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Oval|Lab Grown|IGI

1.51ct K VS1 Oval Lab Grown Diamond

ID • K/VS1 • IGI LG451056902

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG451056902

Diamond specifications and retailer prices

From £1,485 GBP
As of November 5, 2026
Save £3,422 GBP (70%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: £4,907 GBP at MOH London · As of November 5, 2026
View at MOH London

About this 1.51ct lab-grown oval diamond

This 1.51ct lab-grown oval sits in the one-and-a-half to two carat band, graded K colour (faint-tinted) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG451056902 or 451056902. Listed at 10 retailers as of November 5, 2026, with prices from £1,485 to £4,907, a £3,422 spread on the same certified stone. MOH London lists it at £4,907. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.51
Carat
K
Colour
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.1°
Pavilion angle41.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG451056902
Dimensions9.27 × 6.52 × 4.04 mm
L/W Ratio1.42
Girdle conditionFaceted
Culet sizePointed
Cert comments
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Top View
9.27 mm6.52 mm1.51 ctK / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG451056902
Side View
Table 59.0%Crown 36.1°Girdle: MED-STKPavilion 41.2°Culet: NoneDepth 62.0%

Caratlytics Score

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

Price History

Last verified: Nov 5
Current: £4,907 GBP|Low: £1,425 GBP|High: £4,979 GBP|Avg: £2,713 GBP|-1.3%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
November 5, 2026
Retailer 6£1,485 GBP
Retailer 10£1,616 GBP
Retailer 7£1,723 GBP
Retailer 4£1,849 GBP
Retailer 11£2,194 GBP
Retailer 9£2,368 GBP
Retailer 8£2,696 GBP
Retailer 5£2,829 GBP
Retailer 2£3,177 GBP
MOH London£4,907 GBP
Retailer 3£4,932 GBP

22 data points across 11 retailers

10 retailers£1,485 GBP to £4,907 GBP

B+
Cheapest Retailer
-
£1,485 GBP
B+
Retailer 2
-
£1,616 GBP
View
Retailer 3
-
£1,723 GBP
View
Price last confirmed 26 days ago
B+
Retailer 4
-
£1,723 GBP
View
B+
Retailer 5
-
£1,849 GBP
View
B
Retailer 6
-
£2,368 GBP
View
B
Retailer 7
-
£2,696 GBP
View
B
Retailer 8
-
£2,829 GBP
View
B
Retailer 9
-
£3,177 GBP
View
Most Expensive
B
MOH London
LG451056902 · Nov 5
£4,907 GBP
View
9 more retailers have this diamond
Prices start from £1,485 GBPSave up to £3,422 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+
1.51ct Oval
£1,485 GBP