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Round|Lab Grown|IGI

3.10ct K VS1 Round Lab Grown Diamond

ID • K/VS1 • IGI LG577379371

Shape and cutting style on the report: Round brilliant

Certificate IGI LG577379371

Diamond specifications and retailer prices

From £1,279 GBP
As of November 5, 2026
Save £1,790 GBP (58%) vs most expensive(unlock to see where)
7 retailers carry this diamond
Most expensive: £4,676 GBP at MOH London · As of November 1, 2026
View at MOH London

About this 3.1ct lab-grown round diamond

This 3.1ct lab-grown round sits in the three to five carat band, graded K colour (faint-tinted) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG577379371 or 577379371. Listed at 7 retailers as of November 5, 2026, with a 140% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. 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

3.10
Carat
K
Colour
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.2°
Pavilion angle40.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG577379371
Dimensions9.31 × 9.35 × 5.77 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
9.31 mm9.35 mm3.10 ctK / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG577379371
Side View
Table 56.0%Crown 34.2°GirdlePavilion 40.9°Culet: NoneDepth 61.8%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 5
Current: £4,676 GBP|Low: £1,279 GBP|High: £4,738 GBP|Avg: £2,634 GBP|-1.2%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
November 2, 2026
Retailer 5£1,279 GBP
Retailer 7£1,347 GBP
Retailer 3£1,609 GBP
Retailer 2£2,094 GBP
Retailer 6£2,329 GBP
Retailer 4£2,557 GBP
Retailer 8£4,104 GBP
MOH London£4,676 GBP

34 data points across 8 retailers

7 retailers£1,279 GBP to £3,069 GBP

B+
Cheapest Retailer
-
£1,279 GBP
B
Retailer 2
-
£1,609 GBP
View
B
Retailer 3
-
£2,094 GBP
View
B
Retailer 4
-
£2,329 GBP
View
B
Retailer 5
-
£2,557 GBP
View
B
Retailer 6
-
£3,069 GBP
View
Most Expensive
MOH London
LG577379371 · Nov 1
£4,676 GBP
View
Price under review
6 more retailers have this diamond
Prices start from £1,279 GBPSave up to £1,790 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+
3.10ct Round
£1,279 GBP