 8 days ago
B
Retailer 22
-
£1,673 GBP
View
Most Expensive
B
Brilliant Earth
22456034A · Nov 4
£2,082 GBP
$2,810 USD
View
22 more retailers have this diamond
Prices start from £309 GBPSave up to £1,773 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
£309 GBP