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Round|Lab Grown|IGI

3.18ct G VS2 Round Lab Grown Diamond

ID • G/VS2 • IGI LG573397888

Shape and cutting style on the report: Round brilliant

Certificate IGI LG573397888

Diamond specifications and retailer prices

From £292 GBP
$391 USD
As of October 29, 2026
Save £1,129 GBP (79%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: £1,421 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 LG573397888 or 573397888. Listed at 18 retailers as of October 29, 2026, with prices from £292 to £1,421, a £1,129 spread on the same certified stone. MOH London lists it at £1,421. 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 angle35.5°
Pavilion angle40.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG573397888
Dimensions9.43 × 9.39 × 5.84 mm
L/W Ratio1.00
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
9.43 mm9.39 mm3.18 ctG / VS2
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG573397888
Side View
Table 56.0%Crown 35.5°Girdle: MediumPavilion 40.8°Culet: NoneDepth 62.1%

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: Oct 29
Current: £1,421 GBP|Low: £280 GBP|High: £1,558 GBP|Avg: £791 GBP|-5.4%
MOH London
Retailer 2
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Retailer 18
October 30, 2026
Retailer 14£292 GBP
Retailer 8£327 GBP
Retailer 10£343 GBP
Retailer 9£362 GBP
Retailer 18£362 GBP
Retailer 15£401 GBP
Retailer 11£474 GBP
Retailer 17£575 GBP
Retailer 2£591 GBP
Retailer 4£649 GBP
Retailer 16£795 GBP
Retailer 13£1,015 GBP
Retailer 6£1,150 GBP
Retailer 3£1,163 GBP
Retailer 7£1,191 GBP
Retailer 5£1,354 GBP
Retailer 12£1,377 GBP
MOH London£1,421 GBP

43 data points across 18 retailers

18 retailers£292 GBP to £1,421 GBP

A
Cheapest Retailer
-
£292 GBP
$391 USD
A
Retailer 2
-
£327 GBP
$438 USD
View
A
Retailer 3
-
£343 GBP
$460 USD
View
Final sale: no returns
A
Retailer 4
-
£362 GBP
$485 USD
View
A
Retailer 5
-
£362 GBP
$485 USD
View
A
Retailer 6
-
£401 GBP
HK$4,200 HKD
View
A
Retailer 7
-
£474 GBP
$635 USD
View
B+
Retailer 8
-
£575 GBP
$771 USD
View
A
Retailer 9
-
£591 GBP
View
A
Retailer 10
-
£649 GBP
$870 USD
View
B+
Retailer 11
-
£795 GBP
$1,065 USD
View
B+
Retailer 12
-
£1,015 GBP
$1,360 USD
View
B
Retailer 13
-
£1,150 GBP
SGD 2,082 SGD
View
B
Retailer 14
-
£1,163 GBP
$1,558 USD
View
Retailer 15
-
£1,191 GBP
$1,595 USD
View
Price last confirmed 13 days ago
B
Retailer 16
-
£1,354 GBP
$1,814 USD
View
Retailer 17
-
£1,377 GBP
$1,845 USD
View
Price last confirmed 13 days ago
Most Expensive
B
MOH London
LG573397888 · Oct 29
£1,421 GBP
View
17 more retailers have this diamond
Prices start from £292 GBPSave up to £1,129 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
£292 GBP