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Round|Lab Grown|IGI

3.00ct G VS1 Round Lab Grown Diamond

ID • G/VS1 • IGI LG634420663

Shape and cutting style on the report: Round brilliant

Certificate IGI LG634420663

Diamond specifications and retailer prices

From £431 GBP
$578 USD
As of November 1, 2026
Save £1,891 GBP (81%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: £2,322 GBP at MOH London · As of November 1, 2026
View at MOH London

About this 3ct lab-grown round diamond

This 3ct lab-grown round sits in the three to five carat band, graded G colour (near-colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG634420663 or 634420663. Listed at 17 retailers as of November 1, 2026, with prices from £431 to £2,322, a £1,891 spread on the same certified stone. MOH London lists it at £2,322. 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

3.00
Carat
G
Colour
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.4°
Pavilion angle41.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG634420663
Dimensions9.13 × 9.07 × 5.75 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
9.13 mm9.07 mm3.00 ctG / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG634420663
Side View
Table 59.0%Crown 36.4°Girdle: MediumPavilion 41.4°Culet: NoneDepth 63.2%

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: Nov 1
Current: £2,322 GBP|Low: £431 GBP|High: £2,504 GBP|Avg: £1,087 GBP|+1.4%
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 1, 2026
Retailer 3£431 GBP
Retailer 4£483 GBP
Retailer 11£483 GBP
Retailer 6£535 GBP
Retailer 14£541 GBP
Retailer 5£634 GBP
Retailer 12£738 GBP
Retailer 16£793 GBP
Retailer 2£833 GBP
Retailer 13£1,129 GBP
Retailer 7£1,162 GBP
Retailer 10£1,327 GBP
Retailer 9£1,407 GBP
Retailer 8£1,722 GBP
Retailer 15£1,732 GBP
MOH London£2,322 GBP

39 data points across 16 retailers

17 retailers£431 GBP to £2,322 GBP

A
Cheapest Retailer
-
£431 GBP
$578 USD
A
Retailer 2
-
£483 GBP
$647 USD
View
Final sale: no returns
A
Retailer 3
-
£483 GBP
$647 USD
View
A
Retailer 4
-
£535 GBP
$717 USD
View
B+
Retailer 5
-
£541 GBP
$725 USD
View
Retailer 6
-
£571 GBP
$765 USD
View
Price last confirmed 16 days ago
A
Retailer 7
-
£634 GBP
$850 USD
View
A
Retailer 8
-
£738 GBP
$989 USD
View
A
Retailer 9
-
£793 GBP
$1,062 USD
View
A
Retailer 10
-
£833 GBP
View
B+
Retailer 11
-
£1,129 GBP
A$2,328 AUD
View
B+
Retailer 12
-
£1,162 GBP
ZAR 25,146 ZAR
View
B+
Retailer 13
-
£1,327 GBP
$1,778 USD
View
B
Retailer 14
-
£1,407 GBP
$1,885 USD
View
B
Retailer 15
-
£1,722 GBP
$2,307 USD
View
B
Retailer 16
-
£1,732 GBP
$2,321 USD
View
Most Expensive
B
MOH London
LG634420663 · Nov 1
£2,322 GBP
View
16 more retailers have this diamond
Prices start from £431 GBPSave up to £1,891 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
3.00ct Round
£431 GBP