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Round|Lab Grown|IGI

3.03ct I VS1 Round Lab Grown Diamond

ID • I/VS1 • IGI LG649405984

Shape and cutting style on the report: Round brilliant

Certificate IGI LG649405984

Diamond specifications and retailer prices

From £578 GBP
$775 USD
As of October 30, 2026
Save £909 GBP (61%) vs most expensive(unlock to see where)
7 retailers carry this diamond
Most expensive: £1,487 GBP at MOH London · As of October 29, 2026
View at MOH London

About this 3.03ct lab-grown round diamond

This 3.03ct lab-grown round sits in the three to five carat band, graded I colour (near-colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG649405984 or 649405984. Listed at 7 retailers as of October 29, 2026, with prices from £578 to £1,487, a £909 spread on the same certified stone. MOH London lists it at £1,487. 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

3.03
Carat
I
Colour
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.8°
Pavilion angle41.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG649405984
Dimensions9.28 × 9.22 × 5.77 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
9.28 mm9.22 mm3.03 ctI / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG649405984
Side View
Table 57.0%Crown 35.8°Girdle: MediumPavilion 41.1°Culet: NoneDepth 62.4%

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 30
Current: £1,487 GBP|Low: £470 GBP|High: £1,497 GBP|Avg: £925 GBP|+0.6%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
October 29, 2026
Retailer 7£470 GBP
Retailer 3£578 GBP
Retailer 4£592 GBP
Retailer 5£603 GBP
Retailer 2£1,310 GBP
Retailer 6£1,407 GBP
MOH London£1,487 GBP

13 data points across 7 retailers

7 retailers£578 GBP to £1,487 GBP

B+
Cheapest Retailer
-
£578 GBP
$775 USD
A
Retailer 2
-
£592 GBP
$793 USD
View
A
Retailer 3
-
£603 GBP
$808 USD
View
B
Retailer 4
-
£1,310 GBP
$1,755 USD
View
Retailer 5
-
£1,321 GBP
$1,770 USD
View
Price last confirmed 26 days ago
B
Retailer 6
-
£1,407 GBP
$1,885 USD
View
Most Expensive
B
MOH London
LG649405984 · Oct 29
£1,487 GBP
View
6 more retailers have this diamond
Prices start from £578 GBPSave up to £909 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
3.03ct Round
£578 GBP