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Round|Lab Grown|IGI

3.05ct J VS1 Round Lab Grown Diamond

ID • J/VS1 • IGI LG483113078

Shape and cutting style on the report: Round brilliant

Certificate IGI LG483113078

Diamond specifications and retailer prices

From £363 GBP
As of November 5, 2026
Save £1,510 GBP (81%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: £1,873 GBP at MOH London · As of November 5, 2026
View at MOH London

About this 3.05ct lab-grown round diamond

This 3.05ct lab-grown round sits in the three to five carat band, graded J colour (near-colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG483113078 or 483113078. Listed at 19 retailers as of November 5, 2026, with prices from £363 to £1,873, a £1,510 spread on the same certified stone. MOH London lists it at £1,873. 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

3.05
Carat
J
Colour
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.6°
Pavilion angle40.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG483113078
Dimensions9.39 × 9.44 × 5.69 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process and may include post-growth treatment Type IIa
Top View
9.39 mm9.44 mm3.05 ctJ / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG483113078
Side View
Table 57.0%Crown 33.6°Girdle: MediumPavilion 40.9°Culet: NoneDepth 60.3%

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 5
Current: £1,873 GBP|Low: £348 GBP|High: £1,900 GBP|Avg: £862 GBP|-1.3%
MOH London
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
November 5, 2026
Retailer 16£363 GBP
Retailer 6£406 GBP
Retailer 3£450 GBP
Retailer 8£450 GBP
Retailer 14£554 GBP
Retailer 13£603 GBP
Retailer 5£669 GBP
Retailer 10£688 GBP
Retailer 2£821 GBP
Retailer 11£976 GBP
Retailer 15£1,044 GBP
Retailer 12£1,064 GBP
Retailer 7£1,184 GBP
Retailer 9£1,278 GBP
Retailer 4£1,425 GBP
MOH London£1,873 GBP

40 data points across 16 retailers

19 retailers£363 GBP to £1,873 GBP

A
Cheapest Retailer
-
£363 GBP
A
Retailer 2
-
£406 GBP
View
A
Retailer 3
-
£450 GBP
View
Retailer 4
-
£450 GBP
View
Price last confirmed 21 days ago
A
Retailer 5
-
£494 GBP
View
A
Retailer 6
-
£554 GBP
View
B+
Retailer 7
-
£603 GBP
View
A
Retailer 8
-
£669 GBP
View
A
Retailer 9
-
£688 GBP
View
A
Retailer 10
-
£821 GBP
View
B+
Retailer 11
-
£846 GBP
View
B+
Retailer 12
-
£976 GBP
View
Retailer 13
-
£1,044 GBP
View
Price last confirmed 9 days ago
B+
Retailer 14
-
£1,064 GBP
View
B+
Retailer 15
-
£1,184 GBP
View
B
Retailer 16
-
£1,278 GBP
View
B
Retailer 17
-
£1,425 GBP
View
B
Retailer 18
-
£1,467 GBP
View
Most Expensive
B
MOH London
LG483113078 · Nov 5
£1,873 GBP
View
18 more retailers have this diamond
Prices start from £363 GBPSave up to £1,510 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
3.05ct Round
£363 GBP