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Round|Lab Grown|IGI

3.03ct K SI2 Round Lab Grown Diamond

EX • K/SI2 • IGI LG487196255

Shape and cutting style on the report: Round brilliant

Certificate IGI LG487196255

Diamond specifications and retailer prices

From £6,350 GBP
As of November 5, 2026
Save £7,024 GBP (53%) vs most expensive(unlock to see where)
9 retailers carry this diamond
Most expensive: £13,374 GBP at MOH London · As of November 5, 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 K colour (faint-tinted) and SI2 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG487196255 or 487196255. Listed at 9 retailers as of November 5, 2026, with prices from £6,350 to £13,374, a £7,024 spread on the same certified stone. MOH London lists it at £13,374. SI-grade stones are eye-clean roughly 60 to 70% of the time at this carat range. Check the inclusion plot on the cert and ask the retailer for high-resolution video before buying.

The 4Cs

3.03
Carat
K
Colour
SI2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.4°
Pavilion angle40.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG487196255
Dimensions9.23 × 9.20 × 5.66 mm
L/W Ratio1.00
Girdle conditionFaceted
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
9.23 mm9.20 mm3.03 ctK / SI2
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG487196255
Side View
Table 60.0%Crown 36.4°Girdle: MED-STKPavilion 40.2°Culet: NoneDepth 61.4%

Caratlytics Score

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B
Good
Decent quality, room for better deals
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 5
Current: £13,374 GBP|Low: £6,095 GBP|High: £16,891 GBP|Avg: £9,321 GBP|-0.3%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
November 5, 2026
Retailer 4£6,350 GBP
Retailer 7£6,603 GBP
Retailer 5£7,365 GBP
Retailer 9£7,514 GBP
Retailer 3£8,193 GBP
Retailer 8£8,283 GBP
Retailer 6£8,521 GBP
Retailer 2£9,580 GBP
MOH London£13,374 GBP
Retailer 10£16,891 GBP

40 data points across 10 retailers

9 retailers£6,350 GBP to £13,374 GBP

B
Cheapest Retailer
-
£6,350 GBP
B
Retailer 2
-
£6,603 GBP
View
B
Retailer 3
-
£7,365 GBP
View
Retailer 4
-
£7,365 GBP
View
Price last confirmed 25 days ago
B
Retailer 5
-
£8,193 GBP
View
B
Retailer 6
-
£8,283 GBP
View
B
Retailer 7
-
£8,521 GBP
View
B
Retailer 8
-
£9,580 GBP
View
Most Expensive
B
MOH London
LG487196255 · Nov 5
£13,374 GBP
View
8 more retailers have this diamond
Prices start from £6,350 GBPSave up to £7,024 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.

B
3.03ct Round
£6,350 GBP