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Oval|Lab Grown|IGI

1.01ct K VS1 Oval Lab Grown Diamond

ID • K/VS1 • IGI LG407930493

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG407930493

Diamond specifications and retailer prices

From £659 GBP
As of November 5, 2026
Save £2,198 GBP (77%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: £2,857 GBP at MOH London · As of November 5, 2026
View at MOH London

About this 1.01ct lab-grown oval diamond

This 1.01ct lab-grown oval sits in the classic one-carat band, graded K colour (faint-tinted) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG407930493 or 407930493. Listed at 10 retailers as of November 5, 2026, with prices from £659 to £2,857, a £2,198 spread on the same certified stone. MOH London lists it at £2,857. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.01
Carat
K
Colour
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryVery Good
FluorescenceNone
Crown angle34.3°
Pavilion angle39.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG407930493
Dimensions8.08 × 5.85 × 3.35 mm
L/W Ratio1.38
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory grown diamond was created by chemical vapor deposition process (CVD) Type IIa
Top View
8.08 mm5.85 mm1.01 ctK / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateIGI LG407930493
Side View
Table 62.5%Crown 34.3°Girdle: MED-STKPavilion 39.6°Culet: NoneDepth 57.3%

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: £2,857 GBP|Low: £659 GBP|High: £2,899 GBP|Avg: £1,505 GBP|-0.3%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
November 5, 2026
Retailer 5£659 GBP
Retailer 6£764 GBP
Retailer 3£897 GBP
Retailer 7£1,227 GBP
Retailer 2£1,405 GBP
Retailer 4£1,700 GBP
MOH London£2,857 GBP

21 data points across 7 retailers

10 retailers£659 GBP to £2,857 GBP

B+
Cheapest Retailer
-
£659 GBP
B+
Retailer 2
-
£716 GBP
View
Retailer 3
-
£764 GBP
View
Price last confirmed 25 days ago
B+
Retailer 4
-
£764 GBP
View
B
Retailer 5
-
£897 GBP
View
B
Retailer 6
-
£1,227 GBP
View
B
Retailer 7
-
£1,405 GBP
View
B
Retailer 8
-
£1,700 GBP
View
B
Retailer 9
-
£2,149 GBP
View
Most Expensive
B
MOH London
LG407930493 · Nov 5
£2,857 GBP
View
9 more retailers have this diamond
Prices start from £659 GBPSave up to £2,198 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+
1.01ct Oval
£659 GBP