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Round|Lab Grown|IGI

3.01ct K SI1 Round Lab Grown Diamond

EX • K/SI1 • IGI LG499190401

Shape and cutting style on the report: Round brilliant

Certificate IGI LG499190401

Diamond specifications and retailer prices

From £3,423 GBP
As of November 5, 2026
Save £4,776 GBP (58%) vs most expensive(unlock to see where)
9 retailers carry this diamond
Most expensive: £8,199 GBP at MOH London · As of November 5, 2026
View at MOH London

About this 3.01ct lab-grown round diamond

This 3.01ct lab-grown round sits in the three to five carat band, graded K colour (faint-tinted) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG499190401 or 499190401. Listed at 9 retailers as of November 5, 2026, with prices from £3,423 to £8,199, a £4,776 spread on the same certified stone. MOH London lists it at £8,199. 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

3.01
Carat
K
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.2°
Pavilion angle40.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG499190401
Dimensions9.14 × 9.10 × 5.78 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
9.14 mm9.10 mm3.01 ctK / SI1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG499190401
Side View
Table 53.5%Crown 36.2°Girdle: MED-STKPavilion 40.1°Culet: NoneDepth 63.4%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 5
Current: £8,199 GBP|Low: £3,423 GBP|High: £8,331 GBP|Avg: £5,484 GBP|-0.3%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
November 5, 2026
Retailer 4£3,423 GBP
Retailer 2£3,971 GBP
Retailer 6£4,405 GBP
Retailer 3£5,071 GBP
Retailer 5£6,140 GBP
MOH London£8,199 GBP

17 data points across 6 retailers

9 retailers£3,423 GBP to £8,199 GBP

A
Cheapest Retailer
-
£3,423 GBP
A
Retailer 2
-
£3,587 GBP
View
B+
Retailer 3
-
£3,971 GBP
View
Retailer 4
-
£3,971 GBP
View
Price last confirmed 25 days ago
B+
Retailer 5
-
£3,971 GBP
View
B
Retailer 6
-
£4,961 GBP
View
B
Retailer 7
-
£5,071 GBP
View
B
Retailer 8
-
£6,140 GBP
View
Most Expensive
B
MOH London
LG499190401 · Nov 5
£8,199 GBP
View
8 more retailers have this diamond
Prices start from £3,423 GBPSave up to £4,776 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
3.01ct Round
£3,423 GBP