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Round|Lab Grown|IGI

3.08ct K SI1 Round Lab Grown Diamond

EX • K/SI1 • IGI LG485136536

Shape and cutting style on the report: Round brilliant

Certificate IGI LG485136536

Diamond specifications and retailer prices

From £3,499 GBP
As of November 5, 2026
Save £4,882 GBP (58%) vs most expensive(unlock to see where)
9 retailers carry this diamond
Most expensive: £8,381 GBP at MOH London · As of November 5, 2026
View at MOH London

About this 3.08ct lab-grown round diamond

This 3.08ct 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 LG485136536 or 485136536. Listed at 9 retailers as of November 5, 2026, with prices from £3,499 to £8,381, a £4,882 spread on the same certified stone. MOH London lists it at £8,381. 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

3.08
Carat
K
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle31.6°
Pavilion angle40.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG485136536
Dimensions9.50 × 9.44 × 5.59 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
9.50 mm9.44 mm3.08 ctK / SI1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG485136536
Side View
Table 58.5%Crown 31.6°Girdle: MED-STKPavilion 40.2°Culet: NoneDepth 59.0%

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: £8,381 GBP|Low: £3,499 GBP|High: £8,516 GBP|Avg: £5,605 GBP|-0.3%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
November 5, 2026
Retailer 4£3,499 GBP
Retailer 2£4,060 GBP
Retailer 6£4,500 GBP
Retailer 3£5,183 GBP
Retailer 5£6,275 GBP
MOH London£8,381 GBP

17 data points across 6 retailers

9 retailers£3,499 GBP to £8,381 GBP

A
Cheapest Retailer
-
£3,499 GBP
A
Retailer 2
-
£3,667 GBP
View
Retailer 3
-
£4,058 GBP
View
Price last confirmed 25 days ago
B+
Retailer 4
-
£4,058 GBP
View
B+
Retailer 5
-
£4,060 GBP
View
B
Retailer 6
-
£5,072 GBP
View
B
Retailer 7
-
£5,183 GBP
View
B
Retailer 8
-
£6,275 GBP
View
Most Expensive
B
MOH London
LG485136536 · Nov 5
£8,381 GBP
View
8 more retailers have this diamond
Prices start from £3,499 GBPSave up to £4,882 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
3.08ct Round
£3,499 GBP