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Round|Lab Grown|IGI

3.45ct G VS2 Round Lab Grown Diamond

ID • G/VS2 • IGI LG646472158

Shape and cutting style on the report: Round brilliant

Certificate IGI LG646472158

Diamond specifications and retailer prices

From £283 GBP
$379 USD
As of October 29, 2026
Save £1,093 GBP (79%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: £1,376 GBP at MOH London · As of October 29, 2026
View at MOH London

About this 3.45ct lab-grown round diamond

This 3.45ct 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 LG646472158 or 646472158. Listed at 15 retailers as of October 29, 2026, with prices from £283 to £1,376, a £1,093 spread on the same certified stone. MOH London lists it at £1,376. 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

3.45
Carat
G
Colour
VS2
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.5°
Pavilion angle40.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG646472158
Dimensions9.72 × 9.70 × 5.98 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
9.72 mm9.70 mm3.45 ctG / VS2
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG646472158
Side View
Table 56.0%Crown 34.5°Girdle: MediumPavilion 40.8°Culet: NoneDepth 61.6%

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: Oct 29
Current: £1,376 GBP|Low: £283 GBP|High: £3,148 GBP|Avg: £1,123 GBP
MOH London
Retailer 2
Retailer 3
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Retailer 12
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Retailer 18
October 30, 2026
Retailer 13£283 GBP
Retailer 7£316 GBP
Retailer 17£350 GBP
Retailer 18£392 GBP
Retailer 14£463 GBP
Retailer 11£505 GBP
Retailer 5£558 GBP
Retailer 15£560 GBP
Retailer 16£594 GBP
Retailer 12£632 GBP
Retailer 3£913 GBP
Retailer 2£983 GBP
Retailer 6£1,126 GBP
Retailer 4£1,311 GBP
MOH London£1,376 GBP
Retailer 8£2,282 GBP
Retailer 10£2,478 GBP
Retailer 9£3,148 GBP

4 data points across 18 retailers

15 retailers£283 GBP to £1,376 GBP

A
Cheapest Retailer
-
£283 GBP
$379 USD
A
Retailer 2
-
£316 GBP
$424 USD
View
A
Retailer 3
-
£350 GBP
$469 USD
View
A
Retailer 4
-
£392 GBP
HK$4,100 HKD
View
A
Retailer 5
-
£463 GBP
$620 USD
View
A
Retailer 6
-
£505 GBP
View
B+
Retailer 7
-
£558 GBP
$748 USD
View
A
Retailer 8
-
£560 GBP
€714 EUR
View
A
Retailer 9
-
£594 GBP
$796 USD
View
A
Retailer 10
-
£632 GBP
View
B+
Retailer 11
-
£913 GBP
$1,223 USD
View
B+
Retailer 12
-
£983 GBP
$1,317 USD
View
B+
Retailer 13
-
£1,126 GBP
$1,509 USD
View
B+
Retailer 14
-
£1,311 GBP
$1,757 USD
View
Most Expensive
B
MOH London
LG646472158 · Oct 29
£1,376 GBP
View
14 more retailers have this diamond
Prices start from £283 GBPSave up to £1,093 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
3.45ct Round
£283 GBP