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Round|Lab Grown|IGI

3.18ct G VS2 Round Lab Grown Diamond

ID • G/VS2 • IGI LG648462959

Shape and cutting style on the report: Round brilliant

Certificate IGI LG648462959

Diamond specifications and retailer prices

From £643 GBP
$862 USD
As of October 30, 2026
Save £1,796 GBP (74%) vs most expensive(unlock to see where)
7 retailers carry this diamond
Most expensive: £2,440 GBP at MOH London · As of October 29, 2026
View at MOH London

About this 3.18ct lab-grown round diamond

This 3.18ct lab-grown round sits in the three to five carat band, graded G colour (near-colourless) and VS2 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG648462959 or 648462959. Listed at 7 retailers as of October 29, 2026, with prices from £643 to £2,440, a £1,796 spread on the same certified stone. MOH London lists it at £2,440. 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

3.18
Carat
G
Colour
VS2
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.4°
Pavilion angle40.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG648462959
Dimensions9.43 × 9.40 × 5.80 mm
L/W Ratio1.00
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
9.43 mm9.40 mm3.18 ctG / VS2
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG648462959
Side View
Table 57.0%Crown 35.4°Girdle: MediumPavilion 40.7°Culet: NoneDepth 61.6%

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: Oct 30
Current: £2,440 GBP|Low: £643 GBP|High: £2,550 GBP|Avg: £1,233 GBP|-3.2%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
October 31, 2026
Retailer 6£643 GBP
Retailer 5£718 GBP
Retailer 4£782 GBP
Retailer 2£872 GBP
Retailer 3£1,418 GBP
Retailer 7£1,895 GBP
MOH London£2,440 GBP

38 data points across 7 retailers

7 retailers£643 GBP to £2,440 GBP

A
Cheapest Retailer
-
£643 GBP
$862 USD
A
Retailer 2
-
£718 GBP
$962 USD
View
A
Retailer 3
-
£782 GBP
$1,048 USD
View
A
Retailer 4
-
£872 GBP
View
Retailer 5
-
£1,418 GBP
$1,900 USD
View
Price last confirmed 13 days ago
B
Retailer 6
-
£1,895 GBP
$2,539 USD
View
Most Expensive
B
MOH London
LG648462959 · Oct 29
£2,440 GBP
View
6 more retailers have this diamond
Prices start from £643 GBPSave up to £1,796 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
3.18ct Round
£643 GBP