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Round|Lab Grown|IGI

3.12ct J VVS2 Round Lab Grown Diamond

ID • J/VVS2 • IGI LG544243668

Shape and cutting style on the report: Round brilliant

Certificate IGI LG544243668

Diamond specifications and retailer prices

From £530 GBP
As of November 5, 2026
Save £1,877 GBP (78%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: £2,407 GBP at MOH London · As of November 5, 2026
View at MOH London

About this 3.12ct lab-grown round diamond

This 3.12ct lab-grown round sits in the three to five carat band, graded J colour (near-colourless) and VVS2 clarity (very-very-slightly-included), with a top-tier cut grade and certified by IGI LG544243668 or 544243668. Listed at 15 retailers as of November 5, 2026, with prices from £530 to £2,407, a £1,877 spread on the same certified stone. MOH London lists it at £2,407. 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

3.12
Carat
J
Colour
VVS2
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.4°
Pavilion angle41.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG544243668
Dimensions9.33 × 9.28 × 5.81 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
9.33 mm9.28 mm3.12 ctJ / VVS2
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG544243668
Side View
Table 59.0%Crown 35.4°Girdle: MediumPavilion 41.2°Culet: NoneDepth 62.4%

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: £2,407 GBP|Low: £509 GBP|High: £2,446 GBP|Avg: £1,182 GBP|-0.3%
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
November 5, 2026
Retailer 10£530 GBP
Retailer 14£593 GBP
Retailer 3£614 GBP
Retailer 11£614 GBP
Retailer 7£747 GBP
Retailer 13£840 GBP
Retailer 12£999 GBP
Retailer 4£1,131 GBP
Retailer 8£1,215 GBP
Retailer 6£1,375 GBP
Retailer 2£1,428 GBP
Retailer 9£1,514 GBP
Retailer 5£2,119 GBP
MOH London£2,407 GBP

28 data points across 14 retailers

15 retailers£530 GBP to £2,407 GBP

A
Cheapest Retailer
-
£530 GBP
A
Retailer 2
-
£577 GBP
View
A
Retailer 3
-
£593 GBP
View
Final sale: no returns
A
Retailer 4
-
£614 GBP
View
Retailer 5
-
£614 GBP
View
Price last confirmed 20 days ago
A
Retailer 6
-
£747 GBP
View
B+
Retailer 7
-
£840 GBP
View
B+
Retailer 8
-
£999 GBP
View
B+
Retailer 9
-
£1,131 GBP
View
Retailer 10
-
£1,215 GBP
View
Price last confirmed 9 days ago
B
Retailer 11
-
£1,428 GBP
View
B
Retailer 12
-
£1,514 GBP
View
B
Retailer 13
-
£1,728 GBP
View
B
Retailer 14
-
£2,119 GBP
View
Most Expensive
B
MOH London
LG544243668 · Nov 5
£2,407 GBP
View
14 more retailers have this diamond
Prices start from £530 GBPSave up to £1,877 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
3.12ct Round
£530 GBP