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Round|Lab Grown|IGI

3.00ct K SI2 Round Lab Grown Diamond

EX • K/SI2 • IGI LG485136522

Shape and cutting style on the report: Round brilliant

Certificate IGI LG485136522

Diamond specifications and retailer prices

From £6,288 GBP
As of November 5, 2026
Save £6,956 GBP (53%) vs most expensive(unlock to see where)
8 retailers carry this diamond
Most expensive: £13,244 GBP at MOH London · As of November 5, 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 K colour (faint-tinted) and SI2 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG485136522 or 485136522. Listed at 8 retailers as of November 5, 2026, with prices from £6,288 to £13,244, a £6,956 spread on the same certified stone. MOH London lists it at £13,244. 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

3.00
Carat
K
Colour
SI2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
Crown angle34.7°
Pavilion angle40.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG485136522
Dimensions9.30 × 9.23 × 5.55 mm
L/W Ratio1.01
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
9.30 mm9.23 mm3.00 ctK / SI2
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateIGI LG485136522
Side View
Table 62.0%Crown 34.7°Girdle: MED-STKPavilion 40.3°Culet: NoneDepth 59.8%

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: £13,244 GBP|Low: £6,037 GBP|High: £16,731 GBP|Avg: £9,207 GBP|-0.3%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
November 5, 2026
Retailer 3£6,288 GBP
Retailer 6£6,540 GBP
Retailer 4£7,294 GBP
Retailer 8£7,443 GBP
Retailer 2£8,113 GBP
Retailer 7£8,203 GBP
Retailer 5£8,439 GBP
MOH London£13,244 GBP
Retailer 9£16,731 GBP

16 data points across 9 retailers

8 retailers£6,288 GBP to £13,244 GBP

B
Cheapest Retailer
-
£6,288 GBP
B
Retailer 2
-
£6,540 GBP
View
B
Retailer 3
-
£7,294 GBP
View
Retailer 4
-
£7,294 GBP
View
Price last confirmed 25 days ago
B
Retailer 5
-
£8,113 GBP
View
B
Retailer 6
-
£8,203 GBP
View
B
Retailer 7
-
£8,439 GBP
View
Most Expensive
C
MOH London
LG485136522 · Nov 5
£13,244 GBP
View
7 more retailers have this diamond
Prices start from £6,288 GBPSave up to £6,956 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
3.00ct Round
£6,288 GBP